JP7055870B2 - 電子素子搭載用基板、電子装置および電子モジュール - Google Patents
電子素子搭載用基板、電子装置および電子モジュール Download PDFInfo
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Description
本開示の第1の実施形態における電子素子搭載用基板1は、図1~図4に示された例のように、第1基板11と、第2基板12と、第3基板13とを含んでいる。電子装置は、電子素子等用基板1と、電子素子搭載用基板1の搭載部1a(第1搭載部1aともいう)に搭載された電子素子2(第1電子素子2ともいう)と、電子素子搭載用基板1が搭載された配線基板とを含んでいる。電子装置は、例えば電子モジュールを構成するモジュール用基板上の接続パッドに接合材を用いて接続される。
次に、本開示の第2の実施形態による電子装置について、図5~図9および図1~図4を参照しつつ説明する。
次に、本開示の第3の実施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。
次に、本開示の第4の実施形態による電子装置について、図13~図17を参照しつつ説明する。
次に、本開示の第5の実施形態による電子装置について、図18~図22を参照しつつ説明する。
Claims (11)
- 第1主面および該第1主面と反対側に位置する第2主面を有する第1基板と、
平面視で該第1基板の内側に位置し、炭素材料からなり、厚み方向における前記第1主面側に位置した第3主面および該第3主面と反対側に位置する第4主面を有する第2基板と、
平面視で前記第1基板と前記第2基板との間に位置し、炭素材料からなり、厚み方向における前記第1主面側に位置した第5主面および該第5主面と反対側に位置する第6主面を有する第3基板と、
厚み方向における前記第1主面側に位置する、第1電子素子を搭載する第1搭載部と、
厚み方向における前記第2主面側に位置する、第2電子素子を搭載する第2搭載部とを有しており、
前記第2基板および前記第3基板は、それぞれにおいて熱伝導が小さい方向と熱伝導が大きい方向を有しており、
前記第2基板と前記第3基板とは、それぞれにおける熱伝導の小さい方向が互いに垂直に交わり、それぞれにおける熱伝導の大きい方向が互いに垂直に交わるように位置しており、
平面視において、前記第2基板は、厚み方向の熱伝導より平面方向の熱伝導が大きいことを特徴とする電子素子搭載用基板。 - 前記第3基板は矩形状であり、平面視において、前記第2基板は、前記第3基板の長手方向の熱伝導より前記第3基板の長手方向に垂直に交わる方向の熱伝導が大きく、前記第3基板は、長手方向に垂直に交わる方向の熱伝導より長手方向の熱伝導が大きいことを特徴とする請求項1に記載の電子素子搭載用基板。
- 平面視において、前記第3基板は、前記第2基板を挟むように位置していることを特徴とする請求項2に記載の電子素子搭載用基板。
- 平面視において、前記第3基板は、前記第2基板より前記第3基板の長手方向に突出していることを特徴とする請求項2または請求項3に記載の電子素子搭載用基板。
- 前記第3基板は、前記第2基板の辺が延びる方向の熱伝導率が、前記第2基板の辺が延びる方向に垂直に交わる方向の熱伝導率より大きいことを特徴とする請求項1に記載の電子素子搭載用基板。
- 前記第2基板と前記第3基板とは、平面方向で互い違いに位置していることを特徴とする請求項1に記載の電子素子搭載用基板。
- 平面視において、第1搭載部は、第2基板および第3基板との境界を跨ぐように位置していることを特徴とする請求項6に記載の電子素子搭載用基板。
- 前記第1主面に設けられ、前記第1主面と対向する第7主面および該第7主面と反対側に位置する第8主面を有する第4基板と、前記第2主面に設けられ、前記第2主面と対向する第9主面および該第9主面と反対側に位置する第10主面を有する第5基板とを有していることを特徴とする請求項1乃至請求項7のいずれかに記載の電子素子搭載用基板。
- 請求項1乃至請求項8のいずれかに記載の電子素子搭載用基板と、
該電子素子搭載用基板の第1搭載部に搭載された第1電子素子と、
該電子素子搭載用基板の第2搭載部に搭載された第2電子素子とを有していることを特徴とする電子装置。 - 前記電子素子搭載用基板が搭載された配線基板または電子素子収納用パッケージを有していることを特徴とする請求項9に記載の電子装置。
- 請求項9または請求項10に記載の電子装置と、
該電子装置が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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