WO2017056175A1 - 超音波振動接合装置 - Google Patents
超音波振動接合装置 Download PDFInfo
- Publication number
- WO2017056175A1 WO2017056175A1 PCT/JP2015/077423 JP2015077423W WO2017056175A1 WO 2017056175 A1 WO2017056175 A1 WO 2017056175A1 JP 2015077423 W JP2015077423 W JP 2015077423W WO 2017056175 A1 WO2017056175 A1 WO 2017056175A1
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- WIPO (PCT)
- Prior art keywords
- pressing
- ultrasonic vibration
- lead wire
- bonding
- bonding tool
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- H10P72/0428—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
- B23K20/103—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding using a roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/233—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
- B23K20/2333—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer one layer being aluminium, magnesium or beryllium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/24—Preliminary treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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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
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/103—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by bonding or embedding conductive wires or strips
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/328—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/42—Printed circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
- B23K2103/54—Glass
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
- H01B13/01209—Details
-
- 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
- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/0285—Using ultrasound, e.g. for cleaning, soldering or wet treatment
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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
- H05K2203/04—Soldering or other types of metallurgic bonding
- H05K2203/049—Wire bonding
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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
- H05K2203/04—Soldering or other types of metallurgic bonding
- H05K2203/0495—Cold welding
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- H10W72/07141—
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- H10W72/07163—
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- H10W72/07173—
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- H10W72/07183—
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- H10W72/07188—
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- H10W72/07231—
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- H10W72/07233—
Definitions
- the present invention relates to a pressure-type ultrasonic vibration bonding apparatus, and for example, relates to an ultrasonic vibration bonding apparatus that is applied when ultrasonically bonding a lead wire having conductivity on a thin substrate.
- a pressurized ultrasonic vibration joining technique has been adopted.
- the ultrasonic vibration joining technique a workpiece is placed on a predetermined member, and ultrasonic vibration is applied while pressing the workpiece.
- the workpiece is strongly bonded to a predetermined member by the energy of the pressing and ultrasonic vibration.
- a pressure-type ultrasonic vibration bonding technique is employed when mounting electronic components.
- a pressure-type ultrasonic vibration bonding apparatus disclosed in Patent Document 1 is used. Can be mentioned.
- FIGS. 6 and 7 are explanatory views pointing out the problems of the conventional pressurized ultrasonic vibration bonding apparatus 200 disclosed in Patent Document 1.
- FIG. 6 shows a state where the pressing members 29 and 39 are pressing the lead wire 12 during the ultrasonic vibration processing
- FIG. 7 is an enlarged view of the state after the ultrasonic vibration processing viewed from the X-axis direction in FIG. It is. 6 and 7 show the XYZ orthogonal coordinate system.
- ultrasonic vibration (along the X-axis direction) from the contact tip 4t to the ultrasonic bonding point 12p of the lead wire 12 is performed.
- the ultrasonic vibration processing is executed by applying (vibration).
- the pressing members 29 and 39 are connected to a cylinder (not shown).
- the pressing members 29 and 39 are moved in the Z-axis direction ( ⁇ Z direction) in FIG. 1 by the pressing forces F29 and F39 from the cylinder, and apply pressure to the substrate table 10 side. That is, the pressing members 29 and 39 press the pressing portions W29 and W39 of the lead wire 12 existing on both sides of the ultrasonic bonding point 12p (application portion) with the pressing forces F29 and F39 when the ultrasonic vibration processing is executed.
- a pressing process is performed. This pressing process suppresses the phenomenon of lead wire floating (bending) in the lead wire 12.
- the pressing portion W29 by the pressing member 29 extends in the extending direction of the lead wire 12.
- Width in the Y direction is about 10 mm
- gap ⁇ 29 about 1 mm
- ultrasonic bonding point 12p width in the Y direction of the contact tip 4t
- gap ⁇ 39 about 1 mm
- pressing portion W39 Y Direction width 10 mm
- the one pressing portion W29 (W39) and the other pressing portion W39 (W29) between the one and the other ultrasonic bonding points 12p adjacent to each other A gap (hereinafter abbreviated as “gap between joining points”) is also generated between them.
