JP4585416B2 - 基板の反り低減構造および基板の反り低減方法 - Google Patents
基板の反り低減構造および基板の反り低減方法 Download PDFInfo
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- JP4585416B2 JP4585416B2 JP2005276640A JP2005276640A JP4585416B2 JP 4585416 B2 JP4585416 B2 JP 4585416B2 JP 2005276640 A JP2005276640 A JP 2005276640A JP 2005276640 A JP2005276640 A JP 2005276640A JP 4585416 B2 JP4585416 B2 JP 4585416B2
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 description 71
- 238000005476 soldering Methods 0.000 description 22
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- 230000003685 thermal hair damage Effects 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
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- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
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- H01L2924/1025—Semiconducting materials
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- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
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- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
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- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
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- H05K2203/04—Soldering or other types of metallurgic bonding
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
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- 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
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- 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
- H05K3/3457—Solder materials or compositions; Methods of application thereof
- H05K3/3463—Solder compositions in relation to features of the printed circuit board or the mounting process
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
- Structure Of Printed Boards (AREA)
Description
前記反り低減部材は、個々の前記電子部品の外形寸法とほぼ等しい外形寸法を有するか、もしくは複数個の前記電子部品を包含する外形寸法を有し、
前記電子部品を前記基板に電気的に接続している接合材料よりも融点の低い接合材料によって前記基板に接合されていることを特徴とする基板の反り低減構造。
ことを特徴とする付記1または2に記載の基板の反り低減構造。
ことを特徴とする付記4に記載の基板の反り低減構造。
第一の接合材により前記基板の第一の面に搭載される電子部品と、
第二の接合材により、前記電子部品が搭載された領域に対応する前記基板の第二の面に搭載される反り低減部材と、を備えたことを特徴とする配線基板。
第一の接合材により前記基板の第一の面に搭載される電子部品と、
反り低減部材を前記基板の第二の面に一時的に搭載する第二の接合材と、
を備えたことを特徴とする配線基板。
前記配線基板の第一の面に第一の接合材を用いて前記電子部品を搭載する工程と、
前記配線基板の第二の面に第二の接合材を用いて反り低減部材を搭載する工程と、
を備えたことを特徴とする配線基板の製造方法。
前記反り低減部材に第三の接合材を形成する工程と、
前記基板上に前記第一の接合材を形成する工程と、
前記基板上に、前記第一の接合材と前記第三の接合材とを接触させるように、前記反り低減部材を搭載する工程と、
を含むことを特徴とする付記19に記載の配線基板の製造方法。
前記基板上に前記第二の接合材を形成する工程と、
前記基板上に前記反り低減部材を搭載する工程と、
を含むことを特徴とする付記19に記載の配線基板の製造方法。
前記加熱された基板から前記反り低減部材を取り外す工程と、を更に備えたことを特徴とする付記19〜21のいずれか一つに記載の配線基板の製造方法。
2 部品(電子部品)
3 その他の部品(その他の電子部品)
4 半田接続部
5 反り低減部材
5a 基板
5b 封止樹脂
6 接合材
7 開口部
10 電極
11 半田ボール
12 配線
16 治具
17 ヒータ
18 工具先端部
19 取り外し工具
22 第1の部品の外形
23 第2の部品の外形
41 半田ペースト
51 反り低減部材
61 半田残渣(接合材の残渣)
Claims (10)
- 複数の電子部品を実装する基板の反りを低減するために当該基板における当該反りを低減したい箇所であって前記電子部品の実装領域の裏面にあたる部分に反り低減部材を接合してなる基板の反り低減構造において、
前記反り低減部材は、個々の前記電子部品の外形寸法とほぼ等しい外形寸法を有するか、もしくは複数個の前記電子部品を包含する外形寸法を有し、
