WO2013080560A1 - 無線モジュール - Google Patents
無線モジュール Download PDFInfo
- Publication number
- WO2013080560A1 WO2013080560A1 PCT/JP2012/007682 JP2012007682W WO2013080560A1 WO 2013080560 A1 WO2013080560 A1 WO 2013080560A1 JP 2012007682 W JP2012007682 W JP 2012007682W WO 2013080560 A1 WO2013080560 A1 WO 2013080560A1
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- Prior art keywords
- substrate
- wireless module
- connection member
- antenna
- ground
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/025—Impedance arrangements, e.g. impedance matching, reduction of parasitic impedance
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
- H01P5/022—Transitions between lines of the same kind and shape, but with different dimensions
- H01P5/028—Transitions between lines of the same kind and shape, but with different dimensions between strip lines
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/025—Impedance arrangements, e.g. impedance matching, reduction of parasitic impedance
- H05K1/0253—Impedance adaptations of transmission lines by special lay-out of power planes, e.g. providing openings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0296—Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295
- H05K1/0298—Multilayer circuits
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- H10W44/20—
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- H10W90/00—
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- H10W90/401—
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- H10W90/701—
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0215—Grounding of printed circuits by connection to external grounding means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
- H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
- H05K1/0219—Printed shielding conductors for shielding around or between signal conductors, e.g. coplanar or coaxial printed shielding conductors
- H05K1/0222—Printed shielding conductors for shielding around or between signal conductors, e.g. coplanar or coaxial printed shielding conductors for shielding around a single via or around a group of vias, e.g. coaxial vias or vias surrounded by a grounded via fence
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/0243—Printed circuits associated with mounted high frequency components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/04—Assemblies of printed circuits
- H05K2201/042—Stacked spaced PCBs; Planar parts of folded flexible circuits having mounted components in between or spaced from each other
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10098—Components for radio transmission, e.g. radio frequency identification [RFID] tag, printed or non-printed antennas
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/13—Moulding and encapsulation; Deposition techniques; Protective layers
- H05K2203/1305—Moulding and encapsulation
- H05K2203/1316—Moulded encapsulation of mounted components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
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- H10W44/212—
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- H10W44/248—
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- H10W90/724—
Definitions
- the present disclosure relates to a wireless module in which a semiconductor element or the like is mounted on a substrate.
- Patent Document 1 discloses a wireless module using a semiconductor device on which an antenna and a circuit are mounted.
- an antenna is formed on one surface side of a silicon substrate, a semiconductor element which is an active element is mounted on the other surface side, and the antenna and the semiconductor element are through vias penetrating the silicon substrate. It is electrically connected.
- a passive element is mounted on one side of the wiring substrate formed separately from the silicon substrate, and the wiring substrate and the silicon substrate are disposed between the one surface side of the wiring substrate and the other surface side of the silicon substrate. It is the structure electrically connected via the provided connection member.
- the present disclosure has been made in view of the above-described circumstances, and an object thereof is to suppress loss due to impedance discontinuity and radiation when configuring a wireless module used in a high frequency band.
- a wireless module includes a first substrate on which a mounting component of a wireless circuit is mounted, a second substrate arranged to be stacked on the first substrate, and a space between the first substrate and the second substrate.
- FIGS. 1 to (C) are diagrams showing a configuration of a wireless module according to the first embodiment of the present disclosure
- (A) is a cross-sectional view
- (B) is a plan view seen from above the second substrate
- C) is a plan view seen from above with the second substrate removed
- (B) is a figure showing the composition of the wireless module concerning modification 1 of a 1st embodiment
- (A) is the top view seen from the top of the 2nd substrate
- (B) is the 2nd substrate Top view from above with no (A)
- (B) is a figure showing the composition of the radio module concerning modification 2 of a 1st embodiment
- (A) is a sectional view and (B) is a state where a 2nd board is removed and it sees from the top Plan view
- substrate is
- an active element and a passive element are mounted on a first substrate, a second substrate on which an antenna or the like is formed is disposed opposite to each other, and two substrates are electrically connected by a connection member.
- passive elements such as semiconductor elements (ICs etc.) and chip capacitors and chip resistors are mounted on the first substrate, and connecting members such as Cu (copper) core balls plated with solder are mounted on the second substrate.
- the solder of the connection member is melted and electrically connected to the first substrate, and then the embedded layer in which the parts between the substrates exist is molded resin Fill in and seal with resin.
- the connecting member such as Cu core ball and the wiring pads of the first substrate and the second substrate on which this is mounted are large with respect to the wavelength, and impedance loss and radiation loss increase .
- the dielectric thickness (the thickness of the insulating member of the substrate) between the signal line layer and the ground (GND) layer on the substrate is 50 ⁇ m and the dielectric constant is about 3 to 4, the input / output impedance of the high frequency IC
- the wiring width of the commonly used 50 ⁇ impedance is approximately 50 ⁇ m or narrower.
- the diameter of the Cu core ball is approximately 250 ⁇ m. Requires a size of 250 ⁇ m or more. This is five or more times the wiring width of 50 ⁇ m, the real component of the impedance becomes small, and the imaginary component becomes large capacitive, so that impedance discontinuities and radiation losses occur with the wiring.
- the present disclosure exemplifies a wireless module capable of suppressing impedance discontinuity and loss due to radiation when configuring a wireless module used in a high frequency band.
- the first embodiment shows a configuration example in which a Cu core ball is used as a connecting member for electrically connecting the substrates.
- the Cu core ball and the wiring pad of the substrate mounting this become larger with respect to the wavelength . That is, since the Cu core ball and the wiring pad of the substrate become large relative to the wiring width of the 50 ⁇ impedance on the substrate, the loss due to impedance discontinuity and radiation becomes large.
- the height of a component mounted in the embedded layer between the substrates is, for example, 200 ⁇ m
- the diameter of the Cu core ball is about 250 ⁇ m
- the wiring pad on the substrate on which this is mounted needs a size of 250 ⁇ m or more.
