US20180228033A1 - Electrical Connection Method of Printed Circuit and Electrical Connection Structure of Printed Circuit - Google Patents

Electrical Connection Method of Printed Circuit and Electrical Connection Structure of Printed Circuit Download PDF

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Publication number
US20180228033A1
US20180228033A1 US15/878,063 US201815878063A US2018228033A1 US 20180228033 A1 US20180228033 A1 US 20180228033A1 US 201815878063 A US201815878063 A US 201815878063A US 2018228033 A1 US2018228033 A1 US 2018228033A1
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United States
Prior art keywords
printed circuit
base material
hole
electrical connection
thin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/878,063
Inventor
Mizuki SHIRAI
Hiroki Kondo
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Yazaki Corp
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Yazaki Corp
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Publication date
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Assigned to YAZAKI CORPORATION reassignment YAZAKI CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KONDO, HIROKI, SHIRAI, MIZUKI
Priority to US16/040,596 priority Critical patent/US10485110B2/en
Publication of US20180228033A1 publication Critical patent/US20180228033A1/en
Abandoned legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/40Forming printed elements for providing electric connections to or between printed circuits
    • H05K3/4038Through-connections; Vertical interconnect access [VIA] connections
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/36Assembling printed circuits with other printed circuits
    • H05K3/361Assembling flexible printed circuits with other printed circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural 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
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/52Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/04Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation using electrically conductive adhesives
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/09Use of materials for the conductive, e.g. metallic pattern
    • H05K1/092Dispersed materials, e.g. conductive pastes or inks
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/11Printed elements for providing electric connections to or between printed circuits
    • H05K1/115Via connections; Lands around holes or via connections
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/40Forming printed elements for providing electric connections to or between printed circuits
    • H05K3/4038Through-connections; Vertical interconnect access [VIA] connections
    • H05K3/4053Through-connections; Vertical interconnect access [VIA] connections by thick-film techniques
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/04Assemblies of printed circuits
    • H05K2201/041Stacked PCBs, i.e. having neither an empty space nor mounted components in between
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/09218Conductive traces
    • H05K2201/09236Parallel layout
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/095Conductive through-holes or vias
    • H05K2201/09563Metal filled via
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/095Conductive through-holes or vias
    • H05K2201/09618Via fence, i.e. one-dimensional array of vias
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/09654Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
    • H05K2201/0979Redundant conductors or connections, i.e. more than one current path between two points
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/10Apparatus 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
    • H05K3/12Apparatus 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 using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
    • H05K3/1216Apparatus 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 using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by screen printing or stencil printing