- the regions where the gaps ⁇ 29 and ⁇ 39 are formed (lead wire gap forming region) and the region where the gap between the bonding points is formed (bonding point forming region) are formed by the pressing members 29 and 39. Since neither the pressing process nor the bonding process by the bonding tool 4 is performed, as shown in FIG. 7, there is a possibility that the lead wire floating 12u (deflection) occurs in the lead wire gap forming region ( ⁇ 29 and ⁇ 39) of the lead wire 12. Also, there is a possibility that bending occurs also in the formation region between the junction points.
- An object of the present invention is to provide an ultrasonic vibration bonding apparatus that solves the above-described problems, can reliably eliminate floating of the lead wire, and can accurately bond the lead wire to the substrate. .
- the ultrasonic vibration bonding apparatus is in contact with a substrate table on which a substrate is placed and a conductive lead wire disposed on the substrate while applying a predetermined pressure to the substrate table side.
- First and second pressing mechanisms having a bonding tool for performing ultrasonic vibration processing for applying ultrasonic vibration to the application portion on the lead wire from the tip portion, and first and second pressing rollers capable of rotating operation
- the first and second pressing mechanisms press both sides of the application section on the lead wire by the first and second pressing rollers when the ultrasonic vibration processing is performed by the bonding tool.
- a pressing process is performed, and when the ultrasonic vibration process is not performed by the bonding tool, a rotation operation is performed by the first and second pressing rollers, While pressing the lead wire for moving the lead line, it executes the moving process.
- the lead wire during the ultrasonic vibration processing is bent. Floating can be suppressed.
- a gap is generated between the bonding tool and the first and second pressing rollers, so that the lead wire gap forming region below the gap in the lead wire is bent and the lead wire floats. It remains possible to occur.
- the first and second pressing mechanisms execute a moving process of moving on the lead wire while pressing the lead wire.
- the lead wire gap can be pressed by at least one of the first and second pressing rollers, and the lead wire floating can be surely eliminated and the lead wire can be accurately placed on the substrate. Can be joined.
- the present invention relates to a pressure-type ultrasonic vibration bonding apparatus for ultrasonic vibration bonding of a conductive lead wire on a thin substrate. Further, the thickness of the substrate is, for example, about 2 mm or less.
- the present invention will be specifically described with reference to the drawings showing embodiments thereof.
- FIG. 1 is an explanatory diagram showing the overall configuration of a pressure-type ultrasonic vibration bonding apparatus 100 according to an embodiment of the present invention.
- FIG. 1 is a perspective view of the ultrasonic vibration bonding apparatus 100 viewed obliquely from above. Note that FIG. 1 and FIGS. 2 to 4 shown below show the XYZ orthogonal coordinate system.
- an ultrasonic vibration bonding apparatus 100 includes an (electric) cylinder 1, a bonding tool 4 having a contact tip portion 4t, a vibration horn portion 6, pressing mechanisms 20 and 30, and a substrate table 10 (described later). 1 (not shown).
- the cylinder 1 is connected to the bonding tool 4, and the driving force (pressing force) F1 of the cylinder 1 is transmitted to the bonding tool 4 so that the driving of the bonding tool 4 can be controlled. Specifically, the cylinder 1 can move the bonding tool 4 along the Z-axis direction. Further, the cylinder 1 can apply a predetermined pressure to the lead wire 12 via the contact tip portion 4 t of the bonding tool 4. For example, aluminum is considered as a constituent material of the lead wire 12.
- the bonding tool 4 is supported by a holder (not shown), and the bonding tool is guided in the vertical direction inside the holder.
- a contact tip 4t is disposed at the tip of the bonding tool 4 on the substrate table 10 side.
