WO2007116657A1 - 中継基板とその製造方法およびそれを用いた立体回路装置 - Google Patents
中継基板とその製造方法およびそれを用いた立体回路装置 Download PDFInfo
- Publication number
- WO2007116657A1 WO2007116657A1 PCT/JP2007/056051 JP2007056051W WO2007116657A1 WO 2007116657 A1 WO2007116657 A1 WO 2007116657A1 JP 2007056051 W JP2007056051 W JP 2007056051W WO 2007116657 A1 WO2007116657 A1 WO 2007116657A1
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- Prior art keywords
- hole
- electrode
- shield electrode
- relay board
- board
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Classifications
-
- 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
- H05K1/144—Stacked arrangements of planar printed circuit boards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7076—Coupling devices for connection between PCB and component, e.g. display
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7082—Coupling device supported only by cooperation with PCB
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
- H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
-
- 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
-
- 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
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10378—Interposers
-
- 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
- H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
- H05K2201/2018—Presence of a frame in a printed circuit or printed circuit assembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
- Y10T29/49165—Manufacturing circuit on or in base by forming conductive walled aperture in base
Definitions
- Relay board manufacturing method thereof, and three-dimensional circuit device using the same
- the present invention relates to a relay board for connecting a plurality of circuit boards on which electronic components such as IC chips are mounted, a manufacturing method thereof, and a three-dimensional circuit device using the same.
- a board bonding member for connecting circuit boards such as module boards on which electronic components such as IC chips and chip parts are mounted
- plug side and socket side cassettes are used as a board bonding member.
- circuit boards such as module boards on which electronic components such as IC chips and chip parts are mounted
- plug side and socket side cassettes are used as a board bonding member.
- connection terminals between module boards tends to increase as lightness, thinness, and high functionality of mopile equipment progress. For this reason, efforts are being made to reduce the connection terminal pitch of pin connectors.
- the joint part of the pin connector is easily damaged due to a large force when it receives a difference in dimensional fluctuation when the temperature changes between members constituting the joint part or an external impact force. There is a problem.
- EMC Electromagnetic Compatibility
- a relay substrate in which a lead terminal having a predetermined shape such as a plurality of spring elastic metal thin plates is fixedly held in an insulating housing in a predetermined arrangement configuration.
- a lead terminal having a predetermined shape such as a plurality of spring elastic metal thin plates is fixedly held in an insulating housing in a predetermined arrangement configuration.
- circuit boards can be connected at a fine pitch, and impact resistance can be greatly improved. Furthermore, by providing a shield member on the relay board, electronic components can be shielded electromagnetically, such as noise!
- the circuit component 620 for the intermediate frequency part is mounted and the circuit part 610 for the tuner part is electromagnetically shielded by the metal case 630 (see, for example, Patent Document 2).
- the insulating housing has spring elasticity and the lead terminals formed in advance in a predetermined shape are arranged and fixed and held, and the insulating housing The shield member is formed on the outer peripheral wall surface.
- Patent Document 2 it is possible to electromagnetically shield the circuit components together with the main surface of the printed circuit board with the metal case.
- the metal case is an additional part for the electromagnetic shield, which increases the weight and volume, and thus goes against the trend of light and thin equipment.
- Patent Document 2 does not disclose a technique for connecting a plurality of circuit boards with a relay board or the like.
- Patent Document 1 Japanese Patent Laid-Open No. 2005-333046
- Patent Document 2 JP-A-5-29784
- the relay substrate of the present invention connects at least the first circuit board and the second circuit board.
- a connection board a housing having a recess provided in the outer periphery and a hole provided in the inner periphery, a plurality of connection terminal electrodes connecting the upper and lower surfaces of the housing, a shield electrode provided in the recess, and a shield A ground electrode provided on a part of the upper and lower surfaces of the housing connected to the electrode.
- the relay substrate manufacturing method of the present invention includes a first step of forming a plurality of first holes in at least a predetermined position of the insulating mother substrate, and at least in a region surrounded by the first holes.
- a second step for forming one second hole, a third step for forming a shield electrode on at least the inner peripheral surface of the first hole, and a plurality of connection terminal electrodes for connecting the upper and lower surfaces of the insulating mother board A fourth step of forming a ground electrode, a fifth step of forming a ground electrode in a predetermined region on the upper and lower surfaces of the insulating mother board to be connected to the shield electrode, and a first hole from the insulating mother board.
- the three-dimensional circuit device of the present invention has a configuration in which at least the first circuit board and the second circuit board are connected via the relay board. As a result, it is possible to obtain a three-dimensional circuit device capable of electromagnetically shielding circuit components mounted on a circuit board while connecting a plurality of circuit boards.
- FIG. 1A is a conceptual perspective view showing a configuration of a relay board in the first embodiment of the present invention.
- FIG. 1B is a conceptual plan view of FIG. 1A.
- FIG. 1C is a conceptual cross-sectional view taken along line 1C 1C in FIG. 1B.
- FIG. 2A is a conceptual diagram illustrating a method for manufacturing a relay board in the first embodiment of the present invention.
