JP5601374B2 - 半導体モジュール - Google Patents
半導体モジュール Download PDFInfo
- Publication number
- JP5601374B2 JP5601374B2 JP2012531634A JP2012531634A JP5601374B2 JP 5601374 B2 JP5601374 B2 JP 5601374B2 JP 2012531634 A JP2012531634 A JP 2012531634A JP 2012531634 A JP2012531634 A JP 2012531634A JP 5601374 B2 JP5601374 B2 JP 5601374B2
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- metal plate
- plate portion
- semiconductor module
- fastening
- semiconductor element
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- H01L2924/11—Device type
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- H01L2924/1304—Transistor
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- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
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- H01—ELECTRIC ELEMENTS
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
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Description
半導体素子と、
前記半導体素子側の第1の面を有する金属板部と、
前記半導体素子及び前記金属板部に樹脂をモールドして形成されるモールド部と、
前記金属板部とは別部材で構成される冷却板部であって、前記金属板部における前記半導体素子側の第1の面とは反対側に設けられ、前記金属板部側とは反対側にフィンを有する冷却板部と、
前記半導体素子と前記金属板部の前記半導体素子側の第1の面との間に設けられるヒートシンク部と、
前記ヒートシンク部と前記金属板部の前記半導体素子側の第1の面との間に設けられる絶縁材とを備え、
前記ヒートシンク部及び前記絶縁材は、前記モールド部内に配置され、
前記絶縁材は、熱伝導性を有し、前記ヒートシンク部の端部よりも側方に延在する端部を有し、
前記冷却板部のフィンは、前記絶縁材の端部よりも中心側に形成されることを特徴とする、半導体モジュールが提供される。
(1)はんだ層82と金属ブロック30の間の境界まで反射せずに到達し、はんだ層82と金属ブロック30の間の境界で反射して直接戻る反射波(以下、第1測定対象反射波という)と、
(2)半導体素子10とはんだ層82の間の境界まで反射せずに到達し、半導体素子10とはんだ層82の間の境界で反射して直接戻る反射波(以下、第2測定対象反射波という)である。
第1測定対象反射波(はんだ層82と金属ブロック30の間の境界で反射して直接戻る反射波)の到達時間は、以下の通りである。
絶縁シート40の厚みは薄く、
までは波が密に詰まっており、内部エコーが重畳し、測定対象反射波が測定不能であると考えると、以下の2つの条件(式(2)及び(3))を満たせば、内部エコーが実質的に重畳せず、測定対象反射波が測定可能である。
10 半導体素子
20 配線部材
20a 端子
22 配線部材
22a 端子
30 金属ブロック
40 絶縁シート
50,501,502 金属板部
50a 金属板部の下面
50b 金属板部の側面
50c 金属板部の上面
51 薄肉部
52,521,522 金属板部の締結部
53 金属板部の締結部の締結穴
57,573 冷却板部
57a,573a フィン
57b シール部
58 冷却板部の締結部
59 冷却板部の締結部の締結穴
60 樹脂モールド部
62 延長側部
66 リブ部
70 グリース
80 はんだ層
82 はんだ層
100 流路形成部材
102 冷却媒体流路
110 ボルト
120 シール材
600 ハイブリッドシステム
602 電池
610 インバータ
612 IPM
616 DC/DC昇圧コンバータ
620,622 モータジェネレータ
Claims (11)
- 半導体モジュールであって、
半導体素子と、
前記半導体素子側の第1の面を有する金属板部と、
前記半導体素子及び前記金属板部に樹脂をモールドして形成されるモールド部と、
前記金属板部とは別部材で構成される冷却板部であって、前記金属板部における前記半導体素子側の第1の面とは反対側に設けられ、前記金属板部側とは反対側にフィンを有する冷却板部と、
