JP2007149851A - 配線基板、電子部品実装構造、および電子部品実装方法 - Google Patents
配線基板、電子部品実装構造、および電子部品実装方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 229910000679 solder Inorganic materials 0.000 claims abstract description 73
- 239000004065 semiconductor Substances 0.000 claims abstract description 58
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 41
- 238000002844 melting Methods 0.000 claims description 25
- 230000008018 melting Effects 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 9
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- 230000015572 biosynthetic process Effects 0.000 description 5
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Abstract
【解決手段】設置間隔が相対的に短い突起電極14aと設置間隔が相対的に長い突起電極14bが形成された半導体チップ10を各突起電極14に対応する電極パッド22および電極パッド22上のはんだ24を有する配線基板20に載置する工程と、設置間隔が長い方の電極パッド22b上のはんだ24bのみが溶融する温度に半導体チップ10および配線基板20を加熱する工程と、溶融したはんだにより半導体チップをセルフアライメントする工程と、突起電極14および設置間隔が長い方の電極パッド22a上のはんだ24aが溶融する温度に半導体チップ10および配線基板20をさらに加熱する工程とを備える。
【選択図】図5
Description
Claims (9)
- 設置間隔が異なる複数の突起電極が形成された電子部品を実装するための配線基板であって、
前記突起電極に対応して設けられた電極パッドと、
前記電極パッドの上に設けられたはんだと、
を備え、
設置間隔が長い方の電極パッド上のはんだの融点が設置間隔が短い方の電極パッド上のはんだの融点より低いことを特徴とする配線基板。 - 設置間隔が長い方の電極パッドの一部あるいは全部が前記電子部品との電気的な接続に用いられず、前記電子部品の固定にのみ使用されることを特徴とする請求項1に記載の配線基板。
- フリップチップ実装型の半導体チップの実装に用いられることを特徴とする請求項1または2に記載の配線基板。
- 配線基板に電子部品が実装された構造であって、
前記電子部品に設けられた設置間隔が異なる複数の突起電極と、各突起電極に対応して前記配線基板に設けられた電極パッド上のはんだとが接合し、
設置間隔が長い方の電極パッド上のはんだの融点が設置間隔が短い方の電極パッド上のはんだの融点および前記突起電極の融点より低いことを特徴とする電子部品実装装構造。 - 設置間隔が長い方の電極パッドの一部あるいは全部が前記電子部品との電気的な接続に用いられず、前記電子部品の固定にのみ使用されていることを特徴とする請求項4に記載の電子部品実装構造。
- 前記電子部品が半導体チップであり、前記半導体チップが前記配線基板にフリップチップ実装されていることを特徴とする請求項4または5に記載の電子部品実装構造。
- 設置間隔が異なる複数の突起電極が形成された電子部品を各突起電極に対応する電極パッドおよび前記電極パッド上のはんだを有する配線基板に載置する工程と、
設置間隔が長い方の電極パッド上のはんだのみが溶融する温度に前記電子部品および前記配線基板を加熱する工程と、
溶融したはんだにより電子部品をセルフアライメントする工程と、
前記突起電極および設置間隔が長い方の電極パッド上のはんだが溶融する温度に前記電子部品および前記配線基板をさらに加熱する工程と、
を備えることを特徴とする電子部品実装方法。 - 設置間隔が長い方の電極パッドの一部あるいは全部が前記電子部品との電気的な接続に用いられず、前記電子部品の固定にのみ使用される配線基板が用いられることを特徴とする請求項7に記載の電子部品実装方法。
- 前記電子部品としてフリップチップ実装型の半導体チップが用いられることを特徴とする請求項7または8に記載の電子部品実装方法。
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US11/600,928 US7436682B2 (en) | 2005-11-25 | 2006-11-16 | Wiring board, electronic component mounting structure, and electronic component mounting method |
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US7495927B2 (en) * | 2007-01-24 | 2009-02-24 | Epson Imaging Devices Corporation | Mount structure, electro-optical device, and electronic apparatus |
DE102010015520A1 (de) * | 2010-04-16 | 2011-10-20 | Pac Tech-Packaging Technologies Gmbh | Verfahren und Vorrichtung zur Ausbildung von Lotdepots |
JP2013074054A (ja) * | 2011-09-27 | 2013-04-22 | Renesas Electronics Corp | 電子装置、配線基板、及び、電子装置の製造方法 |
CN104681530B (zh) * | 2013-11-26 | 2017-09-26 | 日月光半导体制造股份有限公司 | 半导体结构及其制造方法 |
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US3380155A (en) * | 1965-05-12 | 1968-04-30 | Sprague Electric Co | Production of contact pads for semiconductors |
JP3152834B2 (ja) * | 1993-06-24 | 2001-04-03 | 株式会社東芝 | 電子回路装置 |
JPH07221105A (ja) * | 1994-01-31 | 1995-08-18 | Fujitsu Ltd | 半導体装置の製造方法及び半導体装置 |
JPH09246319A (ja) | 1996-03-06 | 1997-09-19 | Kokusai Electric Co Ltd | フリップチップ実装方法 |
JP3863213B2 (ja) * | 1996-03-27 | 2006-12-27 | 株式会社ルネサステクノロジ | 半導体装置 |
JP4105409B2 (ja) * | 2001-06-22 | 2008-06-25 | 株式会社ルネサステクノロジ | マルチチップモジュールの製造方法 |
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KR20150125970A (ko) * | 2013-02-28 | 2015-11-10 | 하마마츠 포토닉스 가부시키가이샤 | 반도체 광검출 장치 |
KR102059233B1 (ko) * | 2013-02-28 | 2019-12-24 | 하마마츠 포토닉스 가부시키가이샤 | 반도체 광검출 장치 |
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