- FIG. 2B is a conceptual diagram illustrating a method of manufacturing a relay board in the first embodiment of the present invention.
- FIG. 2C is a conceptual diagram illustrating the method for manufacturing the relay board in the first embodiment of the present invention.
- FIG. 3A is a conceptual diagram illustrating a method of manufacturing a relay board in the first embodiment of the present invention.
- FIG. 3B is a conceptual diagram illustrating a method of manufacturing the relay board in the first embodiment of the present invention.
- FIG. 3C is a conceptual diagram illustrating a method of manufacturing the relay board in the first embodiment of the present invention.
- FIG. 4A is a conceptual perspective view showing the configuration of the relay board in the second exemplary embodiment of the present invention.
- FIG. 4B is a conceptual plan view of FIG. 4A.
- FIG. 4C is a conceptual cross-sectional view taken along line 4C 4C of FIG. 4B.
- FIG. 5A is a conceptual diagram for explaining a method of manufacturing a relay board in the second embodiment of the present invention.
- FIG. 5B is a conceptual diagram illustrating a method of manufacturing a relay board in the second embodiment of the present invention.
- FIG. 5C is a conceptual diagram illustrating a method of manufacturing the relay board in the second embodiment of the present invention.
- FIG. 6A is a conceptual diagram illustrating a method of manufacturing a relay board in the second embodiment of the present invention.
- FIG. 6B is a conceptual diagram illustrating a method of manufacturing a relay board in the second embodiment of the present invention.
- FIG. 6C is a conceptual diagram illustrating a method of manufacturing a relay board in the second embodiment of the present invention.
- FIG. 7A is a conceptual perspective view showing the configuration of the relay board in the third embodiment of the present invention.
- FIG. 7B is a conceptual plan view of FIG. 7A.
- FIG. 7C is a conceptual cross-sectional view taken along line 7C-7C in FIG. 7B.
- FIG. 8A is a conceptual diagram illustrating a method for manufacturing a relay board in a third embodiment of the present invention.
- FIG. 8B is a conceptual diagram illustrating a method for manufacturing the relay board in the third embodiment of the present invention.
- FIG. 8C is a conceptual diagram illustrating the method for manufacturing the relay board in the third embodiment of the present invention.
- FIG. 9A is a conceptual diagram illustrating a method of manufacturing a relay board in the third embodiment of the present invention.
- FIG. 9B is a conceptual diagram illustrating a method for manufacturing a relay board in the third embodiment of the present invention.
- FIG. 9C is a conceptual diagram illustrating the method for manufacturing the relay board in the third embodiment of the present invention.
- FIG. 10A is a conceptual perspective view showing a configuration of a three-dimensional circuit device according to a fourth embodiment of the present invention.
- FIG. 10B is a conceptual cross-sectional view showing, on an enlarged scale, a portion where the circuit boards of FIG. 10A are connected via a relay board.
- FIG. 11 is a cross-sectional view for explaining a shield configuration of a conventional printed circuit board.
- FIG. 1A is a conceptual perspective view showing the configuration of a relay board in the first embodiment of the present invention.
- FIG. 1B is a conceptual plan view of FIG. 1A
- FIG. 1C is a conceptual cross-sectional view taken along line 1C 1C of FIG. 1B.
- the relay substrate 1 has, for example, a rectangular outer periphery, and a recess 10a formed by separating and cutting using a first hole described in the following manufacturing method.
- the housing 10 is provided with a square hole (hereinafter referred to as “second hole”) 22 and also has a force such as glass epoxy resin.
- a shield electrode 11 is provided on the entire inner peripheral side surface of the recess 10a.
- a plurality of connection terminal electrodes 12 that are provided integrally with the upper and lower surfaces of the housing 10 via the inner peripheral side surface of the second hole 22 are provided.
- the ground electrode 13 connected to the shield electrode 11 formed in the recess 10a has a configuration provided in a predetermined region of the relay substrate 1, for example, at the four corners.
- the upper and lower surfaces of the housing 10 mean surfaces on which the upper surface terminal electrodes 12a and the lower surface terminal electrodes 12b of the connection terminal electrodes 12 described below are provided. Further, the predetermined areas at the four corners where the ground electrode 13 is provided are areas in the vicinity of the four corners of the housing which are separated and cut using the first hole, which will be described in the following manufacturing method.
- the housing 10 of the relay substrate for example, insulating resin such as glass epoxy resin, liquid crystal polymer, polyphenylene sulfide, polybutylene terephthalate or the like is used. Furthermore, when shape accuracy, high heat conductivity, and the like are required, an insulating substrate such as a ceramic substrate may be used. In this case, the ceramic substrate power excellent in workability is particularly preferable.
- the shield electrode 11 is made of a metal such as copper (Cu), silver (Ag), or aluminum (A1) except for the portion of the separation cut surface 10d of the protrusion 10c of the housing 10 of the relay substrate 1. It is made of electrode material.