- the dielectric thickness (the thickness of the insulating member of the substrate) between the signal line layer and the ground (GND) layer on the substrate is 50 ⁇ m and the dielectric constant is about 3 to 4
- the input / output impedance of the high frequency IC The wiring width of the 50 ⁇ impedance generally used as is approximately 50 ⁇ m or narrower. Therefore, the size (about 250 ⁇ m) of the Cu core ball and the wiring pad of the substrate is larger than the wiring width (about 50 ⁇ m) of the substrate, resulting in impedance mismatch.
- the wireless module is configured such that a 250 ⁇ m Cu core ball conductor operates as a 50 ⁇ impedance conductor, and impedance loss and loss due to radiation are suppressed.
- the impedance of the conductor is determined by the distance to the ground and the dielectric constant of the dielectric present therebetween. Therefore, in order to set the 250 ⁇ m conductor serving as the connecting member to 50 ⁇ , the conductive member serving as the ground may be provided, for example, at a distance of 250 ⁇ m from the connecting member. The appropriate distance between the connection member and the conductive member varies depending on the size of the connection member and the dielectric constant between the members.
- FIGS. 1A to 1C are diagrams showing the configuration of a wireless module according to a first embodiment of the present disclosure, in which FIG. 1A is a cross-sectional view and FIG. 1B is a top view of a second substrate. A plan view, and (C) is a plan view seen from above with the second substrate removed.
- the wireless module of the present embodiment has a first substrate 11 to be a main substrate and a second substrate 12 to be a sub-substrate.
- the first substrate 11 and the second substrate 12 are formed of, for example, a dielectric insulating material having a dielectric constant of about 3 to 4.
- the first substrate 11 is provided with a wiring pattern 15 of copper foil or the like on one side, and as a mounting component of a wireless circuit, a semiconductor element (IC or the like) 13 as an active element and a passive element 14 such as a chip capacitor or chip resistor. And a radio circuit is formed. Further, the first substrate 11 is provided with a wiring pad 19 for electrically connecting the connection member 18.
- the second substrate 12 has a ground pattern 16 of copper foil or the like and a circular wiring pad 17 formed on one side, and a connection member 18 of a Cu core ball solder-plated on the wiring pad 17 is mounted. ing.
- the second substrate 12 has a pad-shaped antenna 20 made of copper foil, for example, formed on the other surface side, and is electrically connected to the wiring pad 17 on the one surface side by the through via 21.
- connection member 18 serves as a signal transmission path (signal line) between the wireless circuit of the first substrate 11 and the antenna 20 of the second substrate 12. Further, the connection member 18 is provided to form an interval at which mounting components such as the semiconductor element 13 can be mounted between the first substrate 11 and the second substrate 12. Then, for example, a sealing resin 22 of mold resin is filled and sealed in the embedded layer in which the semiconductor element 13 between the first substrate 11 and the second substrate 12 and the passive element 14 and the like exist.
- a conductive member 23 for impedance adjustment which serves as an end face electrode, is provided on the side of the connection member 18 at a predetermined distance from the connection member 18.
- the conductive member 23 is formed by applying, for example, conductive plating to the side end surface of the wireless module.
- the conductive member 23 may be various members such as a thin film and a flat member as long as it is conductive.
- the conductive member 23 is electrically connected to the ground pattern 24 formed on the first substrate 11 and functions as a ground electrode.
- a shield technique performed as an EMC countermeasure may be applied.
- the connecting member 18 when the diameter of the connecting member 18 by the Cu core ball is 250 ⁇ m, the connecting member 18 is disposed at a position where the distance to the conductive member 23 is about 250 ⁇ m on the module end face side provided with the conductive member 23.
- a transmission line having a vertical structure in the thickness direction of the substrate can be formed between the connection member 18 and the ground electrode formed by the conductive member 23 formed on the module end surface. This vertical transmission line can reduce parasitic capacitance components between the connection member 18 and the wiring of the substrate.
- connection member 18 and the conductive member 23 are disposed such that the diameter a of the connection member 18 and the distance b between the connection member 18 and the conductive member 23 are substantially equal.
- the conductive member 23 is disposed such that the signal path of the connection member 18 has a predetermined impedance (50 ⁇ in this example).
- the diameter a of the connection member 18 is larger than the wiring width d of the first substrate 11 and the second substrate 12, the position of the appropriate distance b
- the connection member 18 can be viewed as a conductor of 50 ⁇ impedance.
- the impedance of the connection member 18 for electrically connecting the substrates is made to be the same as the substrate side wiring, and between the connection member 18 and the wirings of the first substrate 11 and the second substrate 12. Impedance matching, and can suppress losses due to impedance discontinuities and radiation.
- FIGS. 2A and 2B are views showing the configuration of a wireless module according to the first modification of the first embodiment
- FIG. 2A is a plan view seen from above the second substrate
- FIG. I is a plan view seen from above with the second substrate removed.
- Cu core balls for ground are disposed as the conductive members 25 on both sides of the signal Cu core balls provided as the connection member 18.
- the conductive member 25 made of a ground Cu core ball may be provided only on one side of the connection member 18.
- the other configuration is the same as that of the first embodiment shown in FIG. 1A, and the description will be omitted.
- the conductive member 25 is connected to the wiring pad 26 provided on the first substrate 11 and is electrically connected to the conductive member 23 as a ground electrode through the ground pattern 27.
- the conductive member 25 may not be connected to the conductive member 23. It is more effective to connect the conductive member 25 to the conductive member 23.
- a Cu core ball for ground is provided around the Cu core ball, and the connecting member 18 serving as a signal path between the substrates is concavely covered by the conductive members 23 and 25 serving as the ground. There is. By this, the radiation from the connection member 18 is reduced, and the loss at the time of signal transmission can be further suppressed.
- FIGS. 3A and 3B are diagrams showing the configuration of a wireless module according to the second modification of the first embodiment, where FIG. 3A is a cross-sectional view, and FIG. 3B is a state in which the second substrate is removed. Is a plan view seen from above.
- the second modification of the first embodiment is a modification of the first modification described above except that the connection configuration between the wiring pad 26 connecting the conductive member 25 with the ground Cu core ball and the ground pattern 24 is changed. .
- the ground pattern 24 of the first substrate 11 and the conductive member 23 as a ground electrode are connected at the end face of the first substrate 11.
- the ground wiring pad 26 on the first substrate 11 is connected to the conductive member 23 via the ground pattern 27.