- a vibration horn unit 6 is connected to the bonding tool 4, and ultrasonic vibration UV generated by an ultrasonic vibrator (not shown) is transmitted to the bonding tool 4 through the vibration horn unit 6.
- the contact tip portion 4t is a portion formed at the tip of the bonding tool 4 and in contact with the workpiece (lead wire 12) during the ultrasonic vibration bonding process.
- a first concavo-convex shape of a predetermined pattern is formed on the contact surface of the contact tip portion 4t with the lead wire 12, and the first concavo-convex shape is further formed on the surface of the first concavo-convex shape.
- a plurality of second uneven shapes smaller than the shape are formed.
- both the side surfaces (surfaces on the Y direction side) of the cylinder 1 connected to the bonding tool 4 are pressed by the pressing mechanisms 20 and 30 (the By being connected to the cylinders 21 and 31), the bonding tool 4 and the pressing mechanisms 20 and 30 are integrally formed.
- the pressing mechanism 20 (first pressing mechanism) includes an (electric) cylinder 21, a pressing member 22, and a pressing roller 23.
- the pressing roller 23 (first pressing roller) is centered on the rotation shaft 22j of the pressing member 22. Rotation is possible.
- the pressing mechanism 30 (second pressing mechanism) includes an (electric) cylinder 31, a pressing member 32, and a pressing roller 33.
- the pressing roller 33 (second pressing roller) is centered on the pressing member 32. Rotation is possible.
- the holding members 22 and 32 are connected to the cylinders 21 and 31. Therefore, the driving force (pressing force) F22 from the cylinder 21 is transmitted to the pressing roller 23 via the pressing member 22, and the pressing roller 23 can be moved in the Z-axis direction ( ⁇ Z direction). Further, the cylinder 21 can apply a predetermined pressure to the lead wire 12 via the pressing roller 23. Similarly, the driving force (pressing force) F32 from the cylinder 31 is transmitted to the pressing roller 33 via the pressing member 32, and the pressing roller 33 can be moved in the Z-axis direction ( ⁇ Z direction). The cylinder 31 can apply a predetermined pressure to the lead wire 12 via the pressing roller 33.
- the pressing rollers 23 and 33 are made of, for example, an elastic body such as rubber, and prevent the lead wire 12 from being damaged by the pressing of the lead wire 12 by the pressing rollers 23 and 33.
- a driving unit (not shown) is connected to the ultrasonic vibration bonding apparatus 100 in which the bonding tool 4 and the pressing mechanisms 20 and 30 are integrated, and the ultrasonic vibration bonding apparatus 100 moves along the apparatus operation direction DR100.
- the moving process to be executed can be executed.
- FIG. 2 is a perspective view showing a state in which the glass substrate 11 is disposed on the substrate table 10 and the lead wires 12 are joined on the glass substrate 11.
- a glass substrate 11 having a solar cell thin film 11g formed on the surface thereof is installed on the substrate table 10, and a lead wire 12 is provided on the solar cell thin film 11g of the glass substrate 11.
- a lead wire 12 is provided on the solar cell thin film 11g of the glass substrate 11.
- at least one or more holes are formed in the upper surface of the substrate table 10, and the glass substrate 11 is fixed to the substrate table 10 by vacuum suction through the holes. .
- the conductive lead wire 12 is disposed on the glass substrate 11 (on the solar cell thin film 11g).
- the bonding tool 4 is generated by the ultrasonic vibrator and obtained via the vibration horn unit 6 while applying a predetermined pressure toward the substrate table 10 to the lead wire 12 by the driving force F1 from the cylinder 1.
- the ultrasonic vibration UV for bonding the lead wire 12 to the glass substrate 11 is executed by applying the ultrasonic vibration UV from the contact tip 4t of the bonding tool 4 onto the ultrasonic bonding point 12p of the lead wire 12.
- FIG. 3 and FIG. 4 are cross-sectional views schematically showing a state when the ultrasonic vibration processing is executed and non-executed by the ultrasonic vibration bonding apparatus according to the present embodiment.
