JP7070661B2 - 半導体装置 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims description 111
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- 239000000463 material Substances 0.000 description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 18
- 229910045601 alloy Inorganic materials 0.000 description 12
- 239000000956 alloy Substances 0.000 description 12
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- 229910052751 metal Inorganic materials 0.000 description 9
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- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 7
- 229910010271 silicon carbide Inorganic materials 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
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- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
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- 239000011651 chromium Substances 0.000 description 2
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- 239000010931 gold Substances 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
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- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QLTBJHSQPNVBLW-UHFFFAOYSA-N [Bi].[In].[Ag].[Sn] Chemical compound [Bi].[In].[Ag].[Sn] QLTBJHSQPNVBLW-UHFFFAOYSA-N 0.000 description 1
- JVCDUTIVKYCTFB-UHFFFAOYSA-N [Bi].[Zn].[Sn] Chemical compound [Bi].[Zn].[Sn] JVCDUTIVKYCTFB-UHFFFAOYSA-N 0.000 description 1
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- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
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- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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Description
また、本発明の一観点によれば、半導体素子と、接続端子と、平面視で矩形状のベース板と、前記半導体素子が配置されて、前記ベース板のおもて面上に配置される主基板と、前記接続端子が配置されて、前記ベース板のおもて面上に配置される副基板と、を有し、前記主基板は、前記ベース板のおもて面の一対の長辺に沿った、前記ベース板のおもて面の中央部を含む配置領域に、前記中央部を跨いで配置され、前記副基板は、前記ベース板のおもて面の前記配置領域と前記一対の長辺との間に配置され、前記ベース板は、複数の取り付け孔が、前記一対の長辺に沿って前記一対の長辺側に近い側部にそれぞれ形成されており、前記副基板は、前記複数の取り付け孔のうち隣接する取り付け孔に挟まれて配置され、前記主基板が前記一対の長辺に沿って前記配置領域に複数配置され、前記ベース板の裏面の前記配置領域に対応する冷却領域を取り囲んで、複数の前記主基板のそれぞれに対向する、前記一対の長辺に平行な2辺に沿って連続して配置された密閉部材を挟んで前記裏面に取り付けられた冷却部をさらに有し、前記複数の取り付け孔は、前記ベース板の前記密閉部材の外側に配置され、前記冷却部は、前記ベース板の裏面との間に、前記一対の長辺に沿って、前記取り付け孔より前記ベース板の中央部側に前記密閉部材があり、前記取り付け孔より前記ベース板の外側に弾性部材が設けられている、半導体装置を提供する。
図1は、第1の実施の形態における半導体装置の平面図であり、図2は、第1の実施の形態における半導体装置の断面図である。なお、図2は、いずれも図1における一点鎖線Y-Yによる断面図である。また、図2(A)は、半導体ユニット10が冷却器50を備える場合を、図2(B)は、半導体ユニット10がヒートシンク50aを備える場合をそれぞれ表している。
第2の実施の形態は、第1の実施の形態よりも、半導体素子からの熱によるベース板に生じる熱応力による歪みを抑制することができる半導体装置について、図3及び図4を用いて説明する。
11 主セラミック回路基板
11a,21a,31a 絶縁板
11b,21b,31b 導電パターン
11c,21c,31c 金属板
12 半導体素子
13 主端子
20,30 接続端子ユニット
21,31 副セラミック回路基板
22,32 接続端子
40 ベース板
41a,41b 長辺
41c,41d 短辺
42 配置領域
43a,43b 取り付け孔
43a1,43a2,43b1,43b2 溝部
50 冷却器
50a ヒートシンク
51 平板部
52 フィン
53 ネジ
54 密閉部材
55 放熱グリース
56 弾性部材
57 ウォータージャケット
57a 開放部
58 冷媒
60,60a 半導体装置
Claims (4)
- 半導体素子と、
接続端子と、
平面視で矩形状のベース板と、
前記半導体素子が配置されて、前記ベース板のおもて面上に配置される主基板と、
前記接続端子が配置されて、前記ベース板のおもて面上に配置される副基板と、
を有し、
前記主基板は、前記ベース板のおもて面の一対の長辺に沿った、前記ベース板のおもて面の中央部を含む配置領域に、前記中央部を跨いで配置され、
前記副基板は、前記ベース板のおもて面の前記配置領域と前記一対の長辺との間に配置され、
前記主基板が複数あって、
複数の前記主基板が前記中央部を跨いで一列に配置されている、
半導体装置。 - 半導体素子と、
接続端子と、
平面視で矩形状のベース板と、
前記半導体素子が配置されて、前記ベース板のおもて面上に配置される主基板と、
前記接続端子が配置されて、前記ベース板のおもて面上に配置される副基板と、
を有し、
前記主基板は、前記ベース板のおもて面の一対の長辺に沿った、前記ベース板のおもて面の中央部を含む配置領域に、前記中央部を跨いで配置され、
前記副基板は、前記ベース板のおもて面の前記配置領域と前記一対の長辺との間に配置され、
前記ベース板は、複数の取り付け孔が、前記一対の長辺に沿って前記一対の長辺側に近い側部にそれぞれ形成されており、
前記副基板は、前記複数の取り付け孔のうち隣接する取り付け孔に挟まれて配置され、
前記主基板が前記一対の長辺に沿って前記配置領域に複数配置され、
前記ベース板の裏面の前記配置領域に対応する冷却領域を取り囲んで、複数の前記主基板のそれぞれに対向する、前記一対の長辺に平行な2辺に沿って連続して配置された密閉部材を挟んで前記裏面に取り付けられた冷却部をさらに有し、
前記複数の取り付け孔は、前記ベース板の前記密閉部材の外側に配置され、
前記冷却部は、前記ベース板の裏面との間に、前記一対の長辺に沿って、前記取り付け孔より前記ベース板の中央部側に前記密閉部材があり、前記取り付け孔より前記ベース板の外側に弾性部材が設けられている、
半導体装置。 - 前記主基板は、前記半導体素子と、前記半導体素子の主電極と電気的に接続された主端子とが配置され、
前記副基板は、前記半導体素子の制御電極またはセンス素子の少なくともいずれかに電気的に接続された制御端子が配置されている、
請求項1または2に記載の半導体装置。 - 前記ベース板上の前記副基板と前記隣接する取り付け孔とのそれぞれの間に、前記ベース板の短手方向に沿った溝部が形成されている、
請求項2に記載の半導体装置。
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