- the via 101 connecting the wiring pad 26 and the ground pattern 24 is provided in the first substrate 11.
- a plurality of vias 101 are provided for the wiring pad 26 and are electrically connected to the ground pattern 24 by the plurality of vias 101.
- FIG. 4 is a view showing the configuration of the wireless module according to the third modification of the first embodiment, and is a plan view seen from above with the second substrate removed.
- the third modification of the first embodiment is a modification of the second modification described above in the configuration of the wiring pad 26.
- the wiring pad 26 and the conductive member 23 are connected by the line of the ground pattern 27.
- the ground pattern 102 having a wide planar pattern is provided in the first substrate 11 and includes the functions of the wiring pad 26 and the ground pattern 27.
- the ground pattern 102 is connected to a conductive member 25 made of a Cu core ball for ground and a conductive member 23 which is a ground electrode.
- the ground pattern 102 is shaped so as to surround the wiring pad 19 connecting the connection member 18 made of Cu core ball for signal.
- the ground potential can be stabilized and the shield effect of the signal line can be enhanced by providing the ground pattern 102 having a planar pattern instead of the wiring pad 26 for the ground.
- FIG. 5 is a view showing the configuration of the wireless module according to the fourth modification of the first embodiment, and is a plan view seen from above the second substrate.
- the fourth modification of the first embodiment is a modification of the first embodiment and the first modification thereof described above in the arrangement configuration of the through vias 21 connecting the antenna 20.
- the connection member 18 is connected to the antenna 20 through the wiring pad 17 and the through via 21, and a signal is transmitted from the connection member 18 to the antenna 20. ing.
- the through vias 21 are provided offset to the position away from the wiring pad 17, and the connection member side wiring 111 is extended from the wiring pad 17 for connection
- the member-side wire 111 is connected to the through via 21.
- a pad-like antenna 20 is connected to the through via 21 on the other surface side of the second substrate 12.
- connection member 18 for a signal through which a high frequency signal such as a millimeter wave band of 60 GHz is transmitted is not positioned on the through via 21.
- FIG. 6 is a view showing the configuration of the wireless module according to the fifth modification of the first embodiment, and is a plan view seen from above the second substrate.
- the fifth modification of the first embodiment is a modification of the fourth modification described above in which the configuration around the through via 21 is changed.
- an arc-shaped ground pattern 112 is provided on the second substrate 12 so as to surround the periphery on the opposite surface side of the signal connection member 18 and the wiring pad 17.
- the ground pattern 112 is further formed in a substantially C shape so as to surround the through via 21.
- a plurality of vias 113 are provided in the ground pattern 112 and electrically connected to the ground pattern of the second substrate 12 by the vias 113.
- the ground pattern 112 is provided to surround the wiring pad 17 and the through via 21 through which signals are transmitted, whereby the leakage of the electromagnetic field can be reduced.
- the ground pattern and the signal line are set at a specific interval, for example, 100 ⁇ m to 200 ⁇ m, it becomes possible to measure the signal with the high frequency probe.
- Second Embodiment In the first embodiment, the ground electrode of the end face electrode and / or the Cu core ball for the ground are provided around the connection member by the Cu core ball for signal, and the structure of adjusting the impedance of the connection member is shown.
- 2nd Embodiment shows the structural example which has arrange
- FIGS. 7A and 7B are diagrams showing the configuration of a wireless module according to the second embodiment of the present disclosure, where FIG. 7A is a plan view of the first substrate viewed from above, and FIG. FIG.
- a conductive member 31 made of a square frame-shaped metal material is disposed so as to surround the periphery of a signal Cu core ball provided as the connection member 18.
- the conductive member 31 is mounted on the first substrate 11 or the second substrate 12.
- the conductive member 31 is mounted on the second substrate 12 and electrically connected to the ground pattern 16 of the second substrate 12.
- the conductive member 31 is not limited to one formed entirely of a metal material, and the outer surface of a member such as a resin may be coated with a conductor such as metal plating.
- the other configuration is the same as that of the first embodiment shown in FIG. 1A, and the description will be omitted.
- the conductive member 31 relative to the connecting member 18 is such that the diameter a of the connecting member 18 and the distance b between the connecting member 18 and the conductive member 31 are substantially equal. Place.
- the conductive member 31 is formed and arranged so that the distance between the inner wall of the conductive member 31 and the connecting member 18 is about 250 ⁇ m.
- the impedance of the connection member 18 can be set to, for example, 50 ⁇ , which is similar to that of the substrate side wiring.
- the conductive member 31 By mounting the frame-shaped conductive member 31 as a component, the conductive member 31 functions as a ground for the connection member 18 at the center serving as the signal line, and the signal line between the substrates has a transmission path configuration close to a coaxial structure. As shown in FIG. 7B, the conductive member 31 is provided with a notch 32 in a portion through which the wiring pattern 15 from the wiring pad 19 on which the connection member 18 is mounted passes so as not to interfere with the wiring. And the coupling with the signal line can be reduced.
- impedance matching can be achieved between the connection member 18 and the wiring of the first substrate 11 and the second substrate 12, and the impedance can be obtained. Discontinuity and radiation loss can be suppressed.
- FIG. 8 is a plan view showing the configuration of a wireless module according to a modification of the second embodiment.
- the modification of the second embodiment is provided with a frame-shaped conductive member 35 surrounding a wide portion on the substrate of the wireless module.
- the conductive member 35 of the modification is configured to surround the connection member 18 and to surround components such as the semiconductor element 13 and the passive element 14 mounted on the substrate.
- the conductive member 35 is mounted on the first substrate 11 or the second substrate 12 and electrically connected to the ground pattern.
- the heat radiation effect and the EMC effect can be enhanced by the conductive member 35 surrounding the components on the substrate together with the connection member 18.
- the third embodiment shows a configuration example in which the configuration of the connection member itself is changed to be a component having a different structure.
- the diameter of the Cu core ball is determined by the height of the components disposed in the embedded layer between the substrates.
- the entire Cu core ball is a uniform conductor, and the signal passes through all of the conductors, an impedance discontinuity occurs due to the difference in dimension with the wiring on the substrate.
- the strength as a module in which the first substrate and the second substrate are bonded is maintained by the sealing resin filled in the embedded layer. It is conduction between the substrate and the second substrate.