Definitions

  • the present invention relates to an electrical connection method of a printed circuit and an electrical connection structure of the printed circuit.
  • a printed wiring board in which a through hole is formed in an insulating base material, the through hole is filled with conductive paste to form a via, and a circuit is formed to be overlapped with the via on both surfaces of the insulating base material (see, for example, JP-A-2016-25329).
  • the printed circuit and the thin conductor of the FFC are electrically connected, first the printed circuit is formed in the base material, a coated portion of the FFC is peeled off to expose the thin conductor, and then the printed circuit printed on the base material and the exposed conductive portion of the FFC are bonded by a conductive adhesive and cured. Therefore, there are necessary the procedures of the forming of the printed circuit, the peeling, the applying of the conductive adhesive, and the curing. For this reason, it cannot be said that manufacturability is good.
  • circuits to be connected are disposed at a narrow pitch, the adjacent circuits come to be short-circuited if an anisotropic conductive adhesive is not used. Therefore, there is desired an electrical connection method which is simpler and reduces a possibility of a short circuit.
  • One or more embodiments provide an electrical connection method of a printed circuit and an electrical connection structure of the printed circuit which is simpler and is able to reduce a possibility of a short circuit.
  • an electrical connection method of a printed circuit includes overlapping a base material and a thin member in which a thin conductor is mounted, forming a through hole which passes through the base material overlapped with the thin member in the overlapping and reaches the thin conductor of the thin member, and forming the printed circuit on the base material by a screen printing method using conductive paste.
  • the through hole formed in the forming of the through hole is filled with the conductive paste in the forming of the printed circuit.
  • a through hole is filled with a conductive paste when a printed circuit is formed on a base material. Therefore, it is possible to perform an electrical connection using at least the forming of the printed circuit, resulting in simplification of the manufacturing procedure. Further, since the conductive adhesive is not applied on the printed circuit formed on the base material, a short circuit occurring between the printed circuit and the adjacent thin conductor due to flowing out of the conductive adhesive is also prevented. Therefore, it is possible to provide the electrical connection method of the printed circuit which is simpler and reduces a possibility of the short circuit.
  • the thin member in the overlapping may be a flat shield cable covered with a shield member except one portion of the thin member.
  • a first through hole may be formed to pass through the base material overlapped in the overlapping and to open the one portion of the thin member so as to reach the thin conductor, a second through hole may be formed to pass through the base material overlapped in the overlapping to reach the shield member.
  • a plurality of through holes are formed, and one circuit in the printed circuit is electrically connected to the thin conductor through the plurality of through holes, so that it is possible to stabilize the electrical connection and to improve flexibility.
  • an electrical connection structure of a printed circuit including a thin member in which a thin conductor is mounted, a base material which is placed on the thin member, and a printed circuit which is formed on the base material.
  • a through hole is formed in the base material. The through hole passes through the base material and reaches the thin conductor of the thin member.
  • the printed circuit is formed on the through hole in the base material. The through hole is filled with the same conductive member as the printed circuit.
  • the through hole which passes through the base material and reaches the thin conductor of the thin member is filled with the same conductive member as the printed circuit. Therefore, when the printed circuit is formed with the conductive member, the through hole can be filled with the conductive member, and thus it is possible to simplify the manufacturing procedure. Further, since the conductive adhesive is not applied on the printed circuit formed on the base material, the short circuit occurring between the printed circuit and the adjacent thin conductor due to flowing out of the conductive adhesive is also prevented. Therefore, it is possible to provide the electrical connection structure of the printed circuit which can be manufactured with a simpler procedure and reduce the possibility of a short circuit.
  • FIG. 3 is a process diagram illustrating an electrical connection method according to a comparative example.
  • FIGS. 4A to 4C are cross-sectional views illustrating an electrical connection method of the printed circuit according to the embodiment.
  • FIG. 4A illustrates a first step.
  • FIG. 4B illustrates a second step.
  • FIG. 4C illustrates a third step.
  • FIG. 5 is a perspective view illustrating an electrical connection structure of the printed circuit according to a second embodiment.
  • FIGS. 6A to 6C are cross-sectional views illustrating an electrical connection method of the printed circuit according to the second embodiment.
  • FIG. 6A illustrates a first step.
  • FIG. 6B illustrates a second step.
  • FIG. 6C illustrates a third step.
  • FIG. 7 is a perspective view illustrating an electrical connection structure of the printed circuit according to a third embodiment.
  • the electrical connection method there are necessary the procedures of the forming of the printed circuit, and the peeling, the applying of the conductive adhesive 140 , and the curing.
  • the conductive adhesive 140 spreads out to the adjacent circuits, and thus the adjacent circuits come to be short-circuited if the anisotropic conductive adhesive is not used.
  • FIGS. 4A to 4C are cross-sectional views illustrating the electrical connection method of the printed circuit 30 according to the embodiment, in which FIG. 4A illustrates a first step, FIG. 4B illustrates a second step, and FIG. 4C illustrates a third step.
  • the base material 20 and the FFC 10 are first overlapped as illustrated in FIG. 4A .
  • the through hole Th is formed by a drill D from the base material 20 after the base material 20 and the FFC 10 are fixed using a tool.
  • the through hole Th is formed while controlling a pushing amount of the drill D, and the coated portion 12 of the FFC 10 is also partially passed through while the base material 20 is passed through. Therefore, the through hole Th reaches the conductor 11 of the FFC 10 .
  • the printed circuit 30 is formed on the base material 20 by the screen printing method using conductive paste (conductive ink, the conductive adhesive 140 , etc.).
  • the printed circuit 30 in the embodiment is formed on the through hole Th of the base material 20 . Therefore, the through hole Th is filled with the conductive paste at the same time as the printed circuit 30 is formed.
  • the procedure of forming the printed circuit 30 is used to perform the electrical connection in the electrical connection method according to the embodiment. Further, the conductive adhesive 140 is not applied on the printed circuit 30 formed on the base material 20 , and thus the short circuit due to flowing out of the conductive adhesive 140 is also prevented.
  • three circuits are formed on the base material 20 in accordance with the number of the through holes Th 1 and Th 2 , but the number is not particularly limited thereto.
  • the printed circuit 30 is formed on the base material 20 by the screen printing method using the conductive paste (conductive ink or a conductive adhesive).
  • the signal line 31 is formed to pass through the first through hole Th 1 . Therefore, the first through hole Th 1 is filled with the conductive paste.
  • the ground line 32 is formed to pass through the second through hole Th 2 . Therefore, the second through hole Th 2 is filled with the conductive paste.
  • the signal line 31 and the ground line 32 are formed on the base material 20 at the same time.
  • the printed circuit 30 (particularly one circuit of the printed circuit 30 ) formed on the base material 20 is printed to pass through the plurality of through holes Th, and the plurality of through holes Th are filled with the same conductive member CM as the printed circuit 30 (particularly one circuit of the printed circuit 30 ).
  • the printed circuit 30 is formed on the base material 20 by the screen printing method using the conductive paste. At this time, the printed circuit 30 is formed to pass through the plurality of through holes Th, and the plurality of through holes Th are collectively filled with the conductive paste. Therefore, one circuit in the printed circuit 30 is electrically connected to the conductor 11 through the plurality of through holes Th.
  • the FFC 10 and the flat shield cable 40 are exemplified as a thin member in the above embodiments, but the invention is not limited thereto, and the thin member may be an FPC.
  • the base material 20 and the thin member are assumed as a flexible member, but the invention is not limited thereto, and the base material and the thin member may be configured such that either one has flexibility or the other is a highly-rigid member having no flexibility.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Combinations Of Printed Boards (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

An electrical connection method of a printed circuit includes overlapping a base material and a thin member in which a thin conductor is mounted, forming a through hole which passes through the base material overlapped with the thin member in the overlapping and reaches the thin conductor of the thin member, and forming a printed circuit on the base material by a screen printing method using conductive paste. The through hole formed in the forming of the through hole is filled with the conductive paste in the forming of the printed circuit.

