JP2007281172A - 電子部品実装構造及びその製造方法 - Google Patents
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Abstract
【解決手段】 絶縁基板1上には、電極3、囲み形状のアース電極6が形成され、さらに前記囲み形状内から絶縁基板1の表面1aが露出する非金属領域7bが設けられる。電子部品4の裏面4aには、前記非金属領域7bと対向する位置にアース端子8が設けられている。前記非金属領域7bと前記アース端子8間は半田粒子と樹脂を主成分とする半田接着剤により接合されている。前記半田粒子は前記アース端子8に凝集して半田層12を形成し、前記樹脂は、樹脂層13として前記アース端子8と前記非金属領域7b間を接着している。これにより前記電子部品4と絶縁基板1間の接合強度を適切に向上させることが出来る。
【選択図】 図2
Description
よって、前記電子部品と絶縁基板間の接合強度を強くする必要があった。
表面に電極が設けられた絶縁基板と、前記電極と電気的に接続される端子を備えた電子部品と、を有し、
前記絶縁基板と前記電子部品のどちらか一方の対向面には、他方の対向面の非金属領域と対向する位置に、第1の金属領域が形成され、
前記第1の金属領域と前記非金属領域間は、半田粒子と樹脂を主成分とする半田接着剤により接合され、前記半田粒子は前記第1の金属領域側に凝集して半田層を形成し、前記樹脂は、前記第1の金属領域と前記非金属領域間を接着していることを特徴とするものである。
前記絶縁基板と前記電子部品のどちらか一方の対向面には、他方の対向面の非金属領域と対向する位置に、第1の金属領域が形成されており、
前記電極と前記端子間を、半田粒子と樹脂を主成分とする半田接着剤により半田接合し、このとき、前記半田接着剤と同じ半田接着剤を用い、前記電極と前記端子間の接合工程と同工程にて、前記非金属領域と前記第1の金属領域間を前記半田接着剤に含まれる前記樹脂により接着することを特徴とするものである。
前記半田接着剤を、前記電極上及び前記絶縁基板表面に塗布した後、前記電子部品を前記半田接着剤を介して前記絶縁基板上に接合することが好ましい。これにより、前記絶縁基板と電子部品間をより強く接合できる。
前記半田接着剤を、前記電極上、前記第2の金属領域上及び前記絶縁基板表面に塗布した後、前記電子部品を前記半田接着剤を介して前記絶縁基板上に接合することが好ましい。かかる場合、前記第2の金属領域を囲み形状で形成し、前記囲み形状内に前記非金属領域としての前記絶縁基板表面を露出させておき、前記囲み形状内の前記絶縁基板表面と前記第1の金属領域間を前記半田接着剤により接合することが、前記絶縁基板に対する電子部品のアライメント精度の低下を抑制できて好ましい。
このように実施例は比較例に比べて飛躍的に接合強度を向上できることがわかった。
2 配線部材
3 電極
4 電子部品
5 端子
6 アース電極(金属膜)
8 アース端子(金属膜)
10、11、12 半田層
13 樹脂層
20、21、22 半田接着剤
Claims (10)
- 表面に電極が設けられた絶縁基板と、前記電極と電気的に接続される端子を備えた電子部品と、を有し、
前記絶縁基板と前記電子部品のどちらか一方の対向面には、他方の対向面の非金属領域と対向する位置に、第1の金属領域が形成され、
前記第1の金属領域と前記非金属領域間は、半田粒子と樹脂を主成分とする半田接着剤により接合され、前記半田粒子は前記第1の金属領域側に凝集して半田層を形成し、前記樹脂は、前記第1の金属領域と前記非金属領域間を接着していることを特徴とする電子部品実装構造。 - 前記電極と前記端子間は、前記第1の金属領域と前記非金属領域間を接合するのに用いた前記半田接着剤と同じ半田接着剤により半田接合されている請求項1記載の電子部品実装構造。
- 前記第1の金属領域は前記電子部品の裏面に形成され、前記非金属領域は、前記絶縁基板の表面である請求項1または2に記載の電子部品実装構造。
