JP6595580B2 - 配線基板、電子装置および電子モジュール - Google Patents
配線基板、電子装置および電子モジュール Download PDFInfo
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- JP6595580B2 JP6595580B2 JP2017508382A JP2017508382A JP6595580B2 JP 6595580 B2 JP6595580 B2 JP 6595580B2 JP 2017508382 A JP2017508382 A JP 2017508382A JP 2017508382 A JP2017508382 A JP 2017508382A JP 6595580 B2 JP6595580 B2 JP 6595580B2
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
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Description
本発明の第1の参考形態における発光装置は、図1および図2に示された例のように、
配線基板1と、配線基板1の上面に設けられた電子部品2とを含んでいる。電子装置は、図3に示された例のように、例えば電子モジュールを構成するモジュール用基板5上の接続パッド51に接合材6を用いて接続される。
11を貫通して上下に位置する配線層同士を電気的に接続する貫通導体とを含んでいる。
の金めっき層とが順次被着される。
互いに異なる方向に延びるように配置されているので、電子装置の使用時に電子部品2から配線基板1に高い熱が印加されたとしても、絶縁基板11と搭載用電極12および絶縁基板11と端子用電極13の熱膨張率の差による熱応力が同一方向に集中するのを抑制し、配線基板1の変形、ひずみを抑え、電子部品2と配線基板1との間、あるいは配線基板1とモジュール用基板5との間の接続を良好なものとし、信頼性に優れた配線基板1とすることができる。
の0.5倍以上1.5倍以下となるように設けられると、上記効果をより効果的なものとすることができるので好ましい。また、対向するように設けられた搭載用電極12の厚みは、対向するように設けられた端子用電極13の厚みの0.8倍以上1.2倍以下となるように設けられると、より効果的なものとすることができるので好ましい。
次に、本発明の実施形態による電子装置について、図6〜図8を参照しつつ説明する。
1とすることができる。
次に、本発明の第2の参考形態による電子装置について、図10〜図12を参照しつつ説明する。
電極13を3つ以上設けても良いし、第2の参考形態の配線基板1において、絶縁基板11の一方主面に設けられた搭載用電極12を3つ以上設けても構わない。
Claims (9)
- 絶縁基板と、
該絶縁基板の一方主面に、平面視で前記絶縁基板の対向する一組の辺に沿って対向するように設けられた搭載用電極と、
前記絶縁基板の他方主面に、平面透視で前記絶縁基板の対向する他の一組の辺に沿って対向するように設けられた端子用電極と、
前記絶縁基板の一方主面に、平面視で前記搭載用電極に挟まれた凹部とを有しており、
前記絶縁基板の対向する一組の辺に沿った長さにおいて、前記凹部より前記搭載用電極が大きく、
前記凹部は、前記搭載用電極に沿って延びるように設けられており、平面透視で前記端子用電極のそれぞれと直交して重なっていることを特徴とする配線基板。 - 平面透視において、前記搭載用電極と前記端子用電極とが直交していることを特徴とする請求項1に記載の配線基板。
- 平面透視において、前記搭載用電極と前記端子用電極とが重なっていることを特徴とする請求項2に記載の配線基板。
- 平面視において、前記搭載用電極は、前記凹部を取り囲むように、両端部から前記絶縁基板の対向する一組の辺に沿って延出して設けられていることを特徴とする請求項1乃至請求項3のいずれかに記載の配線基板。
- 前記絶縁基板の他方主面に、平面透視で前記端子用電極に挟まれた凹部を有していることを特徴とする請求項1乃至請求項4のいずれかに記載の配線基板。
- 前記凹部は、前記端子用電極に沿って延びるように設けられており、平面透視で前記搭載用電極と重なっていることを特徴とする請求項5に記載の配線基板。
- 平面視において、前記凹部における両端部の幅が中央部の幅より小さいことを特徴とする請求項1乃至請求項6のいずれかに記載の配線基板。
- 請求項1乃至請求項7のいずれかに記載の配線基板と、
該配線基板に搭載された電子部品とを有していることを特徴とする電子装置。 - 請求項8に記載の電子装置と、
接続パッドを有し、前記電子装置が前記接続パッドに接合材を介して接続されたモジュール用基板とを有することを特徴とする電子モジュール。
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