Description

    CROSS REFERENCE TO RELATED APPLICATIONS
  • This application claims priority from Japanese Patent Application No. 2017-021021 filed on Feb. 8, 2017, the entire contents of which are incorporated herein by reference.
  • BACKGROUND OF THE INVENTION Field of the Invention
  • The present invention relates to an electrical connection method of a printed circuit and an electrical connection structure of the printed circuit.
  • Description of Related Art
  • In the related art, a printed wiring board is proposed in which a through hole is formed in an insulating base material, the through hole is filled with conductive paste to form a via, and a circuit is formed to be overlapped with the via on both surfaces of the insulating base material (see, for example, JP-A-2016-25329).
  • [Patent Document 1] JP-A-2016-25329
  • According to a related art, there is an electrical connection between a printed circuit which is printed on a base material and a thin conductor which is mounted in a thin member such as an FPC (Flexible Printed Circuit) and an FFC (Flexible Flat Cable).
  • For example, in a case where the printed circuit and the thin conductor of the FFC are electrically connected, first the printed circuit is formed in the base material, a coated portion of the FFC is peeled off to expose the thin conductor, and then the printed circuit printed on the base material and the exposed conductive portion of the FFC are bonded by a conductive adhesive and cured. Therefore, there are necessary the procedures of the forming of the printed circuit, the peeling, the applying of the conductive adhesive, and the curing. For this reason, it cannot be said that manufacturability is good. In particular, in a case where circuits to be connected are disposed at a narrow pitch, the adjacent circuits come to be short-circuited if an anisotropic conductive adhesive is not used. Therefore, there is desired an electrical connection method which is simpler and reduces a possibility of a short circuit.
  • SUMMARY
  • One or more embodiments provide an electrical connection method of a printed circuit and an electrical connection structure of the printed circuit which is simpler and is able to reduce a possibility of a short circuit.
  • In accordance with one or more embodiments, an electrical connection method of a printed circuit, includes overlapping a base material and a thin member in which a thin conductor is mounted, forming a through hole which passes through the base material overlapped with the thin member in the overlapping and reaches the thin conductor of the thin member, and forming the printed circuit on the base material by a screen printing method using conductive paste. The through hole formed in the forming of the through hole is filled with the conductive paste in the forming of the printed circuit.
  • According to one or more embodiments, a through hole is filled with a conductive paste when a printed circuit is formed on a base material. Therefore, it is possible to perform an electrical connection using at least the forming of the printed circuit, resulting in simplification of the manufacturing procedure. Further, since the conductive adhesive is not applied on the printed circuit formed on the base material, a short circuit occurring between the printed circuit and the adjacent thin conductor due to flowing out of the conductive adhesive is also prevented. Therefore, it is possible to provide the electrical connection method of the printed circuit which is simpler and reduces a possibility of the short circuit.
  • In the electrical connection method of the printed circuit of one or more embodiments, the thin member in the overlapping may be a flat shield cable covered with a shield member except one portion of the thin member. In the forming of the through hole, a first through hole may be formed to pass through the base material overlapped in the overlapping and to open the one portion of the thin member so as to reach the thin conductor, a second through hole may be formed to pass through the base material overlapped in the overlapping to reach the shield member. In the forming of the printed circuit, the first through hole may be filled with the conductive paste when a signal line is formed as a first printed circuit on the base material, and the second through hole is filled with the conductive paste when a ground line is formed as a second printed circuit on the base material at the same time as the signal line is formed.
  • According to one or more embodiments, a first through hole reaching a thin conductor is filled with the conductive paste when a signal line is formed, and a second through hole which passes through the base material and reaches a shield member is filled with the conductive paste when a ground line is formed at the same time as the signal line is formed. Therefore, a procedure of forming the signal line, a procedure of forming the ground line, a procedure of electrically connecting the thin conductor and the signal line through the first through hole, and the procedure of electrically connecting the shield member and the ground line through the second through hole can be performed at the same time, so that it is possible to provide the electrical connection method of the printed circuit which can simplify the manufacturing still more.
  • In the electrical connection method of the printed circuit of one or more embodiments, in the forming of the through hole, a plurality of through holes may be formed. In the forming of the printed circuit, the plurality of through holes may be collectively filled with the conductive paste so as to electrically connect one circuit in the printed circuit to the thin conductor through the plurality of through holes when the printed circuit is formed on the base material.
  • According to one or more embodiments, a plurality of through holes are formed, and one circuit in the printed circuit is electrically connected to the thin conductor through the plurality of through holes, so that it is possible to stabilize the electrical connection and to improve flexibility.
  • According to one or more embodiments, an electrical connection structure of a printed circuit including a thin member in which a thin conductor is mounted, a base material which is placed on the thin member, and a printed circuit which is formed on the base material. A through hole is formed in the base material. The through hole passes through the base material and reaches the thin conductor of the thin member. The printed circuit is formed on the through hole in the base material. The through hole is filled with the same conductive member as the printed circuit.
  • According to one or more embodiments, the through hole which passes through the base material and reaches the thin conductor of the thin member is filled with the same conductive member as the printed circuit. Therefore, when the printed circuit is formed with the conductive member, the through hole can be filled with the conductive member, and thus it is possible to simplify the manufacturing procedure. Further, since the conductive adhesive is not applied on the printed circuit formed on the base material, the short circuit occurring between the printed circuit and the adjacent thin conductor due to flowing out of the conductive adhesive is also prevented. Therefore, it is possible to provide the electrical connection structure of the printed circuit which can be manufactured with a simpler procedure and reduce the possibility of a short circuit.
  • According to one or more embodiments, it is possible to provide an electrical connection method of a printed circuit and an electrical connection structure of the printed circuit which is simpler and is able to reduce a possibility of a short circuit.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a perspective view illustrating an electrical connection structure of a printed circuit according to an embodiment.
  • FIG. 2 is a cross-sectional view taken along line A-A illustrated in FIG. 1.
  • FIG. 3 is a process diagram illustrating an electrical connection method according to a comparative example.
  • FIGS. 4A to 4C are cross-sectional views illustrating an electrical connection method of the printed circuit according to the embodiment. FIG. 4A illustrates a first step. FIG. 4B illustrates a second step. FIG. 4C illustrates a third step.
