JP2005277387A - 多層フレキシブル回路基板およびその製造方法 - Google Patents
多層フレキシブル回路基板およびその製造方法 Download PDFInfo
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- JP2005277387A JP2005277387A JP2005010654A JP2005010654A JP2005277387A JP 2005277387 A JP2005277387 A JP 2005277387A JP 2005010654 A JP2005010654 A JP 2005010654A JP 2005010654 A JP2005010654 A JP 2005010654A JP 2005277387 A JP2005277387 A JP 2005277387A
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- Prior art keywords
- multilayer
- circuit board
- insulating resin
- barrier
- flexible circuit
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Classifications
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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
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4688—Composite multilayer circuits, i.e. comprising insulating layers having different properties
- H05K3/4691—Rigid-flexible multilayer circuits comprising rigid and flexible layers, e.g. having in the bending regions only flexible layers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0335—Layered conductors or foils
- H05K2201/0355—Metal foils
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
- H05K2201/09781—Dummy conductors, i.e. not used for normal transport of current; Dummy electrodes of components
-
- 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
- H05K2203/03—Metal processing
- H05K2203/0384—Etch stop layer, i.e. a buried barrier layer for preventing etching of layers under the etch stop layer
-
- 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
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
- H05K3/4614—Manufacturing multilayer circuits by laminating two or more circuit boards the electrical connections between the circuit boards being made during lamination
-
- 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
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
- H05K3/4647—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits by applying an insulating layer around previously made via studs
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Combinations Of Printed Boards (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
Abstract
【解決手段】 回路部分1と、この回路部分に接続されたケーブル部分2とを有し、前記回路部分は多層の金属箔間に絶縁樹脂Aを配することにより構成された多層構造である多層フレキシブル回路基板の製造方法において、前記多層フレキシブル回路基板における最外層導電層を構成する金属箔101上に、層間導電接続を行う導電突起B1および前記絶縁樹脂の流れ出しを防止する障壁Wを形成し、前記金属箔と前記絶縁樹脂とを積層して多層フレキシブル回路基板を形成するようにした方法、および障壁構造。
【選択図】 図1
Description
12 層間接続用突起、101 銅箔、102 ニッケル層、103 銅箔。
A 層間絶縁接着シート、B バンプ、P パッド、W 障壁。
Claims (5)
- 導電突起による層間導電接続構造を有する多層フレキシブル回路基板の製造方法において、
フレキシブルなケーブル部分、およびこのケーブル部分が一体化された多層回路部分を有する内層回路基板を形成し、
前記内層回路基板に絶縁樹脂を介して積層される金属箔に、層間導電接続を行う導電突起および前記絶縁樹脂の流れ出しを防止する障壁を形成し、
前記金属箔および前記絶縁樹脂を前記内層回路基板に積層する
ことを特徴とする多層フレキシブル回路基板の製造方法。 - 請求項1記載の多層フレキシブル回路基板の製造方法において、
前記障壁による前記絶縁樹脂の流れ出し防止が完了した後、
パターン形成のためのエッチング工程時に、前記障壁を同時にエッチング除去する
ことを特徴とする多層フレキシブル回路基板。 - 回路部分と、この回路部分に接続されたケーブル部分とを有し、前記回路部分は多層の金属箔間に絶縁樹脂を配することにより構成された多層構造である多層フレキシブル回路基板において、
前記多層フレキシブル回路基板における最外層導電層を構成する金属箔上に設けられ、前記絶縁樹脂の流れ出しを防止する2列構成の障壁をそなえた
ことを特徴とする多層フレキシブル回路基板。 - 回路部分と、この回路部分に接続されたケーブル部分とを有し、前記回路部分は多層の金属箔間に絶縁樹脂を配することにより構成された多層構造である多層フレキシブル回路基板において、
前記障壁は、前記絶縁樹脂が流れ得るように一部が開口している
ことを特徴とする多層フレキシブル回路基板。 - 回路部分と、この回路部分に接続されたケーブル部分とを有し、前記回路部分は多層の金属箔間に絶縁樹脂を配することにより構成された多層構造である多層フレキシブル回路基板において、
前記金属箔における相互接続部分に、層間導電接続を行うための導電突起、この導電突起よりも大きな接続面積を有する前記導電突起に接続するための導電パッドが設けられた
ことを特徴とする多層フレキシブル回路基板。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005010654A JP4597686B2 (ja) | 2004-02-24 | 2005-01-18 | 多層フレキシブル回路基板の製造方法 |
US11/064,458 US8004851B2 (en) | 2004-02-24 | 2005-02-24 | Multi-layer flexible printed circuit board and manufacturing method thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004047675 | 2004-02-24 | ||
JP2005010654A JP4597686B2 (ja) | 2004-02-24 | 2005-01-18 | 多層フレキシブル回路基板の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005277387A true JP2005277387A (ja) | 2005-10-06 |
JP4597686B2 JP4597686B2 (ja) | 2010-12-15 |
Family
ID=34863515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005010654A Expired - Fee Related JP4597686B2 (ja) | 2004-02-24 | 2005-01-18 | 多層フレキシブル回路基板の製造方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8004851B2 (ja) |
JP (1) | JP4597686B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009063550A (ja) * | 2007-09-10 | 2009-03-26 | Rohm Co Ltd | 半導体センサ装置 |
JP2011176381A (ja) * | 2007-05-29 | 2011-09-08 | Panasonic Corp | 回路基板およびその製造方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105657970B (zh) * | 2016-02-06 | 2018-10-23 | 广州兴森快捷电路科技有限公司 | 刚挠结合板及其盲埋孔塞孔方法 |
Citations (8)
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JPH05259646A (ja) * | 1992-03-10 | 1993-10-08 | Toshiba Corp | プリント配線板の製造方法 |
JPH09293966A (ja) * | 1996-04-26 | 1997-11-11 | Ibiden Co Ltd | 内層基板及びその設計装置 |
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Also Published As
Publication number | Publication date |
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US8004851B2 (en) | 2011-08-23 |
JP4597686B2 (ja) | 2010-12-15 |
US20050186713A1 (en) | 2005-08-25 |
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