- connection terminal electrode 12 is connected via a connection electrode 12c in which an upper surface terminal electrode 12a and a lower surface terminal electrode 12b provided on the upper and lower surfaces of the housing 10 are formed on the inner peripheral side surface 10b of the second hole 22. Provided integrally connected. They are provided by patterning with the same metal electrode material as the shield electrode 11.
- the ground electrode 13 includes an upper surface ground electrode 13a and a lower surface ground electrode 13b provided facing the upper and lower surfaces of the protruding portion 10c of the four corners of the housing 10, for example, and is patterned by the same metal electrode material as the shield electrode 11. Formed and provided.
- the ground electrode 13 composed of the upper surface ground electrode 13 a and the lower surface ground electrode 13 b is electrically connected to the shield electrode 11 provided in the recess 10 a of the housing 10.
- the shield electrode 11, the connection terminal electrode 12, and the ground electrode 13 are formed on the surface, for example, It is preferable to provide gold plating. As a result, it is possible to improve the reliability by preventing the stability of the connection and the deterioration of each electrode over time.
- the relay substrate 1 is formed in the recess 10a that can connect a plurality of circuit boards (not shown) via the connection terminal electrode 12 and the ground electrode 13 with the relay substrate 1 interposed therebetween.
- the relay substrate 1 having an electromagnetic shielding function can be obtained by the shield electrode 11 thus prepared.
- the shield electrode 11 of the relay board 1 is generated in the second hole 22 of the relay board 1, for example, from the external noise shield to the circuit parts mounted on the circuit board or the circuit parts themselves.
- the internal noise relay board 1 can shield the radiation from the outside.
- connection terminal electrode 12 or the ground electrode 13 of the relay substrate 1 and the circuit board are connected by, for example, solder, an anisotropic conductive sheet or an anisotropic conductive grease.
- solder an anisotropic conductive sheet or an anisotropic conductive grease.
- relay substrate 1 is provided with the shield electrode 11 in the hollow portion 10a, an additional part such as a metal case is not required, so that the lightweight substrate can be reduced in thickness.
- FIGS. 1A to 1C are conceptual diagrams illustrating a method for manufacturing a relay board in the first embodiment of the present invention.
- the same parts and parts as in FIGS. 1A to 1C will be described with the same reference numerals.
- an insulating mother board 20 made of, for example, glass epoxy resin is prepared.
- a plurality of, for example, elongated first holes 21 provided at least at predetermined positions are formed by punching using, for example, a press machine.
- a rectangular second hole 22 surrounded by the first hole 21 is formed by punching using, for example, a press machine.
- the first hole 21 and the second hole 22 may be formed simultaneously, or may be formed one after the other.
- the shield electrode 11 is formed on the inner peripheral side surface 21 a of the first hole 21.
- a plurality of upper terminal electrodes, connection electrodes, and lower terminal electrodes are formed on the upper and lower surfaces of the housing 10 and the inner peripheral side surface of the second hole 22.
- Insulation A ground electrode 13 composed of an upper surface ground electrode and a lower surface ground electrode connected to the shield electrode 11 is formed in a predetermined region on the upper and lower surfaces of the mother board 20, for example, a region where the hole tip portion 21b of the first hole 21 is adjacent. .
- the shield electrode 11, the connection terminal electrode 12 and the ground electrode 13 are composed of the insulating mother board 2.
- each of the electrodes is formed on the insulating base substrate 20 in a predetermined position and in a predetermined pattern shape, for example, by using a metal electrode material such as copper, for example, using a photolithography method or the like.
- a metal catalyst such as a palladium salt is applied to the entire surface.
- an electroless copper plating or a combination of electroless plating and electrolytic copper plating forms a copper plating layer having a predetermined thickness.
- a resist for etching is applied to the formed copper plating layer, and an ultraviolet ray is irradiated to perform an exposure process with a predetermined pattern.
- the exposed resist is developed in sequence, the copper plating layer is etched, and the resist is peeled off to form a copper pattern.
- palladium salt is applied to the entire surface of the insulating mother board 20 in which the first holes 21 and the second holes 22 are formed.
- the insulating mother substrate 20 is immersed in the following electroless copper plating solution for 7 hours to deposit about 35 m thick copper.
- electroless copper plating solution for example, copper sulfate pentahydrate Z ethylenediamine 4 acetic acid ⁇ polyethylene glycol Z12.
- 2-Dibilidyl ⁇ formaldehyde mixed solution is adjusted to pH 12.5 with sodium hydroxide ⁇ sodium, and the liquid temperature Use at 70 ° C.
- an etching resist for example, an electrodeposition resist (for example, “Photo ED P-1000” manufactured by Nippon Paint Co., Ltd.) is used, and electrodeposition is performed at 25 ° C. and 50 mAZdm 2 for 3 minutes. Apply to a thickness of approximately 8 ⁇ m.
- a light-shielding mask was attached, and ultraviolet rays (scattered light) were irradiated at about 400 mjZcm 2 to expose a predetermined pattern. Thereafter, 1% sodium metasilicate at 32 ° C. is sprayed for 120 seconds using a spray device to develop the resist, and a predetermined pattern shape such as 150 ⁇ m width is formed.