- the reason why the Cu core ball is spherical is that the connecting member can be arranged at a predetermined position without regard to the direction of the connecting member, but it is possible to mount components having different aspect ratios on the substrate in a desired direction It is generally performed and is not an essential condition for realizing a laminated structure of a plurality of substrates.
- FIG. 9 is a perspective view showing a configuration example 1 of a wireless module according to the third embodiment of the present disclosure.
- Configuration example 1 is an example in which a cylindrical connecting member 41 is provided instead of the Cu core ball.
- the connecting member 41 is formed in a cylindrical shape, has a cylindrical signal line conductor 42 serving as a signal line at the center, and the ground conductor 44 is circularly wound around the outer periphery of the cylinder via the circular insulating member 43.
- the connection member 41 is a coaxial component for signal transmission.
- the ground conductor 44 functions as a conductive member that adjusts the impedance of the signal line conductor 42. This coaxial structure can reduce parasitic capacitance components between the connection member 41 and the wiring of the substrate.
- the diameter a1 of the signal line conductor 42 and the distance b1 between the signal line conductor 42 and the ground conductor 44 are configured to be substantially equal.
- the connection member 41 is provided between the first substrate and the second substrate in order to form, for example, an interval at which a mounting component of a semiconductor element can be mounted.
- the connection member 41 is not illustrated, in a state of being mounted on a substrate, the signal line conductor 42 is connected to the wiring pattern of the substrate, and the ground conductor 44 is connected to the ground pattern of the substrate.
- the other configuration is the same as that of the first embodiment shown in FIG. 1A, and the description will be omitted.
- the wiring pattern and the ground pattern are formed on the first substrate so that the connection member 41 of the coaxial component is connected to the lead wire from the semiconductor element. . That is, on the first substrate, the wiring pattern of the signal line corresponding to the signal line conductor 42 in the center of the connection member 41 and the ground pattern corresponding to the ground conductor 44 are formed around the wiring pattern.
- a notch 45 may be provided in the ground conductor 44 formed on the outer peripheral portion of the connection member 41 so that the signal line of the substrate and the ground conductor 44 of the connection member 41 of the coaxial component do not contact.
- FIG. 10 is a perspective view showing a configuration example 2 of the wireless module according to the third embodiment of the present disclosure.
- Configuration example 2 is an example in which a prismatic connecting member 51 is provided instead of the Cu core ball.
- connection member 51 is formed in a prismatic shape, and a plurality of (9 in the illustrated example) conductive vias are provided so as to penetrate the opposing end surfaces (upper and lower surfaces in the drawing) of the insulating member 53.
- a signal via 52 through which a signal passes is formed in the center, and eight ground vias 54 are formed so as to surround the periphery of the signal via 52.
- the diameter a2 of the signal via 52 and the distance b2 between the signal via 52 and the ground via 54 are substantially equal.
- the configuration of the connection member 51 forms a pseudo coaxial transmission line.
- the ground vias 54 function as conductive members for adjusting the impedance of the signal vias 52.
- connection member can be made into a rectangular parallelepiped, so that component pickup at the time of mounting becomes easy. Further, by providing the electrode 55 for position adjustment on the side surface of the rectangular parallelepiped of the connection member 51, the positional deviation can be reduced by the auto alignment effect from the side at the time of solder mounting.
- FIG. 11 is a perspective view showing a configuration example 3 of the wireless module according to the third embodiment of the present disclosure.
- Configuration example 3 is an example in which a connecting member 61 having a prismatic shape and a signal line portion exposed is provided instead of the Cu core ball.
- connection member 61 has a shape obtained by cutting the connection member 41 of Structural Example 1 into a prismatic shape and cutting it into approximately half. That is, it has a prismatic signal line conductor 62 penetrating the opposite end face (upper and lower surfaces in the figure) at the center of one side face, and the signal line conductor 62 at the outer periphery of the prism is present via the insulating member 63.
- the ground conductor 64 is provided on three surfaces other than the target surface. One side of the signal line conductor 62 is exposed to the outside.
- the width a3 of the signal line conductor 62 and the distance b3 between the signal line conductor 62 and the ground conductor 64 are configured to be substantially equal.
- the ground conductor 64 functions as a conductive member for adjusting the impedance of the signal line conductor 62.
- connection member 61 When the connection member 61 is mounted on the second substrate 12, the signal line conductor 62 is connected to the wiring pattern 28 of the substrate, and the ground conductor 64 is connected to the ground pattern 29 of the substrate.
- the wiring pattern 28 on the second substrate 12 side is soldered not to the signal line conductor 62 on the bottom surface of the connection member 61 but to the signal line conductor 62 on the side surface of the connection member 61 This makes it easy to check connection failure.
- the connection of the ground conductor 64 can facilitate the alignment of the connection member 61.
- the electrode 65 for position adjustment on the side surface the positional deviation can be reduced by the auto alignment effect from the side at the time of solder mounting.
- FIG. 12 is a perspective view showing a configuration example 4 of the wireless module according to the third embodiment of the present disclosure.
- the configuration example 4 is an example in which a connecting member 71 having a semi-cylindrical shape and a signal line portion exposed is provided instead of the Cu core ball.
- the connecting member 71 has a shape obtained by cutting the cylindrical connecting member 41 of Structural Example 1 into substantially half. That is, a semi-cylindrical signal line conductor 72 penetrating through the opposing end faces (upper and lower faces in the drawing) is provided at the center of the side face of the plane, and the side face of the semicircular circular arc at the outer peripheral portion via the insulating member 73.
- the ground conductor 74 is provided on the One side of the signal line conductor 72 is exposed to the outside.
- the width a4 of the signal line conductor 72 and the distance b4 between the signal line conductor 72 and the ground conductor 74 are configured to be substantially equal.
- the ground conductor 74 functions as a conductive member for adjusting the impedance of the signal line conductor 72.
- connection member 71 mounted on the second substrate 12 the signal line conductor 72 is connected to the wiring pattern 28 of the substrate, and the ground conductor 74 is connected to the ground pattern 29 of the substrate.