- FIG. 3 shows a pressing process in which the lead wire 12 is pressed by the pressing mechanisms 20 and 30, and
- FIG. 4 shows a moving process by the rotation operation of the pressing rollers 23 and 33 of the pressing mechanisms 20 and 30.
- Is shown. 3 and 4 are both enlarged views of the ultrasonic vibration bonding apparatus 100 as viewed from the lateral direction (X direction side).
- illustration of the solar cell thin film 11g is abbreviate
- a thin glass substrate 11 having a solar cell thin film 11g formed on the surface thereof is placed on the substrate table 10. Then, the glass substrate 11 is fixed to the substrate table 10 by vacuum suction through a hole (not shown) provided in the substrate table 10.
- a conductive thin film lead wire 12 is turned on a reel (not shown).
- the lead wire 12 is pulled out from the reel, and the drawn lead wire 12 is arranged at a predetermined location on the glass substrate 11 (the solar cell thin film 11g).
- a pressing process is performed in which the pressing rollers 23 and 33 of the pressing mechanisms 20 and 30 are pressed against the lead wire 12 (pressed toward the substrate table 10) by the pressing forces F22 and F32 of the cylinders 21 and 31.
- the pressing rollers 23 and 33 press the lead wire 12 so as to sandwich the ultrasonic bonding point 12p where the pressure type ultrasonic vibration bonding is performed. That is, the pressing rollers 23 and 33 press both sides of the ultrasonic bonding point 12p, which is an application part of the ultrasonic vibration UV in the lead wire 12, to the substrate table 10 side.
- the bonding tool 4 is lowered toward the lead wire 12 by the driving force F1 of the cylinder 1 while the lead wire 12 is being pressed by the pressing rollers 23 and 33. Furthermore, when the contact tip 4t of the bonding tool 4 contacts the lead wire 12, a predetermined pressure is applied to the lead wire 12 on the substrate table 10 side by the driving force F1 of the cylinder 1.
- ultrasonic vibration UV is generated in the vibrator.
- the generated ultrasonic vibration UV is transmitted to the bonding tool 4 via the vibration horn unit 6.
- the contact tip 4t of the bonding tool 4 has an ultrasonic vibration UV having a predetermined frequency (for example, 20 to 40 kHz) and amplitude (less than 10 ⁇ m, for example, about 4 to 5 ⁇ m from the viewpoint of preventing damage to the glass substrate 11). I do.
- the vibration direction of the ultrasonic vibration UV is, for example, a direction parallel to the Y-axis direction (that is, the extending direction of the lead wire 12), the direction parallel to the X-axis (that is, the width of the lead wire 12). Walking).
- the ultrasonic vibration UV is applied to the ultrasonic bonding point 12p of the lead wire 12 through the contact tip portion 4t.
- the holding mechanism 20 extends in the extending direction (Y direction) of the lead wire 12.
- a gap ⁇ S2 about 1 mm
- an ultrasonic vibration bonding construction portion width in the Y direction of the contact tip portion 4t
- the contact tip portion 4t and the press roller 33
- a gap ⁇ S3 about 1 mm
- the pressing process of the pressing mechanisms 20 and 30 is performed so that the pressure applied to the lead wires 12 by the pressing rollers 23 and 33 does not damage the thin glass substrate 11, and the material and thickness of the glass substrate 11 are reduced. Although it depends, for example, the pressure is set to about 10 kg. Note that the pressing rollers 23 and 33 of the pressing mechanisms 20 and 30 are in contact with only the lead wire 12 and do not contact the glass substrate 11 (solar cell thin film 11g) during pressing.
- the glass substrate 11 is pressed against the substrate table 10 by pressing the lead wire 12 with the pressing rollers 23 and 33. Accordingly, the glass substrate 11 is more firmly fixed to the substrate table 10, and the glass substrate 11 can be prevented from moving with respect to the substrate table 10 when the pressure type ultrasonic vibration bonding to the lead wire 12 is performed. .