  • FIG. 5 is a perspective view illustrating an electrical connection structure of the printed circuit according to a second embodiment.
  • FIGS. 6A to 6C are cross-sectional views illustrating an electrical connection method of the printed circuit according to the second embodiment. FIG. 6A illustrates a first step. FIG. 6B illustrates a second step. FIG. 6C illustrates a third step.
  • FIG. 7 is a perspective view illustrating an electrical connection structure of the printed circuit according to a third embodiment.
  • FIG. 8 is a cross-sectional view taken along line B-B illustrated in FIG. 7.
  • DETAILED DESCRIPTION
  • Exemplary embodiments are described with reference to preferred embodiments. The invention is not limited to the embodiments below, and may be appropriately changed within a scope not departing from the spirit of the invention. In the embodiment described below, while some of the configurations are omitted in the drawings and the description, it is a matter of course that publicly-known or well-known techniques may be appropriately applied instead of the omitted technical details within a scope not causing discrepancies from the contents described below.
  • FIG. 1 is a perspective view illustrating an electrical connection structure of a printed circuit according to the embodiment, and FIG. 2 is a cross-sectional view taken along line A-A illustrated in FIG. 1. As illustrated in FIGS. 1 and 2, an electrical connection structure 1 of a printed circuit 30 includes an FFC (thin member) 10 which covers a thin flat conductor 11 by an insulating coated portion 12 to mount the conductor 11, a base material 20 which is made of an insulating film placed on the FFC 10, and the printed circuit 30 which is formed on the base material 20, and electrically connects the printed circuit 30 formed on the base material 20 to the conductor 11 in the FFC 10.
  • In the electrical connection structure 1, the base material 20 and the coated portion 12 of the FFC 10 are formed with a through hole Th which passes through the base material 20 and reaches the conductor 11. The printed circuit 30 is formed to pass by on the through hole Th, and the through hole Th is filled with the same conductive member CM as the printed circuit 30.
  • Herein, the electrical connection structure 1 can be manufactured with a simpler procedure and reduce a possibility of a short circuit. Next, an electrical connection method of the printed circuit 30 will be described and, before the description, an electrical connection method will be described as a comparative example.
  • FIG. 3 is a process diagram illustrating an electrical connection method according to the comparative example. As illustrated in FIG. 3, an FFC 110 and a base material 120 are prepared first. Next, the coated portion 112 of the FFC 110 is partially peeled off to expose a conductor 111 (S1). A printed circuit 130 is formed on the base material 120 by a screen printing method (S2). Next, a conductive adhesive 140 is interposed between the exposed conductor 111 and the printed circuit 130 (S3), and these components are overlapped, heated, and dried to be cured. Therefore, the printed circuit 130 and the conductor 111 are electrically connected (S4).
  • In the electrical connection method, there are necessary the procedures of the forming of the printed circuit, and the peeling, the applying of the conductive adhesive 140, and the curing. In particular, in a case where the printed circuit 130 is formed at a narrow pitch, the conductive adhesive 140 spreads out to the adjacent circuits, and thus the adjacent circuits come to be short-circuited if the anisotropic conductive adhesive is not used.
  • FIGS. 4A to 4C are cross-sectional views illustrating the electrical connection method of the printed circuit 30 according to the embodiment, in which FIG. 4A illustrates a first step, FIG. 4B illustrates a second step, and FIG. 4C illustrates a third step. In the electrical connection method according to the embodiment, the base material 20 and the FFC 10 are first overlapped as illustrated in FIG. 4A.
  • Next, as illustrated in FIG. 4B, the through hole Th is formed by a drill D from the base material 20 after the base material 20 and the FFC 10 are fixed using a tool. The through hole Th is formed while controlling a pushing amount of the drill D, and the coated portion 12 of the FFC 10 is also partially passed through while the base material 20 is passed through. Therefore, the through hole Th reaches the conductor 11 of the FFC 10.
  • Thereafter, as illustrated in FIG. 4C, the printed circuit 30 is formed on the base material 20 by the screen printing method using conductive paste (conductive ink, the conductive adhesive 140, etc.). Herein, the printed circuit 30 in the embodiment is formed on the through hole Th of the base material 20. Therefore, the through hole Th is filled with the conductive paste at the same time as the printed circuit 30 is formed.
  • In this way, the procedure of forming the printed circuit 30 is used to perform the electrical connection in the electrical connection method according to the embodiment. Further, the conductive adhesive 140 is not applied on the printed circuit 30 formed on the base material 20, and thus the short circuit due to flowing out of the conductive adhesive 140 is also prevented.
  • In this way, according to the electrical connection method of the printed circuit 30 of the embodiment, the through hole Th is filled with the conductive paste when the printed circuit 30 is formed on the base material 20. Therefore, the electrical connection is performed using at least the procedure of forming the printed circuit 30, resulting in simplification of the manufacturing procedure. Further, the conductive adhesive 140 is not applied on the printed circuit 30 formed on the base material 20, and thus it is prevented the short circuit occurring between the adjacent conductor 10 due to flowing out of the conductive adhesive 140. Therefore, it is possible to provide the electrical connection method of the printed circuit 30 which is simpler and is able to reduce a possibility of a short circuit.
  • According to the electrical connection structure 1 of the printed circuit 30 of the embodiment, the through hole Th reaching the conductor 11 of the FFC 10 while passing through the base material 20 is filled with the same conductive member CM as the printed circuit 30. Therefore, when the printed circuit 30 is formed with the conductive member CM, the through hole Th can be filled with the conductive member CM, and thus it is possible to simplify the manufacturing procedure. Further, since the conductive adhesive is not necessarily applied on the printed circuit 30 formed on the base material 20, the short circuit occurring between the printed circuit 30 and the adjacent conductor 10 due to flowing out of the conductive adhesive 140 is prevented. Therefore, it is possible to provide the electrical connection structure 1 of the printed circuit 30 which can be manufactured with a simpler procedure and reduce a possibility of a short circuit.
  • Next, a second embodiment of the invention will be described. The electrical connection method and the structure of the printed circuit 30 according to the second embodiment are similar to those of the first embodiment except some configurations and procedures. Hereinafter, the description will be given about differences from the first embodiment.
  • FIG. 5 is a perspective view illustrating an electrical connection structure of the printed circuit 30 according to the second embodiment. As illustrated in FIG. 5, an electrical connection structure 2 according to the second embodiment is provided with a flat shield cable 40 instead of the FFC 10. The flat shield cable 40 is configured such that a thin flat conductor (thin conductor) 41 is covered by the insulating coated portion 42 and mounted, and a shield member (thin conductor) 43 such as a metal braid is wound around the coated portion 42. Herein, the flat shield cable 40 according to the second embodiment is wound by the shield member 43 except one portion 44 (see FIG. 6A).