- the wiring pattern 28 on the second substrate 12 side is not the signal line conductor 72 on the bottom surface portion of the connection member 71 but the signal on the side surface of the plane of the connection member 71 due to the configuration in which the signal line conductor 72 is exposed. Since the solder connection is made with the wire conductor 72, it becomes easy to check the connection failure. Further, the connection of the ground conductor 74 facilitates the alignment of the connection member 61. In addition, by providing the electrode 75 for position adjustment on the side surface, the positional deviation can be reduced by the auto alignment effect from the side at the time of solder mounting.
- connection member having a ground conductor and forming a coaxial transmission path is provided instead of the Cu core ball, thereby forming a space for arranging mounting components between the substrates. And impedance matching between the connection member and the wiring of the substrate. This makes it possible to suppress impedance discontinuities and losses due to radiation.
- an imaging device in which a semiconductor chip in which a high frequency circuit having a transmitter for generating a high frequency signal and a patch antenna are formed on one surface of a semiconductor substrate is mounted on a MMIC (Monolithic Microwave Integrated Circuits) substrate.
- MMIC Monitoring Microwave Integrated Circuits
- the patch antenna and the high frequency circuit often have different lengths (heights) in the substrate thickness direction.
- the tip of the tool (suction device) to be picked up interferes with the electronic component (for example, high frequency circuit including transmitter)
- the present disclosure exemplifies a wireless module capable of easily picking up the wireless module from the antenna mounting surface side even when the electronic component is mounted on the antenna mounting surface of the wireless module.
- FIG. 13 is a side cross-sectional view showing a configuration example of a wireless module in the fourth embodiment of the present disclosure.
- the module substrate 310 is a multilayer substrate, and performs wiring and the like of an IC.
- On the first surface 211 (upper surface in FIG. 13) of the module substrate 310 electronic components such as an antenna unit 320 and Tcxo 330 (temperature compensated crystal oscillator) are mounted. Therefore, the first surface 211 is an antenna mounting surface on which the antenna unit 320 is provided.
- the antenna unit 320 is, for example, a patch antenna formed of an antenna pattern by wiring.
- the wireless module 300 is mounted on the set substrate 400.
- the second surface 212 side of the module substrate 310 contacts the mounting surface of the set substrate 400.
- a frame substrate 360 is disposed on the second surface 212 of the module substrate 310 so that the set substrate 400 does not directly contact the electronic component mounted on the second surface 212.
- the frame substrate 360 has, for example, a rectangular shape, and is disposed at the peripheral end of the second surface 212 of the module substrate 310.
- the wireless module 300 has a cavity type structure by the module substrate 310 and the frame substrate 360.
- the module substrate 310 may be configured by a multilayer substrate.
- the electrodes 361 of the frame substrate 360 are soldered to the set substrate 400 and physically and electrically connected. As a result, the module substrate 310 and the frame substrate 360 and the set substrate 400 are conducted to enable signal transmission.
- the length d1 of the module thickness direction (z direction in FIG. 13) of the module substrate 310 and the frame substrate 360 is, for example, about 1 mm.
- the length d2 of the chip component 340 and the IC component 350 in the component thickness direction (z direction in FIG. 13) is, for example, about 0.2 to 0.3 mm. Even when the wireless module 300 including the frame substrate 360 is mounted on the set substrate 400, the electronic components mounted on the module substrate 310 do not contact the set substrate 400.
- the antenna unit 320 and the electronic component such as Tcxo 330 are integrally molded by a mold member (for example, a mold resin) to form a mold unit 270.
- the mold portion 370 encloses the antenna portion 320 and the surrounding electronic components.
- the mold member is not particularly limited, but it goes without saying that the smaller the dielectric loss tangent (tan ⁇ ), the smaller the electric loss in the mold portion 370.
- the wireless module 300 when the wireless module 300 is mounted on the set substrate 400, it is picked up by the pickup device from the first surface 211 side of the module substrate 310 and mounted on the set substrate 400. Therefore, the mold portion 370 is picked up, and interference at the time of pickup due to the step between the antenna portion 320 provided on the first surface 211 and the electronic component can be prevented, and pickup of the wireless module 300 becomes easy.
- the circumferential end surface 213 (ceiling surface) of the mold portion 370 is preferably parallel to the module substrate 310 and flat. Thereby, the wireless module 300 can be picked up by adsorption more easily.
- the wireless module 300 of this embodiment is a wireless module picked up from the side of the first surface 211 as the antenna mounting surface on which the antenna unit 320 is provided, and the module substrate 310 on which the antenna unit 320 is mounted And, on the first surface 211 of the module substrate 310, there is provided a mold portion 370 in which an electronic component including the antenna portion 320 is molded. This improves the certainty of suction by the tool to be picked up. That is, even when the electronic component is mounted on the antenna mounting surface of the wireless module, the wireless module can be easily picked up from the antenna mounting surface side.
- FIG. 14 is a side cross-sectional view showing a configuration example of a wireless module in the fifth embodiment of the present disclosure.
- the difference between the wireless module 300B illustrated in FIG. 14 and the wireless module 300 illustrated in FIG. 13 is that the wireless module 300B includes a waveguide 380.
- the waveguide portion 380 is provided on the peripheral end surface 213 (mold surface) of the mold portion 370, and assists the transmission and reception of radio waves by the antenna unit 320.
- the waveguide 380 is formed of, for example, a conductor pattern that functions as a waveguide.
- the mold resin forming the mold portion 370 does not consider antenna characteristics, and thus is an undesirable dielectric when viewed from the antenna portion 320.
- the wireless module 300 ⁇ / b> B can adjust the antenna characteristics and keep it in a good state by providing the waveguide part 380.
- the following three patterns can be considered as the position where the waveguide part 380 is provided on the mold part 370.
- FIG. 15 is a top view showing a first example of the positional relationship between the antenna unit 320 and the waveguide 380 of the wireless module 300B.
- the waveguide portion 380 is provided at a position facing the antenna portion 320 on the circumferential end surface 213 of the mold portion 370. Accordingly, the loss of the power transmitted or received by the antenna unit 320 is minimized, and radio waves can be favorably transmitted and received. That is, the certainty of suction by the tool to be picked up is improved, and the antenna characteristic can be maintained in a good state.
- a waveguide portion 380 is provided on the peripheral end surface 213 of the mold portion 370 toward the outside of the mold portion 370.