- the glass substrate 11 is firmly fixed, only the lead wire 12 can be ultrasonically vibrated. That is, the ultrasonic vibration energy by the bonding tool 4 can be efficiently converted into the friction energy at the contact portion between the glass substrate 11 and the lead wire 12. Therefore, it becomes possible to perform the joining of the lead wire 12 and the glass substrate 11 by ultrasonic vibration more efficiently in a shorter time.
- the formation region of these gaps ⁇ S2 and ⁇ S3 (hereinafter referred to as “lead wire gap formation region”) in the lead wire 12.
- the lead wire 12 may float (bend) in the lead wire 12 for the same reason as the gaps ⁇ 29 and ⁇ 39 shown in FIG.
- the interval between the ultrasonic bonding points 12p is set to be relatively wide, there is a possibility that the lead wire 12 may float in the lead wire 12 in the formation region between the bonding points.
- the ultrasonic vibration bonding apparatus 100 executes a movement process of the holding mechanisms 20 and 30 that is performed when the ultrasonic vibration process is not executed.
- the bonding tool 4 is moved in the Z-axis direction (+ Z direction) by the driving force F1 from the cylinder 1 to be lifted from the substrate table 10 side.
- the ultrasonic vibration bonding apparatus 100 moves the bonding tool 4 upward by the driving force F1 of the cylinder 1 after performing the ultrasonic vibration processing for bonding the lead wire 12 to the glass substrate 11, and leads the lead wire.
- the contact state with 12 is released.
- the pressure applied to the lead wire 12 by the pressing rollers 23 and 33 of the pressing mechanisms 20 and 30 is such that the thin glass substrate 11 is not damaged, and the pressing force about the rotary shafts 22j and 23j on the lead wire 12 is set.
- a rotation operation (rotational directions R23 and R33) by the rollers 23 and 33 is executed, and the pressing mechanisms 20 and 30 are set on the lead wire 12 together with the bonding tool 4 while the lead wire 12 is pressed.
- a moving process for moving the ultrasonic vibration bonding apparatus 100 along the apparatus operation direction DR100 is executed by a driving unit (not shown) connected to the ultrasonic vibration bonding apparatus 100.
- the ultrasonic vibration bonding apparatus is relatively disposed in relation to the substrate table 10 by moving the substrate table 10 on which the glass substrate 11 is vacuum-fixed and fixed along the apparatus operation direction DR100 without providing a driving unit.
- the movement process along the apparatus operation direction DR100 by 100 may be executed.
- the moving process of the ultrasonic vibration bonding apparatus 100 is executed by the pressing rollers 23 and 33 moving on the lead wire 12 along the apparatus operation direction DR100 by the rotation operation by the pressing rollers 23 and 33. Then, the moving process is stopped in a state where the contact tip portion 4t of the bonding tool 4 is positioned above the next ultrasonic bonding point 12p to which the ultrasonic vibration is applied.
- the pressing mechanisms 20 and 30 (first and second pressing mechanisms) of the ultrasonic vibration bonding apparatus 100 according to the present embodiment are configured so that the lead wire 12 is moved after the ultrasonic vibration processing by the bonding tool 4 is performed. While pressing, the pressing rollers 23 and 33 perform a moving process of moving on the lead wire 12 (including the lead wire gap forming area and the lead wire gap forming area when the latest ultrasonic vibration process is executed).
- the lead wire gap forming region and the bonding point forming region are formed by at least one of the pressing rollers 23 and 33 (first and second pressing rollers).
- the top can be pressed.
- the lead wire floating generated in the lead wire 12 can be reliably eliminated during the movement process of the ultrasonic vibration bonding apparatus 100, and the lead wire 12 can be bonded to the glass substrate 11 with high accuracy.
- FIG. 5 is a block diagram schematically showing a control system of the ultrasonic vibration bonding apparatus 100.