  • In the second embodiment, the base material 20 and the coated portion 42 of the flat shield cable 40 are formed with a first through hole Th1 reaching the conductor 41 such that the first through hole passes through the base material 20 to open the one portion 44 not covered by the shield member 43. Further, the base material 20 is formed with a second through hole Th2 reaching the shield member 43 such that the second through hole passes through the base material 20. In the second embodiment, the first through hole Th1 is formed by one, and the second through hole Th2 is formed by two, but the number is not particularly limited thereto.
  • In addition, in the second embodiment, the printed circuit 30 includes a signal line (first printed circuit) 31 and a ground line (second printed circuit) 32. The signal line 31 is printed to pass through the first through hole Th1 in the base material 20. The first through hole Th1 is filled with the same conductive member CM as the signal line 31 and the ground line 32. Similarly, the ground line 32 is printed to pass through the second through hole Th2 in the base material 20. The second through hole Th2 is also filled with the same conductive member CM as the signal line 31 and the ground line 32.
  • In the second embodiment, three circuits (one circuit for the signal line 31, and two circuits for the ground lines 32) are formed on the base material 20 in accordance with the number of the through holes Th1 and Th2, but the number is not particularly limited thereto.
  • FIGS. 6A to 6C are cross-sectional views illustrating the electrical connection method of the printed circuit 30 according to the second embodiment, in which FIG. 6A illustrates a first step, FIG. 6B illustrates a second step, and FIG. 6C illustrates a third step. In the electrical connection method according to the second embodiment, the base material 20 is first overlapped with the flat shield cable 40 as illustrated in FIG. 6A. At this time, the base material 20 is overlapped such that the one portion 44 not covered by the shield member 43 is totally hidden by the base material 20.
  • Next, as illustrated in FIG. 6B, the first through hole Th1 is formed to pass through the base material 20 and to open the one portion 44 not covered by the shield member 43 so as to reach the conductor 41, and the second through hole Th2 is formed to pass through the base material 20 to reach the shield member 43. At this time, the first and second through holes Th1 and Th2 are formed using the drill D similarly to the first embodiment.
  • Thereafter, as illustrated in FIG. 6C, the printed circuit 30 is formed on the base material 20 by the screen printing method using the conductive paste (conductive ink or a conductive adhesive). At this time, the signal line 31 is formed to pass through the first through hole Th1. Therefore, the first through hole Th1 is filled with the conductive paste. The ground line 32 is formed to pass through the second through hole Th2. Therefore, the second through hole Th2 is filled with the conductive paste. Herein, the signal line 31 and the ground line 32 are formed on the base material 20 at the same time.
  • In this way, according to the electrical connection method and the structure 2 of the printed circuit 30 of the second embodiment, it is possible to be simpler and to reduce a possibility of a short circuit similarly to the first embodiment.
  • Further, according to the second embodiment, the first through hole Th1 reaching the conductor 41 is filled with the conductive paste when the signal line 31 is formed, and the second through hole Th2 which passes through the base material 20 and reaches the shield member 43 is filled with the conductive paste when the signal line 31 and the ground line 32 are formed at the same time. Therefore, the procedure of forming the signal line 31, the procedure of forming the ground line 32, the procedure of electrically connecting the conductor 11 and the signal line 31 through the first through hole Th1, and the procedure of electrically connecting the shield member 43 and the ground line 32 through the second through hole Th2 can be performed at the same time. Therefore, it is possible to provide the electrical connection method of the printed circuit 30 which can simplify the manufacturing still more.
  • Next, a third embodiment of the invention will be described. The electrical connection method and the structure of the printed circuit 30 according to the third embodiment are similar to those of the first embodiment except some configurations and procedures. Hereinafter, the description will be given about differences from the first embodiment.
  • FIG. 7 is a perspective view illustrating an electrical connection structure of the printed circuit according to the third embodiment, and FIG. 8 is a cross-sectional view taken along line B-B illustrated in FIG. 7. As illustrated in FIGS. 7 and 8, a plurality (three in FIG. 7) of through holes Th are adjacently formed to pass through the base material 20 and parts of the coated portion 12 in an electrical connection structure 3 of the printed circuit 30 according to the third embodiment.
  • Further, in the third embodiment, the printed circuit 30 (particularly one circuit of the printed circuit 30) formed on the base material 20 is printed to pass through the plurality of through holes Th, and the plurality of through holes Th are filled with the same conductive member CM as the printed circuit 30 (particularly one circuit of the printed circuit 30).
  • The electrical connection method of the printed circuit 30 according to the third embodiment is performed as follows. In other words, first, the base material 20 and the FFC 10 are overlapped, the plurality of through holes Th are formed by the drill D from the base material 20 to reach the conductor 11.
  • Thereafter, the printed circuit 30 is formed on the base material 20 by the screen printing method using the conductive paste. At this time, the printed circuit 30 is formed to pass through the plurality of through holes Th, and the plurality of through holes Th are collectively filled with the conductive paste. Therefore, one circuit in the printed circuit 30 is electrically connected to the conductor 11 through the plurality of through holes Th.
  • In this way, according to the electrical connection method and the structure 3 of the printed circuit 30 of the third embodiment, it is possible to be simpler and to reduce a possibility of a short circuit similarly to the first embodiment.
  • Further, according to the third embodiment, the plurality of through holes Th are formed, one circuit in the printed circuit 30 is electrically connected to the conductor 11 through the plurality of through holes Th. Therefore, it is possible to stabilize the electrical connection, and to improve flexibility.
  • Hitherto, the description has been given on the basis of the embodiments, but the invention is not limited to the above embodiments. Changes may be made within a scope not departing from the spirit of the invention, and the techniques described in the respective embodiments may be combined. Further, other techniques (including well-known and publicly-known techniques) may be combined.
  • For example, the FFC 10 and the flat shield cable 40 are exemplified as a thin member in the above embodiments, but the invention is not limited thereto, and the thin member may be an FPC. Further, the base material 20 and the thin member are assumed as a flexible member, but the invention is not limited thereto, and the base material and the thin member may be configured such that either one has flexibility or the other is a highly-rigid member having no flexibility.
  • DESCRIPTION OF REFERENCE NUMERALS AND SIGNS
    • 1, 2, 3: electrical connection structure
    • 10: FFC (thin material)
    • 11: thin flat conductor (thin conductor)
    • 12: insulating coated portion
    • 20: base material
    • 30: printed circuit
    • 31: signal line (first printed circuit)
    • 32: ground line (second printed circuit)
    • 40: flat shield cable (thin material)
    • 41: thin flat conductor (thin conductor)
    • 42: insulating coated portion
    • 43: shield member (thin conductor)
    • 44: one portion
    • CM: conductive member
    • D: drill
    • Th: through hole
    • Th1: first through hole
    • Tj2: second through hole