- the shield electrode 11 is formed on the inner peripheral side surface 21a of the first hole 21 of the insulating mother substrate 20 with copper.
- the plurality of connection terminal electrodes 12 includes an inner peripheral side surface 10b of the second hole 22, an upper surface terminal electrode 12a formed on the upper and lower surfaces of the insulating mother board 20, a connection electrode 12c, and a lower surface terminal electrode 12b. Connect and form. Further, as the ground electrode 13, the upper surface ground electrode 13a and the lower surface ground electrode 13b are shielded so as to face the region where the top end portion 21b of the first hole 21 is adjacent to the upper and lower surfaces of the insulating mother board 20, for example. A pattern connected to the electrode 11 is formed.
- connection terminal electrode 12, the shield electrode 11, and the ground electrode 13 have been described as being formed at the same time.
- the present invention is not limited to this, and the connection terminal electrode 12, the shield electrode 11, and the ground electrode 13 may be formed in succession. .
- epoxy resin and synthetic rubber, a crosslinking agent, a curing agent, and a filler are provided on the upper and lower surfaces of the insulating mother board and the inner peripheral side surfaces of the first hole and the second hole.
- a plating treatment may be performed. Thereby, the adhesion strength of the plating to the surface of the insulating mother substrate can be improved.
- connection terminal electrode may be plated.
- connection terminal electrode may be plated.
- the relay substrate 1 is manufactured by cutting the separated area.
- a method of separating and cutting if it is punched, a method such as dicing can be used.
- a plurality of relay substrates 1 having the shield electrode 11 in the groove portion 10a are manufactured in a lump.
- the shield electrode 11 provided in the recess 10a of the nosing 10 formed from the insulating base substrate cover of the glass epoxy resin, and the plurality of connection terminal electrodes provided in the housing 10 12 and the relay substrate 1 having the ground electrode 13 connected to the shield electrode 11 can be manufactured together.
- the ground electrode 13 is provided on the protruding portion 10c formed by separating and cutting the insulating mother substrate 20, from the viewpoint that space can be used effectively, but the position thereof is particularly limited. It ’s not something.
- the first hole has a long shape and the second hole has a square shape such as a square.
- the present invention is not limited to this.
- the same effect can be obtained by using a hole with an appropriately designed shape such as a polygon, a shape with a rounded apex, a circular shape, or an elliptical shape.
- each electrode is formed by using a photolithography technique and an etching technique by combining an electroless plating method and an electrolytic plating method. Absent. For example, any method that can form a pattern with a predetermined film thickness can be applied without particular limitation. Further, the force described in the example in which the connection terminal electrode is composed of the upper surface terminal electrode, the connection electrode, and the lower surface terminal electrode force is not limited to this. For example, the connection may be made only with the connection electrode formed on the inner peripheral side surface of the second hole.
- connection terminal electrode may be formed by cutting the central portion of the through hole to form the second hole.
- an insulating protective film such as a resist is provided except for portions that are electrically connected by connection terminal electrodes and ground electrodes formed on the upper and lower surfaces of the relay substrate housing. Also good. As a result, for example, a short circuit due to migration, Damage to each electrode in the tube can be prevented.
- FIG. 4A is a conceptual perspective view showing the configuration of the relay board in the second embodiment of the present invention
- FIG. 4B is a conceptual plan view of FIG. 4A
- FIG. 4C is a conceptual cross-sectional view taken along line 4C 4C of FIG. 4B. .
- the relay substrate 2 has, for example, a rectangular outer periphery, and a recess 40a formed by separation and cutting using a first hole described in the following manufacturing method.
- it has a housing 40 which has a square-shaped second hole 45 and which has a force such as glass epoxy resin.
- a shield electrode 41 is provided on the entire inner peripheral side surface of the recess 40a.
- a ground electrode 43 composed of an upper surface ground electrode 43a and a lower surface ground electrode 43b connected to the shield electrode 41 formed in the recess 40a is provided on the projecting portion 40c of a predetermined region, for example, at the four corners of the relay substrate 2.
- the housing 40 has a configuration in which, for example, a plurality of conductive vias 42 serving as connection terminal electrodes for connecting upper and lower surfaces thereof are provided at predetermined positions.
- the upper and lower surfaces of the housing 40 mean surfaces on which conductive vias 42 described below are provided.
- the housing 40, the shield electrode 41, and the ground electrode 43 of the relay substrate 2 are formed by the same material and the same method as those in the first embodiment.
- the conductive via 42 serving as the connection terminal electrode has a plurality of via holes (not shown) formed between the second hole 45 provided on the outer periphery and the inner periphery of the housing 40. Provided to electrically connect the surfaces.
- the conductive via 42 is formed in a via hole having lands (not shown) on the upper and lower surfaces of the housing 40 by, for example, copper plating using a plating method.
- the electromagnetic shield is provided by the shield electrode 41 formed in the recess 40a of the relay board 2 that can connect the plurality of circuit boards via the conductive via 42 and the ground electrode 43 with the relay board 2 interposed therebetween.
