JP6396633B2 - 回路基板 - Google Patents
回路基板 Download PDFInfo
- Publication number
- JP6396633B2 JP6396633B2 JP2012030939A JP2012030939A JP6396633B2 JP 6396633 B2 JP6396633 B2 JP 6396633B2 JP 2012030939 A JP2012030939 A JP 2012030939A JP 2012030939 A JP2012030939 A JP 2012030939A JP 6396633 B2 JP6396633 B2 JP 6396633B2
- Authority
- JP
- Japan
- Prior art keywords
- land
- connection terminal
- width
- circuit board
- solder
- 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.)
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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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/111—Pads for surface mounting, e.g. lay-out
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric 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
- 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
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0266—Marks, test patterns or identification means
- H05K1/0269—Marks, test patterns or identification means for visual or optical inspection
-
- 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
- H05K2201/09372—Pads and lands
- H05K2201/09381—Shape of non-curved single flat metallic pad, land or exposed part thereof; Shape of electrode of leadless component
-
- 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
- H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
- H05K2201/099—Coating over pads, e.g. solder resist partly over pads
-
- 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
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3421—Leaded components
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Description
回路基板1は、配線板2と配線板2上に実装されたリード部品3を含む複数の電子部品とを有している(図1参照)。
リード部品3は接続端子8、8、・・・の接合部8c、8c、・・・がそれぞれ半田15、15、・・・によってランド6、6、・・・に接合されることにより配線板2に実装される(図4参照)。
リード部品3の実装工程においては、リフローによってランド6、6、・・・に接続端子8、8、・・・が接合されてリード部品3が実装された後に、ランド6、6、・・・に対する接続端子8、8、・・・の半田付けの成否が図示しない検査装置によって検査される。
以上に記載した通り、回路基板1にあっては、ランド6の端子対向部11に先端側連続部12の幅より幅が狭い幅狭部11aが設けられている。
上記には、基材9の外周部がレジスト10によって覆われることによりランド6が形成された例を示した(図2参照)が、図10に示すように、基材9がレジスト10によって覆われず、基材9の全体がランド6として設けられるようにすることも可能である。
本技術は、以下のような構成にすることもできる。
Claims (6)
- 実装面にリード部品の接続端子の先端部を半田によって接合するためのランドが設けられ、
前記ランドは、配線板の上に設けられた基材にて構成され、前記ランドは、前記配線板を覆うレジストに設けられた矩形形状の開口の内部に、前記基材の全体が前記ランドとなるように設けられ、
前記ランドは一方向に延びる形状に形成され前記一方向が長手方向とされ前記長手方向に直交する短手方向が幅方向とされ、
前記ランドには前記接続端子の先端部に対向する端子対向部と前記接続端子の先端側において前記端子対向部に連続する先端側連続部とが設けられ、
前記端子対向部に前記先端側連続部の幅より幅が狭い幅狭部が設けられ、
前記半田が前記接続端子の先端部の各面に密着され、かつ、前記半田の外面が凹曲面に形成されて前記半田が前記接続端子の先端部から前記ランドにかけての外面を山裾とする山型の形状に形成される
回路基板。 - 前記幅狭部は前記幅方向における一方に前記幅方向に開口された凹部が形成されることにより設けられた
請求項1に記載の回路基板。 - 前記幅狭部は前記幅方向における両側にそれぞれ前記幅方向に開口された凹部が形成されることにより設けられた
請求項1に記載の回路基板。 - 前記先端側連続部の幅が前記接続端子の幅より大きくされ、
前記幅狭部の幅が前記接続端子の幅より小さくされた
請求項1、請求項2又は請求項3に記載の回路基板。 - 前記先端側連続部の長さが前記幅狭部の長さより長くされた
請求項1、請求項2、請求項3又は請求項4に記載の回路基板。 - 前記ランドに、前記端子対向部を挟んだ先端側連続部の反対側に前記端子対向部に連続する基端側連続部が設けられた
請求項1、請求項2、請求項3、請求項4又は請求項5に記載の回路基板。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012030939A JP6396633B2 (ja) | 2012-02-15 | 2012-02-15 | 回路基板 |
US13/717,901 US9113564B2 (en) | 2012-02-15 | 2012-12-18 | Circuit board |
KR1020130013731A KR20130094235A (ko) | 2012-02-15 | 2013-02-07 | 회로 기판 |
