JP6983178B2 - 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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- H10W40/255—Arrangements for cooling characterised by their materials having a laminate or multilayered structure, e.g. direct bond copper [DBC] ceramic substrates
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Description
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の搭載部11aに搭載された電子素子2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、第2の実施形態による電子素子搭載用基板について、図6〜図9を参照しつつ説明する。
次に、第3の実施形態による電子装置について、図10〜図13を参照しつつ説明する。
第2基板122(中間) :熱伝導率λy2≒熱伝導率λz2>>熱伝導率λx2
第2基板123(下面側) :熱伝導率λx3≒熱伝導率λz3>>熱伝導率λy3
第2基板121と第2基板123の熱伝導率λは、平面方向におけるX方向と厚み方向におけるZ方向とで同等であり、平面方向におけるY方向が異なっている。第2基板122の熱伝導率λは、平面方向におけるY方向と厚み方向におけるZ方向とで同等であり、平面方向におけるX方向が異なっている。例えば、第2基板121の熱伝導率λx1および熱伝導率λz1は、1000W/m・K程度であり、第2基板12の熱伝導率λy1は、4W/m・K程度である。第2基板122の熱伝導率λy2および熱伝導率λz2は、1000W/m・K程度であり、第2基板12の熱伝導率λx2は、4W/m・K程度である。第2基板123の熱伝導率λx3および熱伝導率λz3は、1000W/m・K程度であり、第2基板123の熱伝導率λy3は、4W/m・K程度である。
基板123)の熱伝導率が大きくなる方向同士が垂直に交わっている。これにより、第2基
板123より第1基板122への伝熱が面全体として放熱できるので、電子素子2の長手方向への膨張を低減し、電子素子2の位置ずれ、または電子素子搭載用基板1の歪みを抑制することで良好に光を放出しやすくすることができる。
Claims (5)
- 2つの第1基板と、
該2つの第1基板の間に位置する複数の第2基板と、を備え、
前記2つの第1基板のうち、一方の第1基板は、第1主面および該第1主面と反対側の第2主面を有し、前記第1主面に電子素子の搭載部を有し、該搭載部は矩形状であり、
前記複数の第2基板は、炭素材料からなり、第3主面および該第3主面と反対側の第4主面を有し、前記第3主面が前記第2主面と対向し、前記第1基板の厚み方向に積層されており、
前記搭載部の長手方向の一端部は、前記第1主面の外縁部、および平面透視における前記複数の第2基板の外縁部且つ他方の第1基板の外縁部に位置しており、
平面透視において、前記一方の第1基板に最も近い前記第3主面は、前記搭載部の長手方向の熱伝導より前記搭載部の長手方向に垂直に交わる方向の熱伝導が大きく、
前記複数の第2基板における隣接する2つの第2基板は、該隣接する2つの第2基板のうちの一方の熱伝導率が大きい方向と、前記隣接する2つの第2基板のうちの他方の熱伝導率が大きい方向とが、平面透視において、垂直に交わる、電子素子搭載用基板。 - 平面透視において、前記第2基板は、前記一端部が位置した側に第1側面を有しており、
該第1側面は、前記第2基板の厚み方向に垂直に交わる方向より前記第2基板の厚み方向の熱伝導が大きい、請求項1に記載の電子素子搭載用基板。 - 前記第2基板は、前記第1側面と相対する第2側面を有しており、
該第2側面は、前記第2基板の厚み方向に垂直に交わる方向より前記第2基板の厚み方向の熱伝導が大きい、請求項2に記載の電子素子搭載用基板。 - 請求項1乃至請求項3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前記搭載部に搭載された電子素子と、
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とを有している、電子装置。 - 請求項4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、電子モジュール。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016249415 | 2016-12-22 | ||
| JP2016249415 | 2016-12-22 | ||
| JP2017226902 | 2017-11-27 | ||
| JP2017226902 | 2017-11-27 | ||
| PCT/JP2017/045979 WO2018117232A1 (ja) | 2016-12-22 | 2017-12-21 | 電子素子搭載用基板、電子装置および電子モジュール |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2018117232A1 JPWO2018117232A1 (ja) | 2019-11-07 |
| JP6983178B2 true JP6983178B2 (ja) | 2021-12-17 |
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| JP2018558076A Active JP6983178B2 (ja) | 2016-12-22 | 2017-12-21 | 電子素子搭載用基板、電子装置および電子モジュール |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11114365B2 (ja) |
| EP (1) | EP3561865A4 (ja) |
| JP (1) | JP6983178B2 (ja) |
| CN (2) | CN116544773A (ja) |
| WO (1) | WO2018117232A1 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116544773A (zh) * | 2016-12-22 | 2023-08-04 | 京瓷株式会社 | 电子元件搭载用基板、电子装置以及电子模块 |