前記半導体素子と前記金属板部の前記半導体素子側の第1の面との間に設けられるヒートシンク部と、
前記ヒートシンク部と前記金属板部の前記半導体素子側の第1の面との間に設けられる絶縁材とを備え、
前記ヒートシンク部及び前記絶縁材は、前記モールド部内に配置され、
前記絶縁材は、熱伝導性を有し、前記ヒートシンク部の端部よりも側方に延在する端部を有し、
前記冷却板部のフィンは、前記絶縁材の端部よりも中心側に形成されることを特徴とする、半導体モジュール。 - 半導体モジュールであって、
半導体素子と、
前記半導体素子側の第1の面を有する金属板部であって、端部に締結部を有する金属板部と、
前記半導体素子及び前記金属板部に樹脂をモールドして形成されるモールド部と、
前記金属板部とは別部材で構成される冷却板部であって、前記金属板部における前記半導体素子側の第1の面とは反対側に設けられ、前記金属板部側とは反対側にフィンを有する冷却板部とを備え、
前記金属板部の締結部が、前記モールド部から露出すると共に、前記冷却板部が、前記金属板部の締結部に対応する位置に締結部を有し、
前記金属板部と前記冷却板部は、前記金属板部の締結部と前記冷却板部の締結部とを通して、冷却媒体が連通する冷却媒体通路を形成する流路形成部材に締結されることを特徴とする、半導体モジュール。 - 前記金属板部の厚みは、当該半導体モジュールの前記金属板部側から超音波探傷装置により超音波を入射した際に、測定対象反射波を検出するためのゲート範囲内に、前記金属板部と前記絶縁材の間の界面で反射する内部エコー成分と、前記絶縁材と前記ヒートシンク部の間の界面で反射する内部エコー成分とが実質的に検出されない厚みに設定される、請求項1に記載の半導体モジュール。
- 前記半導体素子は、はんだ層を介して前記ヒートシンク部に設けられ、
前記ゲート範囲は、
前記金属板部における前記冷却板部側の第2の面から入射し、前記はんだ層と前記ヒートシンク部の間の界面で反射して直接戻る第1測定対象反射波の到達時間と、
前記金属板部における前記冷却板部側の第2の面から入射し、前記半導体素子と前記はんだ層の間の界面で反射して直接戻る第2測定対象反射波の到達時間とに基づいて設定される、請求項3に記載の半導体モジュール。 - 前記冷却板部のフィンは、前記ヒートシンク部の端部よりも中心側に形成される、請求 項1に記載の半導体モジュール。
- 前記金属板部と前記冷却板部との間にグリースが塗布される、請求項1に記載の半導体モジュール。
- 前記モールド部は、前記金属板部における前記締結部が存在しない領域において、前記金属板部における冷却板部側の第2の面と同一平面まで延在して前記金属板部の側面に密着する延長側部を有する、請求項1に記載の半導体モジュール。
- 前記半導体素子に接続される配線部材を更に含み、
前記配線部材は、端子が外部に露出する態様で前記モールド部内に配置され、
前記モールド部は、前記配線部材の端子が露出する側部領域において、該側部領域に隣接する側部領域よりも側方に突出したリブ部を有する、請求項1に記載の半導体モジュール。 - 前記金属板部の締結部は、第1の方向で両側の端部にそれぞれ設けられ、
前記金属板部の締結部は、前記金属板部の端部における他の領域よりも前記第1の方向に突出した領域内に形成され、
前記モールド部は、前記第1の方向で前記金属板部の締結部よりも中心側に形成され、
前記金属板部における一方側の端部の締結部は、他方側の端部の締結部に対して、前記第1の方向に直角な第2の方向でオフセットした位置に形成される、請求項1に記載の半導体モジュール。 - 前記金属板部の締結部は、第1の方向で両側の端部にそれぞれ設けられ、
前記金属板部の締結部は、前記金属板部の中央部の板厚よりも薄く形成され、
前記第1の方向で前記金属板部の一方側の端部の締結部は、前記金属板部の半導体素子側の第1の面と面一であり、前記第1の方向で前記金属板部の他方側の端部の締結部は、前記金属板部の冷却板部側の第2の面と面一である、請求項1に記載の半導体モジュール。 - 請求項1〜10のいずれか1項に記載の半導体モジュールを含むハイブリッドシステム。
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WO2012029165A1 (ja) | 2012-03-08 |
US9331001B2 (en) | 2016-05-03 |
EP2613351A1 (en) | 2013-07-10 |
KR20130055655A (ko) | 2013-05-28 |
KR101533895B1 (ko) | 2015-07-03 |
CN103081097A (zh) | 2013-05-01 |
EP2613351A4 (en) | 2016-04-13 |
US20130154084A1 (en) | 2013-06-20 |
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