Claims (4)

What is claimed is:
1. An electrical connection method of a printed circuit, comprising:
overlapping a base material and a thin member in which a thin conductor is mounted;
forming a through hole which passes through the base material overlapped with the thin member in the overlapping and reaches the thin conductor of the thin member; and
forming the printed circuit on the base material by a screen printing method using conductive paste,
wherein the through hole formed in the forming of the through hole is filled with the conductive paste in the forming of the printed circuit.
2. The electrical connection method of the printed circuit according to claim 1,
wherein the thin member in the overlapping is a flat shield cable covered with a shield member except one portion of the thin member,
wherein in the forming of the through hole, a first through hole is formed to pass through the base material overlapped in the overlapping and to open the one portion of the thin member so as to reach the thin conductor, a second through hole is formed to pass through the base material overlapped in the overlapping to reach the shield member, and
wherein in the forming of the printed circuit, the first through hole is filled with the conductive paste when a signal line is formed as a first printed circuit on the base material, and the second through hole is filled with the conductive paste when a ground line is formed as a second printed circuit on the base material at the same time as the signal line is formed.
3. The electrical connection method of the printed circuit according to claim 1,
wherein in the forming of the through hole, a plurality of through holes are formed, and
wherein in the forming of the printed circuit, the plurality of through holes are collectively filled with the conductive paste so as to electrically connect one circuit in the printed circuit to the thin conductor through the plurality of through holes when the printed circuit is formed on the base material.
4. An electrical connection structure of a printed circuit, comprising:
a thin member in which a thin conductor is mounted;
a base material which is placed on the thin member; and
a printed circuit which is formed on the base material,
wherein a through hole is formed in the base material,
wherein the through hole passes through the base material and reaches the thin conductor of the thin member,
wherein the printed circuit is formed on the through hole in the base material, and
wherein the through hole is filled with the same conductive member as the printed circuit.
US15/878,063 2017-02-08 2018-01-23 Electrical Connection Method of Printed Circuit and Electrical Connection Structure of Printed Circuit Abandoned US20180228033A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112672531A (en) * 2020-11-30 2021-04-16 江门荣信电路板有限公司 Double-sided processing method of PCB single-sided substrate

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11457527B2 (en) * 2018-12-12 2022-09-27 Tatsuta Electric Wire & Cable Co., Ltd. Shield printed wiring board and method of manufacturing shield printed wiring board
WO2020133421A1 (en) * 2018-12-29 2020-07-02 深南电路股份有限公司 Diversified assembly printed circuit board and manufacturing method