CN201310050910.6A CN103260346B (zh) | 2012-02-15 | 2013-02-08 | 电路板 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012030939A JP6396633B2 (ja) | 2012-02-15 | 2012-02-15 | 回路基板 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013168517A JP2013168517A (ja) | 2013-08-29 |
JP2013168517A5 JP2013168517A5 (ja) | 2015-03-12 |
JP6396633B2 true JP6396633B2 (ja) | 2018-09-26 |
Family
ID=48944678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012030939A Active JP6396633B2 (ja) | 2012-02-15 | 2012-02-15 | 回路基板 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9113564B2 (ja) |
JP (1) | JP6396633B2 (ja) |
KR (1) | KR20130094235A (ja) |
CN (1) | CN103260346B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105828521B (zh) * | 2015-01-08 | 2018-10-02 | 上海和辉光电有限公司 | 印刷电路板的布局方法及印刷电路板 |
US11195269B2 (en) * | 2015-03-27 | 2021-12-07 | Texas Instruments Incorporated | Exposed pad integrated circuit package |
JP2016192352A (ja) * | 2015-03-31 | 2016-11-10 | 株式会社オートネットワーク技術研究所 | ワイヤーハーネス及びワイヤーハーネスの製造方法 |
CN106455350A (zh) * | 2016-09-29 | 2017-02-22 | 广东小天才科技有限公司 | 一种元器件的更换方法 |
US11569155B2 (en) * | 2021-06-09 | 2023-01-31 | Western Digital Technologies, Inc. | Substrate bonding pad having a multi-surface trace interface |
US11839031B2 (en) | 2022-04-06 | 2023-12-05 | Western Digital Technologies, Inc. | Micro solder joint and stencil aperture design |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04217388A (ja) * | 1990-12-19 | 1992-08-07 | Mitsubishi Electric Corp | 印刷配線板 |
US5303122A (en) * | 1991-10-31 | 1994-04-12 | Ford Motor Company | Printed circuit board having a commonized mounting pad which different sized surface mounted devices can be mounted |
KR940023325A (ko) * | 1993-03-11 | 1994-10-22 | 토모마쯔 켕고 | 땜납층을 프리코팅해서 사용되는 회로기판 및 땜납층이 프리코팅된 회로기판 |
JPH0718475U (ja) * | 1993-09-09 | 1995-03-31 | 日本ビクター株式会社 | 印刷配線板 |
JPH07106745A (ja) * | 1993-09-30 | 1995-04-21 | Ibiden Co Ltd | プリント配線板及びパッドへの半田皮膜形成方法 |
KR100304649B1 (ko) * | 1999-02-02 | 2001-09-13 | 윤종용 | 집적회로 패키지의 리드핀 납땜 검사방법 및 검사장치 |
JP3948376B2 (ja) * | 2002-09-05 | 2007-07-25 | 株式会社デンソー | 電子装置の製造方法 |
JP2007281122A (ja) * | 2006-04-05 | 2007-10-25 | Denso Corp | モールドパッケージの実装構造 |
JP2009141170A (ja) * | 2007-12-07 | 2009-06-25 | Fujitsu Component Ltd | 基板のパッド構造 |
CN101568224B (zh) * | 2008-04-22 | 2012-01-25 | 鸿富锦精密工业(深圳)有限公司 | 电路板及具有该电路板的电子装置 |
CN101656217B (zh) * | 2008-08-18 | 2011-03-23 | 中芯国际集成电路制造(上海)有限公司 | 系统级封装的方法 |
JP5649788B2 (ja) * | 2009-01-21 | 2015-01-07 | 富士通株式会社 | プリント板、プリント板実装構造、およびプリント板実装方法 |
CN102314009A (zh) * | 2011-09-09 | 2012-01-11 | 深圳市华星光电技术有限公司 | 液晶显示模组及液晶显示面板 |
-
2012
- 2012-02-15 JP JP2012030939A patent/JP6396633B2/ja active Active
- 2012-12-18 US US13/717,901 patent/US9113564B2/en active Active
-
2013
- 2013-02-07 KR KR1020130013731A patent/KR20130094235A/ko active IP Right Grant
- 2013-02-08 CN CN201310050910.6A patent/CN103260346B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US9113564B2 (en) | 2015-08-18 |
KR20130094235A (ko) | 2013-08-23 |
JP2013168517A (ja) | 2013-08-29 |
US20130206456A1 (en) | 2013-08-15 |
CN103260346A (zh) | 2013-08-21 |
CN103260346B (zh) | 2018-04-10 |
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