| EP3806587B1 (en) * | 2018-05-29 | 2024-05-29 | Kyocera Corporation | Electronic element mounting substrate, electronic device, and electronic module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5494753A (en) * | 1994-06-20 | 1996-02-27 | General Electric Company | Articles having thermal conductors of graphite |
| EP1055650B1 (en) * | 1998-11-11 | 2014-10-29 | Totankako Co., Ltd. | Carbon-based metal composite material, method for preparation thereof and use thereof |
| US6503626B1 (en) * | 2000-02-25 | 2003-01-07 | Graftech Inc. | Graphite-based heat sink |
| JP4856821B2 (ja) * | 2000-09-06 | 2012-01-18 | 三洋電機株式会社 | 半導体装置 |
| JP3992052B2 (ja) * | 2005-06-28 | 2007-10-17 | Tdk株式会社 | 発熱体用放熱部を備えた薄膜磁気ヘッド |
| US20080019097A1 (en) * | 2005-10-11 | 2008-01-24 | General Electric Company | Thermal transport structure |
| KR20070081840A (ko) * | 2006-02-14 | 2007-08-20 | 삼성전자주식회사 | 광 발생 모듈, 이를 갖는 백라이트 어셈블리 및 표시장치 |
| JP5612471B2 (ja) | 2007-09-07 | 2014-10-22 | スペシャルティ ミネラルズ (ミシガン) インコーポレーテツド | 層状熱拡散器およびその製造方法 |
| US8085531B2 (en) | 2009-07-14 | 2011-12-27 | Specialty Minerals (Michigan) Inc. | Anisotropic thermal conduction element and manufacturing method |
| CN102742008B (zh) * | 2010-02-05 | 2015-07-01 | 三菱综合材料株式会社 | 功率模块用基板及功率模块 |
| JP2011258755A (ja) * | 2010-06-09 | 2011-12-22 | Denso Corp | 熱拡散体および発熱体の冷却装置 |
| JP5316602B2 (ja) * | 2010-12-16 | 2013-10-16 | 株式会社日本自動車部品総合研究所 | 熱拡散部材の接合構造、発熱体の冷却構造、及び熱拡散部材の接合方法 |
| JP5930604B2 (ja) * | 2011-05-12 | 2016-06-08 | 株式会社サーモグラフィティクス | 異方性熱伝導素子の製造方法 |
| JP5944690B2 (ja) | 2012-02-23 | 2016-07-05 | 京セラ株式会社 | 配線基板の製造方法 |
| US11105567B2 (en) | 2012-09-25 | 2021-08-31 | Momentive Performance Materials Quartz, Inc. | Thermal management assembly comprising bulk graphene material |
| JP5784261B2 (ja) * | 2013-02-20 | 2015-09-24 | 三菱電機株式会社 | 冷却装置及びこれを用いた冷却装置付きパワーモジュール |
| US20150096719A1 (en) * | 2013-10-04 | 2015-04-09 | Specialty Minerals (Michigan) Inc. | Apparatus for Dissipating Heat |
| CN104754913B (zh) * | 2013-12-27 | 2018-06-05 | 华为技术有限公司 | 导热复合材料片及其制作方法 |
| JP6423731B2 (ja) * | 2015-02-12 | 2018-11-14 | 株式会社豊田中央研究所 | 半導体モジュール |
| CN116544773A (zh) * | 2016-12-22 | 2023-08-04 | 京瓷株式会社 | 电子元件搭载用基板、电子装置以及电子模块 |
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2017
- 2017-12-21 CN CN202310518748.XA patent/CN116544773A/zh active Pending
- 2017-12-21 WO PCT/JP2017/045979 patent/WO2018117232A1/ja not_active Ceased
- 2017-12-21 EP EP17882409.0A patent/EP3561865A4/en not_active Withdrawn
- 2017-12-21 US US16/470,606 patent/US11114365B2/en active Active
- 2017-12-21 CN CN201780076885.5A patent/CN110062955B/zh active Active
- 2017-12-21 JP JP2018558076A patent/JP6983178B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US11114365B2 (en) | 2021-09-07 |
| EP3561865A4 (en) | 2020-08-19 |
| US20190311971A1 (en) | 2019-10-10 |
| JPWO2018117232A1 (ja) | 2019-11-07 |
| CN116544773A (zh) | 2023-08-04 |
| CN110062955A (zh) | 2019-07-26 |
| EP3561865A1 (en) | 2019-10-30 |
| WO2018117232A1 (ja) | 2018-06-28 |
| CN110062955B (zh) | 2023-05-23 |
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