Citations (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6172730B1 (en) * 1998-03-06 2001-01-09 Nec Corporation Liquid crystal display apparatus having stepped section in glass substrate
US6407508B1 (en) * 1999-06-30 2002-06-18 Fujitsu Limited Driver IC packaging module and flat display device using the same
US20050179747A1 (en) * 2003-12-04 2005-08-18 Koji Iamai Ink-jet recording head and ink-jet recording apparatus
US20070102830A1 (en) * 2005-10-31 2007-05-10 Akira Muto Flexible printed circuit board
US20070194428A1 (en) * 2006-02-03 2007-08-23 Kabushiki Kaisha Toyota Jidoshokki Connection Structure and Method for Connecting flexible Printed Circuit to Main Substrate
US20070281505A1 (en) * 2004-04-09 2007-12-06 Atsushi Kobayashi Rigid-Flexible Board and Method for Manufacturing the Same
US20080093118A1 (en) * 2006-10-23 2008-04-24 Ibiden Co., Ltd Flex-rigid wiring board and method of manufacturing the same
US20080099230A1 (en) * 2006-10-30 2008-05-01 Ibiden Co., Ltd. Flex-rigid wiring board and method of manufacturing the same
US20080289859A1 (en) * 2004-06-10 2008-11-27 Ibiden Co., Ltd. Flex-Rigid Wiring Board and Manufacturing Method Thereof
US20090014205A1 (en) * 2004-04-09 2009-01-15 Atsushi Kobayashi Printed circuit board assembled panel, unit sheet for packaging a printed circuit board, rigid-flexible board and method for manufacturing the same
US20100055324A1 (en) * 2008-08-28 2010-03-04 Seiko Epson Corporation Liquid discharge method and liquid discharge device
US20100099322A1 (en) * 2008-10-21 2010-04-22 Seiko Epson Corporation Method for manufacturing electro-optical device and apparatus for manufacturing electro-optical device
US20100155109A1 (en) * 2008-12-24 2010-06-24 Ibiden Co., Ltd. Flex-rigid wiring board and method for manufacturing the same
US20100195967A1 (en) * 2009-02-02 2010-08-05 Ibiden Co., Ltd. Opto-electrical hybrid wiring board and method for manufacturing the same
US20110094775A1 (en) * 2009-10-23 2011-04-28 Advanced Flexible Circuits Co., Ltd. Double-side-conducting flexible-circuit flat cable with cluster section
US20110194262A1 (en) * 2010-02-05 2011-08-11 Ibiden, Co., Ltd. Flex-rigid wiring board and method for manufacturing the same
US20110198111A1 (en) * 2010-02-12 2011-08-18 Ibiden Co., Ltd. Flex-rigid wiring board and method for manufacturing the same
US8238109B2 (en) * 2008-07-16 2012-08-07 Ibiden Co., Ltd. Flex-rigid wiring board and electronic device
US20130277095A1 (en) * 2010-10-15 2013-10-24 Advanced Flexible Circuits Co., Ltd. Double-side-conducting flexible-circuit flat cable with cluster section
US20140146491A1 (en) * 2012-11-26 2014-05-29 E Ink Holdings Inc. Flexible display apparatus and manufacturing method thereof
US8896761B2 (en) * 2011-03-31 2014-11-25 Kabushiki Kaisha Toshiba Television receiver and electronic device
US20160098111A1 (en) * 2013-04-18 2016-04-07 Sharp Kabushiki Kaisha Sensor sheet, sensor sheet module, touch sensor panel module, and electronic equipment
US20160205781A1 (en) * 2012-11-26 2016-07-14 E Ink Holdings Inc. Flexible display apparatus and manufacturing method thereof
US20160380370A1 (en) * 2015-06-25 2016-12-29 Intel Corporation Retention mechanism for shielded flex cable to improve emi/rfi for high speed signaling
US20170131581A1 (en) * 2015-11-06 2017-05-11 Andriy PLETENETSKYY Low-Profile Microdisplay Module
US20170354035A1 (en) * 2014-08-04 2017-12-07 Minebea Co., Ltd. Flexible printed circuit board
US20180178509A1 (en) * 2016-12-22 2018-06-28 Seiko Epson Corporation Liquid discharging apparatus and circuit substrate

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2753746B2 (en) * 1989-11-06 1998-05-20 日本メクトロン株式会社 Flexible circuit board for mounting IC and method of manufacturing the same
JPH07106727A (en) 1993-09-30 1995-04-21 Fuji Xerox Co Ltd Connection structure of flexible printed wiring board
JP3250216B2 (en) * 1998-08-13 2002-01-28 ソニーケミカル株式会社 Flexible printed wiring board and method of manufacturing the same
JP2001313448A (en) * 2000-04-28 2001-11-09 Nitto Denko Corp Both-side flexible wiring board, ic card, and manufacturing method of the both-side flexible wiring board
JP2002252446A (en) * 2001-02-23 2002-09-06 Sony Chem Corp Manufacturing method of flexible wiring board
JP2006073994A (en) 2004-08-05 2006-03-16 Seiko Epson Corp Connecting substrate, structure, and method, and electronic apparatus
JP2007123744A (en) * 2005-10-31 2007-05-17 Sony Corp Optical transmitter and receiver module
JP2007221077A (en) * 2006-02-20 2007-08-30 Fujikura Ltd Connection structure and connection method for printed wiring board
US20090084597A1 (en) * 2006-03-20 2009-04-02 Sumitomo Bakelite Co., Ltd. Circuit board and connection substrate
JP4955763B2 (en) * 2007-05-17 2012-06-20 株式会社フジクラ Multilayer wiring board and manufacturing method thereof
EP2187720A4 (en) * 2008-03-10 2011-11-23 Ibiden Co Ltd Flexible wiring board, and its manufacturing method
US20100139967A1 (en) * 2008-12-08 2010-06-10 Ibiden Co., Ltd. Wiring board and fabrication method therefor
JP2010212617A (en) * 2009-03-12 2010-09-24 Sumitomo Electric Ind Ltd Flexible wiring board
US8383948B2 (en) * 2009-09-18 2013-02-26 Ibiden Co., Ltd. Flex-rigid wiring board and method for manufacturing the same
US8745860B2 (en) * 2011-03-11 2014-06-10 Ibiden Co., Ltd. Method for manufacturing printed wiring board
JP2015217639A (en) * 2014-05-20 2015-12-07 株式会社日立ハイテクノロジーズ Pattern formation method and pattern formation device
JP6406598B2 (en) 2014-07-24 2018-10-17 学校法人福岡大学 Printed wiring board and manufacturing method thereof
JP2016149411A (en) * 2015-02-10 2016-08-18 イビデン株式会社 Semiconductor element built-in wiring board and manufacturing method of the same
JP2017135193A (en) * 2016-01-26 2017-08-03 イビデン株式会社 Printed wiring board and method for manufacturing printed wiring board