- a relay board 2 having a function is obtained.
- the shield electrode 41 of the intermediate board 2 is used to shield external noise in the second hole 45 of the intermediate board 2, for example, to a circuit component (not shown) mounted on the circuit board. circuit It is possible to shield the internal noise generated from the component itself from the relay board 2 to the outside.
- the conductive via 42 and the ground electrode 13 of the relay substrate 2 and the circuit board are connected by, for example, solder, an anisotropic conductive sheet or an anisotropic conductive grease. As a result, circuit boards can be connected with high reliability.
- the relay substrate 2 is provided with the shield electrode 41 in the hollow portion 40a, an additional part such as a metal case is not required, so that the weight can be reduced.
- the conductive vias having a plurality of lands have been described as being arranged in a row, for example, but the present invention is not limited to this.
- a conductive paste containing silver (Ag) or the like may be filled in the via hole to form a conductive via without a land, and conductive vias may be arranged in a staggered manner.
- a relay board that can be connected at a fine pitch can be obtained.
- FIG. 5A to FIG. 5C and FIG. 6A to FIG. 6C are conceptual diagrams illustrating a method for manufacturing a relay board in the second embodiment of the present invention.
- the same parts and parts as those in FIGS. 4A to 4C will be described with the same reference numerals.
- an insulating mother board 50 made of, for example, glass epoxy resin is prepared.
- a plurality of, for example, elongated first holes 51 provided at least in predetermined positions, for example, are formed by punching using a press machine or the like.
- a plurality of via holes 52 are formed in the insulating mother substrate 50 inside the first hole 51 by, for example, punching using, for example, a press machine along each side of the first hole 51.
- the first hole 51 and the via hole 52 may be formed simultaneously, or may be formed one after the other.
- the shield electrode 41 is formed on the inner peripheral side surface 51 a of the first hole 51.
- conductive vias 42 are formed in the plurality of via holes 52 formed along each side of the first hole 51 by, for example, copper plating using a plating method.
- the insulating mother board 50 The upper surface ground electrode 43a and the lower surface ground electrode 43b connected to the shield electrode 41 are formed in a predetermined region on the upper and lower surfaces, for example, in the region where the hole tip 51b of the first hole 51 is adjacent to the ground electrode 43. To do.
- the shield electrode 41, the conductive via 42, and the ground electrode 43 are collectively formed on the insulating mother substrate 50 by the same method as in the first embodiment, for example, by using a staking method or the like. It is done. Note that the step of forming the shield electrode 41, the conductive via 42, and the ground electrode 43 may be formed collectively, or may be formed in a plurality of steps.
- the shield electrode 41 is formed on the inner peripheral side surface 51a of the first hole 51 of the insulating mother substrate 50 by copper plating.
- the conductive via 42 is formed on the insulating mother board 50 inside the first hole 51 on the inner peripheral side surface of the plurality of via holes 52 provided along each side of the first hole 51, for example, with copper. It is formed by spitting. In this case, it is preferable to provide lands (not shown) in the conductive vias 42 on the upper and lower surfaces of the insulating mother board 50.
- the ground electrode 43, the upper surface ground electrode 43a and the lower surface ground electrode 43b are connected to the shield electrode 41 in the region adjacent to the top end 51b of the first hole 51 on the upper and lower surfaces of the insulating mother board 50, for example.
- the pattern is formed.
- connection terminal electrode may be plated with gold.
- reliability such as connection stability and moisture resistance, can be improved.
- a quadrangular second hole 45 is formed in a region surrounded by the plurality of conductive vias 42 formed in the insulating mother board 50, for example, a press machine or the like. It is formed by punching using
- the first hole 51 formed in the insulating mother board 50 is used to separate and cut in the region including at least one second hole 45 along the dotted line shown in the drawing, and the relay board 2 Is produced.
- a method of separating and cutting a method such as punching or dicing can be used. It should be noted that the formation of the second hole 45 and the above-described separation / cutting step may be performed simultaneously or sequentially.
- the shield electrode 41 provided in the recess 40a of the nosing 40 formed from the insulating mother substrate cover of the glass epoxy resin, the plurality of conductive vias 42, the shield electrode 41 The relay substrate 2 provided with the ground electrode 43 connected to can be manufactured at once.
- the ground electrode 43 is preferably provided on the protruding portion 40c formed by separating and cutting the insulating mother substrate 50 as in the first embodiment.
- the relay substrate that can connect different circuit boards via the shield electrode and the conductive vias is formed by directly forming each electrode on the insulating mother board, and then separating and cutting.
- the first hole has a long shape and the second hole has a quadrangular shape such as a square.
- the present invention is not limited to this.
- the same effect can be obtained by using a hole with an appropriately designed shape such as a polygon, a shape with a rounded apex, a circular shape, or an elliptical shape.
- the conductive via serving as the connection terminal electrode has been described as an example in which the land is formed around the via hole.