- the ultrasonic vibration bonding apparatus 100 further includes a control unit 15, which controls the driving of the cylinders 1, 21 and 31, the drive unit 16, and the ultrasonic transducer 17. ing.
- the drive unit 16 performs a moving process for moving the entire ultrasonic vibration bonding apparatus 100 in the apparatus operation direction DR100, and the ultrasonic vibrator 17 applies ultrasonic vibration UV to the bonding tool 4 via the vibration horn unit 6.
- the given ultrasonic vibration processing is executed.
- the control unit 15 can variably control the pressing forces F22 and F23 of the pressing rollers 23 and 33 by controlling the driving of the cylinders 21 and 31, and can also control the ultrasonic vibration bonding by controlling the driving unit 16.
- the movement process of the device 100 along the device operation direction DR100 can be controlled.
- control unit 15 controls the driving of the cylinder 1 to control the driving force F1 along the Z-axis direction to the bonding tool 4, and controls the ultrasonic vibrator 17 to perform ultrasonic vibration processing of the bonding tool 4.
- the control unit 15 variably controls the pressing forces F23 and F33 by the pressing mechanisms 20 and 30 via the cylinders 21 and 31 in accordance with an instruction from the user. Specifically, when each piece of information (the glass substrate 11 itself and the material and thickness of each film constituting the solar cell thin film 11g, conditions for ultrasonic vibration bonding processing, etc.) is input to the control unit 15, The pressing forces F23 and F33 of the pressing mechanisms 20 and 30 can be controlled by the pressing force determined from the preset information table and the above information.
- a pressing force is uniquely defined for each piece of information.
- the pressing forces F23 and F33 by the pressing mechanisms 20 and 30 and the condition of the ultrasonic vibration bonding process by the bonding tool 4 are variably controlled. Therefore, depending on the thickness and material of the glass substrate 11 and the solar cell thin film 11g, the pressing forces F23 and F33 by the pressing mechanisms 20 and 30, the driving content of the driving unit 16, and the bonding tool 4 (cylinder 1, ultrasonic vibration) The conditions of the ultrasonic vibration bonding process by the child 17) can be changed as appropriate.
- the ultrasonic vibration bonding apparatus 100 of the present embodiment reliably eliminates the possibility of the lead wire floating in the lead wire 12 without affecting the glass substrate 11 (including the solar cell thin film 11g).
- the pressing forces F2 and F33, the driving content of the driving unit 16, and the conditions of the ultrasonic vibration bonding process can be appropriately changed so that the lead wire 12 is bonded onto the glass substrate 11.
- the above effect can be obtained by controlling at least the pressing forces F23 and F33 by the pressing mechanisms 20 and 30 by the control unit 15.
- the glass substrate 11 is shown as the substrate on which the lead wires 12 are formed.
- the substrate may be configured by a thin member such as ceramic, silicon, or epoxy.
- aluminum was shown as a constituent material of the lead wire 12 having conductivity, other conductive materials may be adopted as the constituent material.
- the ultrasonic vibration bonding apparatus 100 has a configuration in which the bonding tool 4 and the pressing mechanisms 20 and 30 are integrally formed. However, the bonding tool 4 and the pressing mechanisms 20 and 30 are separated from each other to generate ultrasonic waves.
- a vibration bonding apparatus may be configured. In this case, the bonding tool 4 and the pressing mechanisms 20 and 30 perform the movement process independently of each other.
- the electric cylinder was shown as the cylinders 1, 21, and 31, it is not limited to this.