- the antenna unit 320 has a 2 ⁇ 2 array configuration on the first surface 211 of the module substrate 310.
- the waveguide portion 380 has a 2 ⁇ 2 array configuration at the peripheral end surface 213 of the mold portion 370.
- the 2 ⁇ 2 array configuration of the antenna unit 320 and the waveguide unit 380 is an example, and may be configured as one pattern or a larger number of patterns may be arranged in a lattice. The antenna characteristics are better if a large number of patterns are arranged.
- the antenna gain and the antenna gain can be appropriately changed by appropriately changing the pattern functioning as the waveguide portion 380 on the mold portion 370 without redesigning the module substrate 310. Frequency characteristics can be changed. Also, although it is difficult to cut the pattern of the antenna unit 320 for adjusting manufacturing variations after molding, this can be achieved by cutting the pattern on the mold unit 370.
- the presence of the mold portion 370 increases the thickness (the length in the z direction in FIG. 14) of the dielectric layer having a dielectric constant higher than that of air, so that the waveguide portion 380 is larger than the antenna portion 320. desirable. That is, it is desirable that the area where the waveguide part 380 is provided on the mold surface of the mold part 370 is larger than the area where the antenna part 320 is provided on the antenna mounting surface. Thereby, antenna characteristics can be adjusted more satisfactorily.
- FIG. 16 is a top view showing a second example of the positional relationship between the antenna unit 320 and the waveguide 380 of the wireless module 300B.
- the waveguide portion 380 is provided at a position separated by a predetermined distance d3 from the position facing the antenna portion 320 on the circumferential end surface 213 of the mold portion 370. That is, the position on the mold surface of the waveguide unit 380 and the position on the antenna mounting surface of the antenna unit 320 are arranged to be offset (offset).
- the waveguide 380 when the waveguide 380 is on the left side of the antenna unit 320, radio waves are emitted in the left direction.
- the waveguide part 380 when the waveguide part 380 is on the right side of the antenna part 320, radio waves are emitted in the right direction.
- the waveguide 380 is disposed so as to be shifted in the direction in which the radio waves are to be emitted.
- the antenna directivity can be changed (beam tilt) by changing the pattern on the peripheral end surface 213 of the mold portion 370 without redesigning the module substrate 310. Can. Also, even after the antenna unit 320 is mounted on the module substrate 310, the antenna directivity can be flexibly changed.
- FIG. 17 is a top view showing a third example of the positional relationship between the antenna unit 320 and the waveguide 380 of the wireless module 300B.
- the waveguide portion 380 is a region where the antenna portion 320 is rotated by a predetermined rotation angle ⁇ from the region provided on the antenna mounting surface at the peripheral end surface 213 of the mold portion 370
- the waveguide 380 has a circumferential end face in such a positional relationship that the direction of the rectangle indicating the region of the waveguide 380 and the direction of the rectangle indicating the region of the antenna 320 are rotated.
- the polarization plane (antenna polarization plane) of the radio wave radiated from the antenna unit 320 can be changed.
- the position of the waveguide 380 on the mold surface and the position of the antenna 320 on the antenna mounting surface (position on the xy plane) are substantially the same.
- the rotation angle ⁇ is an angle less than 90 degrees.
- the antenna polarization plane can be made a desired polarization plane according to the size of the rotation angle ⁇ .
- the antenna polarization plane can be changed from vertical polarization plane to horizontal polarization plane, from horizontal polarization plane to vertical polarization plane, or linear polarization can be circular polarization. Note that such a change in antenna polarization plane can be realized by changing the pattern as the waveguide portion 380 on the peripheral end surface 213 of the mold portion 370 without redesigning the module substrate 310.
- the resonant frequency of the waveguide unit 380 and the resonant frequency of the antenna unit 320 may be designed to be different. Also by this, the antenna polarization plane can be changed.
- the excitation timing is slightly different.
- the antenna polarization plane can be changed.
- a first wireless module includes a first substrate on which a mounting component of a wireless circuit is mounted, a second substrate arranged to be stacked on the first substrate, the first substrate, and the second substrate
- a connection member for electrically connecting the first substrate and the second substrate, and a signal path of the connection member having a predetermined impedance, are arranged to form an interval at which the mounting component can be mounted therebetween.
- a conductive member for example, when configuring a wireless module used in a high frequency band such as a millimeter wave band, impedance matching of the signal path of the connection member can be taken, and loss due to impedance discontinuity and radiation can be suppressed.
- a second wireless module of the present disclosure is the first wireless module, wherein
- the connection member includes a conductor forming a signal path, and the conductive member is disposed at a position separated from the conductor of the connection member by a predetermined distance, and the connection member is formed of the first substrate or the second substrate. Connected to the ground.
- a third wireless module of the present disclosure is the second wireless module, wherein
- the connection member is a member of a conductor, and the conductive member is a separate member from the connection member.
- a fourth wireless module of the present disclosure is the second wireless module, wherein
- the connection member includes a signal line conductor and a ground conductor which is disposed at a predetermined distance from the signal line conductor and functions as the conductive member.
- a fifth wireless module of the present disclosure is the fourth wireless module, A wiring pad formed on the first substrate or the second substrate connected to the connection member of the ground conductor, and a via for connecting the wiring pad to the ground of the first substrate or the second substrate .
- the sixth wireless module of the present disclosure is a wireless module picked up from the antenna mounting surface side provided with the antenna unit, and the module substrate on which the antenna unit is mounted, and the antenna mounting surface of the module substrate, And a mold unit in which an electronic component including the antenna unit is molded.
- a seventh wireless module of the present disclosure is the sixth wireless module, further comprising: The position which opposes the said antenna part in the peripheral end surface of the said mold part is equipped with the waveguide part which assists transmission / reception of the electromagnetic wave by the said antenna part.
- An eighth wireless module of the present disclosure is the seventh wireless module described above, The area in which the waveguide section is provided on the mold section is larger than the area in which the antenna section is provided on the module substrate.
- a ninth wireless module of the present disclosure is the sixth wireless module described above,
- a waveguide portion for assisting transmission and reception of radio waves by the antenna unit is provided at a position away from the position facing the antenna unit on the peripheral end face of the mold unit by a predetermined distance.