- the via hole may be filled with a conductive paste that has strength such as silver (Ag) and thermally cured. This eliminates the need for land formation, so that conductive vias can be provided at a fine pitch.
- productivity can be improved because it can be formed by a simple method of filling a via hole with a conductive paste and thermosetting.
- an insulating protective film such as a resist may be provided except for a portion electrically connected by a conductive via or a ground electrode formed in the relay substrate housing. This prevents, for example, short-circuiting due to migration or damage of each electrode during mounting or storage.
- FIG. 7A is a conceptual perspective view showing the configuration of the relay board in the third embodiment of the present invention
- FIG. 7B is a conceptual plan view of FIG. 7A
- FIG. 7C is a conceptual cross-sectional view taken along line 7C-7C of FIG. 7B. is there.
- the relay substrate 3 has, for example, a rectangular outer periphery, and a recess 70a formed by separation and cutting using a first hole described in the following manufacturing method.
- it has a housing 70 which is provided with a second hole 85 having a square shape and also has a force such as glass epoxy resin.
- a shield electrode 71 comprising a first shield electrode 71a formed on the entire inner peripheral side surface of the recess 70a and a second shield electrode 71b formed on the inner peripheral side surface 70b of the second hole 85. It has been.
- the ground electrode 73 composed of the upper surface ground electrode 73a and the lower surface ground electrode 73b connected to the shield electrode 71 composed of the first shield electrode 71a and the second shield electrode 71b is connected to a predetermined number of corners of the relay board 3, for example It is provided in the protruding part 70c of the area.
- the housing 70 has a configuration in which, for example, a plurality of conductive vias 72 serving as connection terminal electrodes for connecting the upper and lower surfaces are provided at predetermined positions.
- the present embodiment differs from the second embodiment in that the second shield electrode 71b is provided on the inner peripheral side surface 70b of the second hole 85.
- the first shield electrode 71a corresponds to the shield electrode 11 of the first embodiment.
- the housing 70, the shield electrode 71, and the ground electrode 73 of the relay substrate 3 are formed by the same material and the same method as those of the first embodiment.
- the conductive via 72 is formed by the same material and the same method as those of the second embodiment.
- the conductive via 72 serving as the connection terminal electrode is formed on the upper and lower surfaces of the housing 70 by a plurality of via holes (not shown) formed between the second holes 85 provided on the outer periphery and the inner periphery of the housing 70. Are electrically connected.
- the conductive via 72 is formed in a via hole having lands (not shown) on the upper and lower surfaces of the housing 70 by, for example, copper plating using a plating method.
- the first shield electrode formed in the recess 70a of the relay board 3 that can connect a plurality of circuit boards via the conductive via 72 and the ground electrode 73 with the relay board 3 interposed therebetween.
- the relay substrate 3 having a high electromagnetic shielding function can be obtained by the shield electrode 71.
- the shield electrode 71 formed of the first shield electrode 71a and the second shield electrode 71b of the relay substrate 3 is connected to the conductive via 72 formed in the housing 70 of the relay substrate 3 and the second shield electrode 71b.
- a circuit component mounted on the circuit board can be electromagnetically shielded, so that it is possible to prevent electromagnetic interference such as a signal transmitted through the conductive via and noise from the circuit component.
- the shield performance can be further improved.
- the conductive via 72 and ground electrode 73 of the relay substrate 3 and the circuit board are connected by, for example, solder, anisotropic conductive sheet, anisotropic conductive grease, or the like. As a result, circuit boards can be connected with high reliability.
- the conductive vias having a plurality of lands have been described as being arranged in a line, for example.
- the present invention is not limited to this.
- a conductive paste containing silver (Ag) or the like may be filled in the via hole to form a conductive via without a land, and conductive vias may be arranged in a staggered manner.
- a relay board that can be connected at a fine pitch can be obtained.
- relay substrate 3 is provided with the shield electrode 71 on the recess 70a and the inner peripheral side surface 70b of the second hole 85, an additional part such as a metal case is not required. Can be typed.
- FIGS. 7A to 7C are conceptual diagrams illustrating a method of manufacturing a relay board in the third embodiment of the present invention.
- the same parts and portions as those in FIGS. 7A to 7C are given the same reference numerals and some of them are omitted.
- an insulating mother board 80 made of, for example, glass epoxy resin is prepared.
- a plurality of, for example, elongated first holes 81 provided at least in a predetermined position are formed by punching using, for example, a press machine. Further, for example, a rectangular second hole 85 surrounded by the first hole 81 is formed by punching using, for example, a press machine. Further, a plurality of via holes 82 are formed in the insulating mother board 80 surrounded by the first holes 81 and the second holes 85 by punching using, for example, a press machine. At this time, the first hole 81, the second hole 85, and the via hole 82 may be formed at the same time, or may be formed one after the other! / ⁇ .
- a shield electrode 71 is formed.
- conductive vias 72 are formed by copper soldering, for example, using a soldering method in a plurality of via holes 82 formed in a region sandwiched between the first hole 81 and the second hole 85.