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- Microelectronics & Electronic Packaging (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
Description
(全体構成)
図1は、この発明における実施の形態である加圧式の超音波振動接合装置100の全体構成を示す説明図である。図1は、超音波振動接合装置100を斜め上方から視た斜視図である。なお、図1及び以降に示す図2~図4にXYZ直交座標系を示している。
図2は基板テーブル10上にガラス基板11が配置され、ガラス基板11上にリード線12が接合された状態を示す斜視図である。
図3及び図4は本実施の形態の超音波振動接合装置による超音波振動処理の実行時及び非実行時の状態を模式的に示す断面図である。具体的には、図3は、当該押さえ機構20及び30によりリード線12を押圧している押圧処理を示し、図4は、押さえ機構20及び30の押さえローラ23及び33の回転動作による移動処理を示している。図3及び図4は共に、超音波振動接合装置100を横方向(X方向側)から見た拡大図である。なお、図3及び図4において太陽電池薄膜11gの図示を省略している。
図5は超音波振動接合装置100の制御系を模式的に示すブロック図である。同図に示すように、超音波振動接合装置100は制御部15をさらに有しており、制御部15において、シリンダ1、21及び31、駆動部16並びに超音波振動子17の駆動を制御している。なお、駆動部16は超音波振動接合装置100全体を装置操作方向DR100方向に移動させる移動処理を実行し、超音波振動子17は振動ホーン部6を介してボンディングツール4に超音波振動UVを与える超音波振動処理を実行する。
上述した実施の形態では、リード線12が形成される基板としてガラス基板11を示したが、ガラス基板11に代えて、セラミック、シリコン、エポキシなどの薄厚の部材で基板を構成しても良い。また、導電性を有するリード線12の構成材料としてアルミニウムを示したが、他の導電性を有する材料を構成材料として採用しても良い。
4 ボンディングツール
4t 当接先端部
6 振動ホーン部
10 基板テーブル
11 ガラス基板
12 リード線
15 制御部
16 駆動部
17 超音波振動子
20,30 押さえ機構
23,33 押さえローラ
Claims (2)
- 基板(11)を載置する基板テーブル(10)と、
前記基板上に導電性を有するリード線(12)を配置した状態で、前記基板テーブル側に所定の圧力を加えながら、当接先端部(4t)から前記リード線上の印加部(12p)に超音波振動を印加する超音波振動処理を実行するボンディングツール(4)と、
回転動作が可能な第1及び第2の押さえローラ(23,33)を有する第1及び第2の押さえ機構(20,30)とを備え、
前記第1及び第2の押さえ機構は、
前記ボンディングツールによる前記超音波振動処理の実行時に、前記リード線上における前記印加部の両側を前記第1及び第2の押さえローラによって押圧する押圧処理を実行し、
前記ボンディングツールによる前記超音波振動処理の非実行時に、前記第1及び第2の押さえローラによる回転動作を実行させ、前記リード線を押圧しつつ前記リード線上を移動する、移動処理を実行する、
超音波振動接合装置。 - 請求項1記載の超音波振動接合装置であって、
前記第1及び第2の押さえ機構を制御する制御部(15)をさらに備え、
前記制御部は、
前記第1及び第2の押さえローラによる押圧力を可変に制御することを特徴とする、
超音波振動接合装置。
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201580083461.2A CN108140584B (zh) | 2015-09-29 | 2015-09-29 | 超声波振动接合装置 |
| HK18109207.0A HK1249803B (zh) | 2015-09-29 | 超声波振动接合装置 | |
| PCT/JP2015/077423 WO2017056175A1 (ja) | 2015-09-29 | 2015-09-29 | 超音波振動接合装置 |
| JP2017542546A JP6480595B2 (ja) | 2015-09-29 | 2015-09-29 | 超音波振動接合装置 |
| DE112015006985.2T DE112015006985B4 (de) | 2015-09-29 | 2015-09-29 | Ultraschallvibrationsverbindungsgerät |
| US15/762,254 US10953487B2 (en) | 2015-09-29 | 2015-09-29 | Ultrasonic vibration bonding apparatus |
| KR1020187007581A KR102100067B1 (ko) | 2015-09-29 | 2015-09-29 | 초음파 진동 접합 장치 |
| TW105103750A TWI615227B (zh) | 2015-09-29 | 2016-02-04 | 超音波振動接合裝置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/077423 WO2017056175A1 (ja) | 2015-09-29 | 2015-09-29 | 超音波振動接合装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017056175A1 true WO2017056175A1 (ja) | 2017-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2015/077423 Ceased WO2017056175A1 (ja) | 2015-09-29 | 2015-09-29 | 超音波振動接合装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10953487B2 (ja) |