前記電子部品を前記基板に電気的に接続している接合材料よりも融点の低い接合材料によって前記基板に接合されていることを特徴とする基板の反り低減構造。 - 前記反り低減部材は、当該反り低減部材の表裏を貫通する開口部を備えたことを特徴とする請求項1に記載の基板の反り低減構造。
- 前記反り低減部材は、ガラスエポキシ基板、ガラスエポキシ基板あるいはポリイミド基板とエポキシ樹脂の複合体、ガラスエポキシ基板あるいはポリイミド基板とシリコン樹脂系エラストマーの複合体のいずれかで形成されていることを特徴とする請求項1または2に記載の基板の反り低減構造。
- 前記反り低減部材は、前記接合材料を取り付けるための電極を備えたことを特徴とする請求項1〜3のいずれか一つに記載の基板の反り低減構造。
- 前記反り低減部材は、前記基板に前記電極を介して電気的に接続される配線を更に備え、前記基板あるいは前記電子部品の電気的処理の一部を前記配線にて行うことを特徴とする請求項4に記載の基板の反り低減構造。
- 前記反り低減部材の前記開口部には、当該開口部の形状に合致した小径の反り低減部材を着脱自在に備えたことを特徴とする請求項2〜5のいずれか一つに記載の基板の反り低減構造。
- 基板における電子部品の実装領域の裏面にあたる部分に予め反り低減部材を取り付ける工程と、前記反り低減部材が裏面に取り付けられた前記基板の表面に前記電子部品を実装する工程とを含み、前記反り低減部材の前記基板への取り付け工程は、当該基板へのその他の電子部品の実装工程と同一工程内で行うことを特徴とする基板の反り低減方法。
- 表裏を貫通する開口部を備えた反り低減部材が前記基板の裏面に取り付けられる際に、当該開口部から当該基板の裏面にその他の電子部品を実装し、その後前記基板の表面に前記電子部品を実装することを特徴とする請求項7に記載の基板の反り低減方法。
- 複数の前記電子部品および前記反り低減部材が実装された前記基板全体を所定温度に加熱する全体加熱工程と、前記反り低減部材の前記基板との接合箇所を更に加熱して接合材を溶融させ、当該反り低減部材を当該基板から取り外す取り外し工程とを含むことを特徴とする請求項7または8に記載の基板の反り低減方法。
- 前記基板から前記反り低減部材を取り外した後に、前記基板に形成された接合材の残渣を更に溶融させて当該接合材の均等化ないし平坦化を行うことを特徴とする請求項9に記載の基板の反り低減方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005276640A JP4585416B2 (ja) | 2005-09-22 | 2005-09-22 | 基板の反り低減構造および基板の反り低減方法 |
US11/319,656 US20070063324A1 (en) | 2005-09-22 | 2005-12-29 | Structure and method for reducing warp of substrate |
KR1020060003724A KR100680022B1 (ko) | 2005-09-22 | 2006-01-13 | 기판의 휨 저감 구조 및 기판의 휨 저감 방법 |
CN2006100054863A CN1937887B (zh) | 2005-09-22 | 2006-01-16 | 用于减小基板翘曲的结构及方法 |
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Application Number | Priority Date | Filing Date | Title |
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JP2005276640A JP4585416B2 (ja) | 2005-09-22 | 2005-09-22 | 基板の反り低減構造および基板の反り低減方法 |
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JP2007088293A JP2007088293A (ja) | 2007-04-05 |
JP4585416B2 true JP4585416B2 (ja) | 2010-11-24 |
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JP2005276640A Expired - Fee Related JP4585416B2 (ja) | 2005-09-22 | 2005-09-22 | 基板の反り低減構造および基板の反り低減方法 |
Country Status (4)
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US (1) | US20070063324A1 (ja) |
JP (1) | JP4585416B2 (ja) |
KR (1) | KR100680022B1 (ja) |
CN (1) | CN1937887B (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100848154B1 (ko) | 2006-12-13 | 2008-07-23 | 삼성전자주식회사 | 인쇄회로기판 |
JP2008251687A (ja) * | 2007-03-29 | 2008-10-16 | Toshiba Corp | プリント回路板、およびこれを備えた電子機器 |
US20090265028A1 (en) * | 2008-04-21 | 2009-10-22 | International Business Machines Corporation | Organic Substrate with Asymmetric Thickness for Warp Mitigation |
JP5515450B2 (ja) | 2009-06-24 | 2014-06-11 | 富士通株式会社 | プリント基板の製造方法 |
JP2011014609A (ja) * | 2009-06-30 | 2011-01-20 | Toshiba Corp | 電子機器 |
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US20070063324A1 (en) | 2007-03-22 |
KR100680022B1 (ko) | 2007-02-08 |
JP2007088293A (ja) | 2007-04-05 |
CN1937887B (zh) | 2010-11-10 |
CN1937887A (zh) | 2007-03-28 |
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