- a predetermined region on the upper and lower surfaces of the insulating mother board 80 for example, a region where the hole tip end portion 81b of the first hole 81 is adjacent to the upper surface ground electrode 73a connected to the shield electrode 71 and the lower surface ground electrode 73b.
- a ground electrode 73 is formed.
- the shield electrode 71, the conductive via 72, and the ground electrode 73 are collectively formed on the insulating mother board 80 by the same method as in the second embodiment, for example, by using a mating method. It is done. Note that the step of forming the shield electrode 71, the conductive via 72, and the ground electrode 73 may be formed in a lump, or may be formed in a plurality of steps.
- shield electrode 71 is formed on the inner peripheral side surface 81a of first hole 81 and inner peripheral side surface 70b of second hole 85 of copper base plate 80 by copper plating.
- the conductive via 72 is formed on the inner peripheral side surface of the plurality of via holes 82 formed in the region sandwiched between the first hole 81 and the second hole 85 by, for example, a copper plating method. In this case, it is preferable to provide lands (not shown) in the conductive vias 72 on the upper and lower surfaces of the insulating mother board 80.
- ground electrode 73 As the ground electrode 73, the top surface ground electrode 73a, the bottom surface ground electrode 73b, and the top and bottom surfaces of the force-insulating mother substrate 80, for example, a plurality of elongated hole tip portions 81b of the first hole 81 and the second hole A pattern connected to the shield electrode 71 is formed in a region surrounded by 85.
- epoxy resin and synthetic rubber, a crosslinking agent, a curing agent, and a filler are combined on the upper and lower surfaces of the insulating mother board and the inner peripheral side surfaces of the first holes and via holes.
- plating treatment may be performed. Thereby, the adhesion strength of the plating to the surface of the insulating mother substrate can be improved.
- the surfaces of the shield electrode, the connection terminal electrode, and the ground electrode on which the pattern is formed may be plated. Thereby, reliability, such as connection stability and moisture resistance, can be improved.
- the first hole 81 formed in the insulating mother board 80 is used, for example, including at least one second hole 85 along the dotted line shown in the drawing.
- the relay substrate 3 is produced by separating and cutting in the region.
- a method of separating and cutting if it is punched, a method such as dicing can be used.
- the first shield electrode 71a and the second shield electrode 71b that can connect a plurality of circuit boards by the separation and cutting.
- the relay substrate 3 including the shield electrode 71 composed of the electrode 71b, the plurality of conductive vias 72, and the ground electrode 73 connected to the shield electrode 71 can be manufactured collectively.
- the ground electrode 73 is preferably provided in the vicinity of the projecting portion 70c formed by separating and cutting the insulating mother substrate 80, as in the above embodiments.
- the relay board that can connect different circuit boards via the first shield electrode, the second shield electrode, the shield electrode that also acts as a force, and the conductive via is insulated.
- the first hole has a long shape and the second hole has a quadrangular shape such as a square.
- the present invention is not limited to this.
- the same effect can be obtained by using a hole with an appropriately designed shape such as a polygon, a shape with a rounded apex, a circular shape, or an elliptical shape.
- the conductive via is described as an example in which lands are formed around the via hole.
- the present invention is not limited to this.
- via holes may be filled with a conductive base such as silver (Ag) and thermally cured.
- a conductive base such as silver (Ag)
- the via hole is conductive Productivity is improved because it can be formed by a simple method of filling the paste and curing it.
- the force described in the example of forming each electrode by using a photolithography technique and an etching technique in combination with an electroless plating method and an electrolytic plating method is not limited to this. Absent.
- any method that can form a pattern with a predetermined film thickness can be applied without particular limitation.
- an insulating protective film such as a resist may be provided except for a portion electrically connected by a conductive via or a ground electrode formed in the housing of the relay substrate. This prevents, for example, short-circuiting due to migration or damage of the electrode during mounting or storage.
- FIG. 10A is a conceptual perspective view showing the configuration of the three-dimensional circuit device according to the fourth embodiment of the present invention
- FIG. 10B is an enlarged view of a portion connecting the circuit boards of FIG. It is a conceptual sectional view.
- the same components and the same parts are denoted by the same reference numerals using the relay board 1 described in the first embodiment.
- FIG. 10A in order to facilitate the explanation, a part of the wiring pattern of the circuit board is omitted, and the relay board sandwiched between the circuit boards may be seen through.
- the three-dimensional circuit device 100 has a configuration in which a first circuit board 101 and a second circuit board 102 are provided to face each other with the relay board 1 interposed therebetween. .
- a circuit component 103 having an IC chip force such as a high-frequency circuit is formed on the first circuit board 101 so as to fit in the second hole 22 of the relay board 1 in the first circuit board 101.
- the wiring pattern 104 is connected to a connection terminal (not shown) by soldering, for example, and mounted at a predetermined position.
- connection terminal electrode 12 provided on the relay board 1 and the connection terminals of the predetermined wiring patterns 104 and 105 provided on the first circuit board 101 and the second circuit board 102 are, for example, solder. Connected with.