| JP (1) | JP6480595B2 (ja) |
| KR (1) | KR102100067B1 (ja) |
| CN (1) | CN108140584B (ja) |
| DE (1) | DE112015006985B4 (ja) |
| TW (1) | TWI615227B (ja) |
| WO (1) | WO2017056175A1 (ja) |
Cited By (1)
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|---|---|---|---|---|
| AU2018422116A9 (en) * | 2018-09-20 | 2021-05-13 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Ultrasonic vibration welding apparatus |
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|---|---|---|---|---|
| EP4269019B1 (en) * | 2017-04-04 | 2025-07-09 | Kulicke and Soffa Industries, Inc. | Ultrasonic welding system and method of operating an ultrasonic welding system |
| EP3603826B1 (en) * | 2018-07-31 | 2023-05-10 | Infineon Technologies AG | Method for calibrating an ultrasonic bonding machine |
| JP6769689B1 (ja) * | 2019-06-28 | 2020-10-14 | 東芝三菱電機産業システム株式会社 | 剥離把持装置、剥離検査装置及び超音波振動接合システム |
| CN111347148A (zh) * | 2020-01-15 | 2020-06-30 | 吉林大学 | 铁素体不锈钢超声波辅助焊接装置及方法 |
| KR20220160553A (ko) * | 2020-03-29 | 2022-12-06 | 쿨리케 앤드 소파 인더스트리즈, 인코포레이티드 | 와이어 본딩 머신 상의 지지 구조에 대한 반도체 소자의 클램핑 최적화 방법, 및 관련된 방법 |
| EP3974121A1 (de) * | 2020-09-23 | 2022-03-30 | Liebherr-Verzahntechnik GmbH | Vorrichtung zum automatisierten herstellen einer steckverbindung |
| CN115846451A (zh) * | 2022-11-07 | 2023-03-28 | 烟台产研鑫合新材料有限公司 | 拉拔、辊压、超声摩擦固结复合式铜基复合材料制备工艺 |
| CN117583715A (zh) * | 2023-12-04 | 2024-02-23 | 江苏阳帆机电设备制造有限公司 | 一种高速复合焊接不锈钢与异种金属的自动化设备 |
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- 2015-09-29 JP JP2017542546A patent/JP6480595B2/ja active Active
- 2015-09-29 DE DE112015006985.2T patent/DE112015006985B4/de active Active
- 2015-09-29 KR KR1020187007581A patent/KR102100067B1/ko active Active
- 2015-09-29 CN CN201580083461.2A patent/CN108140584B/zh active Active
- 2015-09-29 WO PCT/JP2015/077423 patent/WO2017056175A1/ja not_active Ceased
- 2015-09-29 US US15/762,254 patent/US10953487B2/en active Active
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2016
- 2016-02-04 TW TW105103750A patent/TWI615227B/zh active
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Also Published As
| Publication number | Publication date |
|---|---|
| KR102100067B1 (ko) | 2020-04-10 |
| DE112015006985B4 (de) | 2023-10-12 |
| KR20180040691A (ko) | 2018-04-20 |
| JP6480595B2 (ja) | 2019-03-13 |
| US20180272463A1 (en) | 2018-09-27 |
| JPWO2017056175A1 (ja) | 2018-05-10 |
| TWI615227B (zh) | 2018-02-21 |
| US10953487B2 (en) | 2021-03-23 |
| TW201711778A (en) | 2017-04-01 |
| CN108140584B (zh) | 2021-06-01 |
| HK1249803A1 (zh) | 2018-11-09 |
| CN108140584A (zh) | 2018-06-08 |
| DE112015006985T5 (de) | 2018-06-07 |
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