JP5865921B2 - 回路基板およびそれを用いた電子装置 - Google Patents
回路基板およびそれを用いた電子装置 Download PDFInfo
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- JP5865921B2 JP5865921B2 JP2013552397A JP2013552397A JP5865921B2 JP 5865921 B2 JP5865921 B2 JP 5865921B2 JP 2013552397 A JP2013552397 A JP 2013552397A JP 2013552397 A JP2013552397 A JP 2013552397A JP 5865921 B2 JP5865921 B2 JP 5865921B2
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Description
本発明の第1の実施形態における電子装置は、図1および図2に示されているように回路基板1と、回路基板1に搭載された電子部品7とを含んでいる。
次に、本発明の第2の実施形態による電子装置について図5を参照しつつ説明する。
2・・・・・セラミック基板
3a・・・・第1の金属部
3b・・・・第2の金属部
3c・・・・第3の金属部
31c・・・・第2金属体
4・・・・金属板
41・・・・・金属部材
Claims (6)
- セラミック基板と、
金属層を介して前記セラミック基板上に設けられた金属板とを備えており、
前記金属層が、前記セラミック基板に接している第1の金属部と、前記金属板に接している第2の金属部と、前記第1の金属部および前記第2の金属部の間に設けられた第3の金属部とを含んでおり、前記第1の金属部の一部が、前記第3の金属部を貫くように前記第2の金属部の方向に向かって伸びているとともに、前記第2の金属部に沿って横方向に広がっており、
前記第1の金属部が、第1金属体と該第1金属体内に分散された複数の第2金属体とを有しており、
前記複数の第2金属体と前記第3の金属部とが主成分として同じ金属材料を含んでいることを特徴とする回路基板。 - 前記第2の金属部は、前記第1の金属部および前記第3の金属部よりも高い融点を有する材料から成ることを特徴とする請求項1に記載の回路基板。
- 前記第1の金属部が銀を主成分として含んでおり、
前記第3の金属部が銅またはアルミニウムを主成分として含んでおり、
前記第2の金属部がモリブデン,インバーおよびタングステンのいずれか一種を主成分として含んでおり、前記金属板が銅またはアルミニウムを主成分として含んでいることを特徴とする請求項1または請求項2に記載の回路基板。 - 前記第3の金属部と前記金属板とが主成分として同じ金属材料を含んでいることを特徴とする請求項1〜3のうちいずれかに記載の回路基板。
- 前記第1の金属部がろう材であることを特徴とする請求項1〜4のうちいずれかに記載の回路基板。
- 請求項1〜5のうちいずれかに記載の回路基板と、
該回路基板の前記金属板に搭載された電子部品とを備えていることを特徴とする電子装置。
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