- a tenth wireless module of the present disclosure is any one of the sixth to ninth wireless modules,
- the waveguide portion is provided on a circumferential end surface of the mold portion in a region rotated by a predetermined angle from a region where the antenna portion is provided on the antenna mounting surface.
- An eleventh wireless module of the present disclosure is any one of the sixth to ninth wireless modules described above, The resonant frequency of the waveguide and the resonant frequency of the antenna unit are different.
- the present disclosure has an effect of suppressing loss due to impedance discontinuity and radiation when configuring a wireless module used in a high frequency band, and for example, mounted a semiconductor element or the like used for wireless communication in a millimeter wave band or the like. It is useful as a wireless module etc.
- first substrate 12 second substrate 13 semiconductor element 14 passive element 15, 28 wiring pattern 16, 24, 27, 29, 102, 112 ground pattern 17, 19, 26 wiring pad 18, 41, 51, 61, 71 connection member Reference Signs List 20 antenna 21 through via 22 sealing resin 23, 25, 31, 35 conductive member 42, 62, 72 signal line conductor 43, 53, 63, 73 insulating member 44, 64, 74 ground conductor 52 signal via 54 ground via 101, 113 Vias 111 Connection member side wiring 211 First surface of module board (antenna mounting surface) 212 Second surface of module board 213 Peripheral end face of mold (mold surface) 300, 300 B wireless module 310 module board 320 antenna unit 330 Tcxo 340 chip parts 350 IC parts 360 frame substrate 361 electrode 370 mold part 380 waveguide part 400 set board
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Abstract
Description
無線モジュールの構成の一例として、第1基板に能動素子及び受動素子を搭載し、アンテナ等を形成した第2基板を対向配置させて2つの基板間を接続部材によって電気的に接続した構成のものがある。この構成の場合、第1基板に半導体素子(IC等)及びチップコンデンサ、チップ抵抗等の受動素子を実装し、第2基板に半田メッキされたCu(銅)コアボール等による接続部材を実装する。そして、第1基板と第2基板の実装面同士を対向させ、接続部材の半田を溶融させて第1基板に対して電気的に接続した後、モールドレジンを基板間の部品が存在する埋め込み層に充填して樹脂封止する。これにより、複数の基板を積層した構造の無線モジュールが実現される。
以下の実施形態では、本開示に係る無線モジュールの例として、60GHzのミリ波帯等の高周波帯において用いられ、アンテナ及び半導体素子を搭載した無線モジュールの構成例をいくつか示す。
第1の実施形態は、基板間を電気的に接続する接続部材として、Cuコアボールを用いた場合の構成例を示す。
第1の実施形態では、信号用のCuコアボールによる接続部材の周辺に、端面電極のグランド電極及び/またはグランド用のCuコアボールを設け、接続部材のインピーダンスを調整する構造を示した。第2の実施形態は、接続部材の周辺に専用部品の導電部材を配置した構成例を示す。
第3の実施形態は、接続部材自体の構成を変更し異なる構造の部品とした構成例を示す。
従来、半導体基板上に、高周波信号を発生させる発信器を持つ高周波回路とパッチアンテナとが一方の面に形成された半導体チップが、MMIC(Monolithic Microwave Integrated Circuits)基板に実装された撮像装置が知られている(例えば、参考特許文献1参照)。
[参考特許文献1]日本国特開2004-205402号公報
図13は本開示の第4の実施形態における無線モジュールの構成例を示す側断面図である。
図13に示す無線モジュール300において、モジュール基板310は、多層基板であり、ICの配線等を行う。モジュール基板310の第1の面211(図13では上面)には、アンテナ部320やTcxo330(Temperature compensated crystal Oscillator:温度補償水晶発振器)等の電子部品が実装されている。したがって、第1の面211は、アンテナ部320が設けられるアンテナ実装面である。
図14は本開示の第5の実施形態における無線モジュールの構成例を示す側断面図である。
図14に示す無線モジュール300Bと図13に示した無線モジュール300との相違点は、無線モジュール300Bが導波部380を備える点である。
本開示の第1の無線モジュールは、無線回路の実装部品を搭載する第1基板と、前記第1基板に対して積層して配置する第2基板と、前記第1基板と前記第2基板との間に前記実装部品を搭載可能な間隔を形成し、前記第1基板と前記第2基板とを電気的に接続する接続部材と、前記接続部材の信号経路が所定のインピーダンスとなるように配置した導電部材と、を備える。
この構成により、例えばミリ波帯等の高周波帯にて使用する無線モジュールを構成する場合に、接続部材の信号経路のインピーダンス整合をとることができ、インピーダンス不連続と放射による損失を抑制できる。
前記接続部材は、信号経路を形成する導体を含むものであり、前記導電部材は、前記接続部材の導体に対して所定距離を離れた位置に配置され、前記第1基板または前記第2基板のグランドと接続される。
前記接続部材は、導体の部材であり、前記導電部材は、前記接続部材と別部材である。
前記接続部材は、信号線導体と、前記信号線導体に対して所定距離を離れた位置に配置され前記導電部材として機能するグランド導体とを含むものである。
前記グランド導体の接続部材と接続される前記第1基板または前記第2基板に形成された配線パッドと、前記配線パッドと前記第1基板または前記第2基板のグランドとを接続するヴィアとを備える。
この構成により、無線モジュールのアンテナ実装面に電子部品が実装されている場合であっても、モールド部によってアンテナ部と電子部品との段差によるピックアップ時の干渉を防止でき、無線モジュールをアンテナ実装面側から容易にピックアップすることができる。
前記モールド部の周端面における前記アンテナ部と対向する位置に、前記アンテナ部による電波の送受を補助する導波部を備える。
前記導波部がモールド部上に設けられた領域は、前記アンテナ部が前記モジュール基板上に設けられた領域よりも大きい。
前記モールド部の周端面における前記アンテナ部と対向する位置から所定距離離れた位置に、前記アンテナ部による電波の送受を補助する導波部を備える。
前記導波部は、前記モールド部の周端面において、前記アンテナ部が前記アンテナ実装面において設けられた領域から所定角度回転された領域に設けられる。
前記導波部の共振周波数と前記アンテナ部の共振周波数とが異なる。
12 第2基板
13 半導体素子
14 受動素子
15、28 配線パターン
16、24、27、29、102、112 グランドパターン
17、19、26 配線パッド
18、41、51、61、71 接続部材
20 アンテナ
21 貫通ヴィア
22 封止樹脂
23、25、31、35 導電部材