- the ground electrode 13 provided on the relay board 1 and the ground wiring patterns 106 and 107 provided on the first circuit board 101 and the second circuit board 102 are connected to each other and grounded to the earth potential. . Further, the ground electrode 13 is connected to the shield electrode 11 provided on the relay substrate 1.
- the circuit component 103 and the connection terminal electrode 12 included in the relay substrate 1 are efficiently shielded from external noise and internal noise generated by the circuit component 103.
- a plurality of circuit boards are connected via a relay board provided with a shield electrode, so that the three-dimensional circuit is thin and excellent in reliability without causing malfunction due to noise or the like.
- a device can be realized.
- an inexpensive three-dimensional circuit device can be obtained by a low-cost relay board excellent in productivity.
- the circuit component is mounted on the first circuit board
- the present invention is not limited to this.
- the circuit components may be mounted on the second circuit board or on both the first circuit board and the second circuit board. This makes it possible to mount many circuit components that require shielding.
- the relay board 1 of the first embodiment has been described. However, the same effect can be obtained by using the relay board described in each of the above embodiments. It is a thing.
- the present invention is not limited to this.
- the region including two or more second holes may be separated and cut using the first hole.
- circuit components that need to be shielded can be shielded independently, so that electromagnetic interference can be prevented in advance. Also, since multiple circuit boards can be relayed separately, it is possible to easily cope with complicated circuit board arrangements. In addition, the mechanical strength of the relay board can be improved and handled easily.
- connection terminal electrode and the conductive via have been described as being provided on the entire circumference so as to surround the second hole, but the present invention is not limited thereto.
- the housing shape is a quadrangle, it may be partially provided such as one side, opposite sides, or three sides.
- the circuit boards can be connected to each other with a thin board having excellent noise resistance. It is useful in technical fields such as portable information devices and small electronic devices that require heightening.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Combinations Of Printed Boards (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/295,119 US8159829B2 (en) | 2006-04-10 | 2007-03-23 | Relay substrate, method for manufacturing the relay substrate and three-dimensional circuit device using the relay substrate |
| CN200780011882XA CN101416567B (zh) | 2006-04-10 | 2007-03-23 | 中继基板、其制造方法及使用其的立体电路装置 |
| JP2008509725A JP4968255B2 (ja) | 2006-04-10 | 2007-03-23 | 中継基板とその製造方法およびそれを用いた立体回路装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006107348 | 2006-04-10 | ||
| JP2006-107348 | 2006-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007116657A1 true WO2007116657A1 (ja) | 2007-10-18 |
Family
ID=38580956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/056051 Ceased WO2007116657A1 (ja) | 2006-04-10 | 2007-03-23 | 中継基板とその製造方法およびそれを用いた立体回路装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8159829B2 (ja) |
| JP (1) | JP4968255B2 (ja) |
| CN (1) | CN101416567B (ja) |
| WO (1) | WO2007116657A1 (ja) |
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| WO2010103591A1 (ja) * | 2009-03-12 | 2010-09-16 | パナソニック株式会社 | 接続構造体、回路装置、及び電子機器 |
| WO2010106601A1 (ja) * | 2009-03-19 | 2010-09-23 | パナソニック株式会社 | 接続構造体、回路装置及び電子機器 |
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| CN113518515B (zh) * | 2021-03-15 | 2023-09-08 | 江西宇睿电子科技有限公司 | 断节金属化边制作方法和电路板 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010103591A1 (ja) * | 2009-03-12 | 2010-09-16 | パナソニック株式会社 | 接続構造体、回路装置、及び電子機器 |
| WO2010106601A1 (ja) * | 2009-03-19 | 2010-09-23 | パナソニック株式会社 | 接続構造体、回路装置及び電子機器 |
| JP5617846B2 (ja) * | 2009-11-12 | 2014-11-05 | 日本電気株式会社 | 機能素子内蔵基板、機能素子内蔵基板の製造方法、及び、配線基板 |
| WO2012056879A1 (ja) * | 2010-10-26 | 2012-05-03 | 株式会社村田製作所 | モジュール基板及びモジュール基板の製造方法 |
| WO2019035392A1 (ja) * | 2017-08-14 | 2019-02-21 | ソニー株式会社 | 電子部品モジュール、その製造方法、内視鏡装置、および移動体カメラ |
| US11444049B2 (en) | 2017-08-14 | 2022-09-13 | Sony Corporation | Electronic component module, method for producing the same, endoscopic apparatus, and mobile camera |
| WO2020090224A1 (ja) * | 2018-10-30 | 2020-05-07 | ソニー株式会社 | 電子機器及び接続部品 |
| US11452201B2 (en) | 2018-10-30 | 2022-09-20 | Sony Corporation | Electronic device and connecting component |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101416567B (zh) | 2011-08-03 |
| US8159829B2 (en) | 2012-04-17 |
| JP4968255B2 (ja) | 2012-07-04 |
| JPWO2007116657A1 (ja) | 2009-08-20 |
| US20090321122A1 (en) | 2009-12-31 |
| CN101416567A (zh) | 2009-04-22 |
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