- 前記絶縁基板の表面には、前記電子部品の裏面に形成された前記第1の金属領域との対向領域の一部に、第2の金属領域が形成され、残りの前記対向領域に前記非金属領域としての前記絶縁基板の表面が露出しており、前記第1の金属領域と前記第2の金属領域間は、前記第1の金属領域と前記絶縁基板表面間の接合に用いた前記半田接着剤と同じ半田接着剤によって半田接合されている請求項3記載の電子部品実装構造。
- 前記第2の金属領域は囲み形状であり、前記囲み形状内に前記非金属領域としての前記絶縁基板の表面が露出し、前記囲み形状内の前記絶縁基板表面と前記第1の金属領域間が前記半田接着剤により接合されている請求項4記載の電子部品実装構造。
- 表面に電極が設けられた絶縁基板と、前記電極と電気的に接続される端子を備えた電子部品と、を有し、前記絶縁基板上に前記電子部品を実装して成る電子部品実装構造の製造方法において、
前記絶縁基板と前記電子部品のどちらか一方の対向面には、他方の対向面の非金属領域と対向する位置に、第1の金属領域が形成されており、
前記電極と前記端子間を、半田粒子と樹脂を主成分とする半田接着剤により半田接合し、このとき、前記半田接着剤と同じ半田接着剤を用い、前記電極と前記端子間の接合工程と同工程にて、前記非金属領域と前記第1の金属領域間を前記半田接着剤に含まれる前記樹脂により接着することを特徴とする電子部品実装構造の製造方法。 - 前記樹脂は熱硬化性樹脂であり、前記半田接着剤の塗布後、加熱して、前記半田粒子を溶融し、前記電極と前記端子間を半田接合するとともに、前記樹脂を熱硬化させて前記非金属領域と前記第1の金属領域間を接着する請求項6記載の電子部品実装構造の製造方法。
- 前記第1金属領域は、前記電子部品の裏面に形成され、前記絶縁基板の表面が前記非金属領域であり、
前記半田接着剤を、前記電極上及び前記絶縁基板表面に塗布した後、前記電子部品を前記半田接着剤を介して前記絶縁基板上に接合する請求項6または7に記載の電子部品実装構造の製造方法。 - 前記絶縁基板の表面であって、前記電子部品の裏面に形成された前記第1の金属領域との対向領域の一部に、第2の金属領域を形成し、残りの前記対向領域に前記非金属領域としての前記絶縁基板の表面を露出させておき、
前記半田接着剤を、前記電極上、前記第2の金属領域上及び前記絶縁基板表面に塗布した後、前記電子部品を前記半田接着剤を介して前記絶縁基板上に接合する請求項8記載の電子部品実装構造の製造方法。 - 前記第2の金属領域を囲み形状で形成し、前記囲み形状内に前記非金属領域としての前記絶縁基板表面を露出させておき、前記囲み形状内の前記絶縁基板表面と前記第1の金属領域間を前記半田接着剤により接合する請求項9記載の電子部品実装構造の製造方法。
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| JP2006105249A JP4949718B2 (ja) | 2006-04-06 | 2006-04-06 | 電子部品実装構造 |
| US11/697,196 US20070235844A1 (en) | 2006-04-06 | 2007-04-05 | Electronic device mounting structure and method of manufacturing the same |
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| JP2011199029A (ja) * | 2010-03-19 | 2011-10-06 | Fujitsu Ltd | 回路基板、電子機器、回路基板の製造方法、及び半導体装置の交換方法 |
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| JP4522939B2 (ja) * | 2005-10-31 | 2010-08-11 | アルプス電気株式会社 | 基板と部品間の接合構造及びその製造方法 |
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| JP4949718B2 (ja) | 2012-06-13 |
| US20070235844A1 (en) | 2007-10-11 |
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