42、62、72 信号線導体
43、53、63、73 絶縁部材
44、64、74 グランド導体
52 信号用ヴィア
54 グランド用ヴィア
101、113 ヴィア
111 接続部材側配線
211 モジュール基板の第1の面(アンテナ実装面)
212 モジュール基板の第2の面
213 モールド部の周端面(モールド面)
300、300B 無線モジュール
310 モジュール基板
320 アンテナ部
330 Tcxo
340 チップ部品
350 IC部品
360 枠基板
361 電極
370 モールド部
380 導波部
400 セット基板
Claims (5)
- 無線回路の実装部品を搭載する第1基板と、
前記第1基板に対して積層して配置する第2基板と、
前記第1基板と前記第2基板との間に前記実装部品を搭載可能な間隔を形成し、前記第1基板と前記第2基板とを電気的に接続する接続部材と、
前記接続部材の信号経路が所定のインピーダンスとなるように配置した導電部材と、
を備える無線モジュール。 - 請求項1に記載の無線モジュールであって、
前記接続部材は、信号経路を形成する導体を含むものであり、
前記導電部材は、前記接続部材の導体に対して所定距離を離れた位置に配置され、前記第1基板または前記第2基板のグランドと接続される、無線モジュール。 - 請求項2に記載の無線モジュールであって、
前記接続部材は、導体の部材であり、
前記導電部材は、前記接続部材と別部材である、無線モジュール。 - 請求項2に記載の無線モジュールであって、
前記接続部材は、信号線導体と、前記信号線導体に対して所定距離を離れた位置に配置され前記導電部材として機能するグランド導体とを含むものである、無線モジュール。 - 請求項4に記載の無線モジュールであって、
前記グランド導体の接続部材と接続される前記第1基板または前記第2基板に形成された配線パッドと、前記配線パッドと前記第1基板または前記第2基板のグランドとを接続するヴィアとを備える、無線モジュール。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/131,551 US20140126168A1 (en) | 2011-12-02 | 2012-11-29 | Wireless module |
| CN201280034105.8A CN103703610B (zh) | 2011-12-02 | 2012-11-29 | 无线模块 |
| JP2013547001A JP5909707B2 (ja) | 2011-12-02 | 2012-11-29 | 無線モジュール |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-265019 | 2011-12-02 | ||
| JP2011265019 | 2011-12-02 | ||
| JP2011268042 | 2011-12-07 | ||
| JP2011-268042 | 2011-12-07 |
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| WO2013080560A1 true WO2013080560A1 (ja) | 2013-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2012/007682 Ceased WO2013080560A1 (ja) | 2011-12-02 | 2012-11-29 | 無線モジュール |
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|---|---|
| US (1) | US20140126168A1 (ja) |
| JP (1) | JP5909707B2 (ja) |
| CN (1) | CN103703610B (ja) |
| WO (1) | WO2013080560A1 (ja) |
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| WO2019064430A1 (ja) * | 2017-09-28 | 2019-04-04 | 三菱電機株式会社 | アレーアンテナ装置 |
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| WO2022208637A1 (ja) * | 2021-03-29 | 2022-10-06 | ソニーグループ株式会社 | 電子基板及び電子装置 |
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| WO2015133454A1 (ja) | 2014-03-03 | 2015-09-11 | 株式会社フジクラ | アンテナモジュール、及び、その実装方法 |
| US10193206B2 (en) | 2014-09-02 | 2019-01-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Method of manufacturing a signal transition component having a C-shaped conducting frame |
| JPWO2017110079A1 (ja) * | 2015-12-22 | 2018-10-18 | パナソニックIpマネジメント株式会社 | 抵抗器 |
| JP6500859B2 (ja) * | 2016-08-22 | 2019-04-17 | 株式会社村田製作所 | 無線モジュール |
| WO2018186065A1 (ja) * | 2017-04-03 | 2018-10-11 | 株式会社村田製作所 | 高周波モジュール |
| WO2019174007A1 (zh) | 2018-03-15 | 2019-09-19 | 华为技术有限公司 | 连接板、电路板组件及电子设备 |
| TWI750467B (zh) * | 2018-05-15 | 2021-12-21 | 南韓商三星電子股份有限公司 | 半導體封裝 |
| KR102455588B1 (ko) | 2018-12-06 | 2022-10-14 | 동우 화인켐 주식회사 | 안테나 구조체 및 이를 포함하는 디스플레이 장치 |
| CN114121832A (zh) * | 2020-08-27 | 2022-03-01 | 讯芯电子科技(中山)有限公司 | 半导体封装装置和半导体封装装置制造方法 |
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- 2012-11-29 WO PCT/JP2012/007682 patent/WO2013080560A1/ja not_active Ceased
- 2012-11-29 JP JP2013547001A patent/JP5909707B2/ja active Active
- 2012-11-29 CN CN201280034105.8A patent/CN103703610B/zh not_active Expired - Fee Related
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| JP2005302864A (ja) * | 2004-04-08 | 2005-10-27 | Toppan Printing Co Ltd | 高周波パッケージ実装済基板 |
| JP2009266979A (ja) * | 2008-04-24 | 2009-11-12 | Shinko Electric Ind Co Ltd | 半導体装置 |
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| WO2019064430A1 (ja) * | 2017-09-28 | 2019-04-04 | 三菱電機株式会社 | アレーアンテナ装置 |
| JP6516939B1 (ja) * | 2017-09-28 | 2019-05-22 | 三菱電機株式会社 | アレーアンテナ装置 |
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| WO2022208637A1 (ja) * | 2021-03-29 | 2022-10-06 | ソニーグループ株式会社 | 電子基板及び電子装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5909707B2 (ja) | 2016-04-27 |
| JPWO2013080560A1 (ja) | 2015-04-27 |
| US20140126168A1 (en) | 2014-05-08 |
| CN103703610B (zh) | 2016-07-27 |
| CN103703610A (zh) | 2014-04-02 |
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