Patent Citations (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6172730B1 (en) * 1998-03-06 2001-01-09 Nec Corporation Liquid crystal display apparatus having stepped section in glass substrate
US6407508B1 (en) * 1999-06-30 2002-06-18 Fujitsu Limited Driver IC packaging module and flat display device using the same
US20050179747A1 (en) * 2003-12-04 2005-08-18 Koji Iamai Ink-jet recording head and ink-jet recording apparatus
US20090014205A1 (en) * 2004-04-09 2009-01-15 Atsushi Kobayashi Printed circuit board assembled panel, unit sheet for packaging a printed circuit board, rigid-flexible board and method for manufacturing the same
US20070281505A1 (en) * 2004-04-09 2007-12-06 Atsushi Kobayashi Rigid-Flexible Board and Method for Manufacturing the Same
US20080289859A1 (en) * 2004-06-10 2008-11-27 Ibiden Co., Ltd. Flex-Rigid Wiring Board and Manufacturing Method Thereof
US20070102830A1 (en) * 2005-10-31 2007-05-10 Akira Muto Flexible printed circuit board
US20070194428A1 (en) * 2006-02-03 2007-08-23 Kabushiki Kaisha Toyota Jidoshokki Connection Structure and Method for Connecting flexible Printed Circuit to Main Substrate
US20080093118A1 (en) * 2006-10-23 2008-04-24 Ibiden Co., Ltd Flex-rigid wiring board and method of manufacturing the same
US20080099230A1 (en) * 2006-10-30 2008-05-01 Ibiden Co., Ltd. Flex-rigid wiring board and method of manufacturing the same
US8238109B2 (en) * 2008-07-16 2012-08-07 Ibiden Co., Ltd. Flex-rigid wiring board and electronic device
US20100055324A1 (en) * 2008-08-28 2010-03-04 Seiko Epson Corporation Liquid discharge method and liquid discharge device
US20100099322A1 (en) * 2008-10-21 2010-04-22 Seiko Epson Corporation Method for manufacturing electro-optical device and apparatus for manufacturing electro-optical device
US20100155109A1 (en) * 2008-12-24 2010-06-24 Ibiden Co., Ltd. Flex-rigid wiring board and method for manufacturing the same
US20100195967A1 (en) * 2009-02-02 2010-08-05 Ibiden Co., Ltd. Opto-electrical hybrid wiring board and method for manufacturing the same
US20110094775A1 (en) * 2009-10-23 2011-04-28 Advanced Flexible Circuits Co., Ltd. Double-side-conducting flexible-circuit flat cable with cluster section
US20110194262A1 (en) * 2010-02-05 2011-08-11 Ibiden, Co., Ltd. Flex-rigid wiring board and method for manufacturing the same
US20110198111A1 (en) * 2010-02-12 2011-08-18 Ibiden Co., Ltd. Flex-rigid wiring board and method for manufacturing the same
US20130277095A1 (en) * 2010-10-15 2013-10-24 Advanced Flexible Circuits Co., Ltd. Double-side-conducting flexible-circuit flat cable with cluster section
US8896761B2 (en) * 2011-03-31 2014-11-25 Kabushiki Kaisha Toshiba Television receiver and electronic device
US20140146491A1 (en) * 2012-11-26 2014-05-29 E Ink Holdings Inc. Flexible display apparatus and manufacturing method thereof
US20160205781A1 (en) * 2012-11-26 2016-07-14 E Ink Holdings Inc. Flexible display apparatus and manufacturing method thereof
US20160098111A1 (en) * 2013-04-18 2016-04-07 Sharp Kabushiki Kaisha Sensor sheet, sensor sheet module, touch sensor panel module, and electronic equipment
US20170354035A1 (en) * 2014-08-04 2017-12-07 Minebea Co., Ltd. Flexible printed circuit board
US20160380370A1 (en) * 2015-06-25 2016-12-29 Intel Corporation Retention mechanism for shielded flex cable to improve emi/rfi for high speed signaling
US20170131581A1 (en) * 2015-11-06 2017-05-11 Andriy PLETENETSKYY Low-Profile Microdisplay Module
US20180178509A1 (en) * 2016-12-22 2018-06-28 Seiko Epson Corporation Liquid discharging apparatus and circuit substrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112672531A (en) * 2020-11-30 2021-04-16 江门荣信电路板有限公司 Double-sided processing method of PCB single-sided substrate

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JP6700207B2 (en) 2020-05-27
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US20180332718A1 (en) 2018-11-15
US10485110B2 (en) 2019-11-19

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