JP5382049B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP5382049B2 JP5382049B2 JP2011083473A JP2011083473A JP5382049B2 JP 5382049 B2 JP5382049 B2 JP 5382049B2 JP 2011083473 A JP2011083473 A JP 2011083473A JP 2011083473 A JP2011083473 A JP 2011083473A JP 5382049 B2 JP5382049 B2 JP 5382049B2
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- cooling means
- semiconductor
- refrigerant
- metal
- heat
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Description
半導体実装体(100)の放熱面は、これら両グリス(300、310)を介して冷却手段(200)に接触しており、
導電性のグリス(310)を介して、導体層(23、33)と冷却手段(200)との電気的接続がなされていることを特徴とする。
図1(a)は、本発明の第1実施形態に係る半導体装置の概略断面構成を示す図であり、図1(b)は図1(a)中の丸で囲まれたA部の拡大図である。また、図2は、図1に示される本半導体装置の概略平面構成を示す図であり、第2の金属体30を省略して、モールド樹脂60の内部に位置する構成要素を示したものである。
図3(a)は、本発明の第2実施形態に係る半導体装置の概略断面構成を示す図であり、図3(b)は、図3(a)中の丸で囲まれたB部の拡大図である。ここでは、本実施形態と上記第1実施形態との相違点を中心に述べることとする。
図6は、本発明の第3実施形態に係る半導体装置の概略断面構成を示す図である。
図7は、本発明の第4実施形態に係る半導体装置の概略断面構成を示す図である。
図8は、本発明の第5実施形態に係る半導体装置の概略断面構成を示す図である。
図9は、本発明の第6実施形態に係る半導体装置を示す図であり、(a)は概略斜視図、(b)は(a)中の一点鎖線C−Cに沿った概略断面図、(c)は(b)中の丸で囲まれたD部の拡大図である。
本発明の第7実施形態は、導電性のグリス310により、半導体実装体100の放熱面である導体層23と冷却手段200との間を埋める構成において、導電性のグリス301のはみ出しによる周辺部品の短絡防止を目的として成されるものである。
なお、上記した導体層23、33は、グリス300、310を介して接触する冷却手段200の部分を構成する金属と同じ金属よりなるものであってもよい。たとえば、両者ともアルミであったり、銅であったりするものにできる。それによれば、導体層23、33とこれに接する冷却手段200とが同じ金属であるから、電蝕防止が期待され、好ましい。
20 第1の金属体
21 第1の金属体の金属部
22 第1の金属体の絶縁層
23 第1の金属体の導体層
30 第2の金属体
31 第2の金属体の金属部
32 第2の金属体の絶縁層
33 第2の金属体の導体層
60 封止材としてのモールド樹脂
61 穴
90 端子部材
100 半導体実装体
200 冷却手段
201 冷媒流路
202 冷媒
203 突起
300 電気絶縁性のグリス
310 導電性のグリス
400 溝
Claims (6)
- 半導体素子(10)と、一面にて前記半導体素子(10)と接続され前記半導体素子(10)からの熱を伝達する金属体(20、30)と、前記半導体素子(10)および前記金属体(20、30)を包み込んで封止する封止材(60)とを有し、前記金属体(20、30)の他面が放熱面として前記封止材(60)から露出している半導体実装体(100)を備え、
前記金属体(20、30)は、金属よりなる金属部(21、31)、電気絶縁性の絶縁層(22、32)、導電性の導体層(23、33)が順次積層されたものであって、前記導体層(23、33)が前記放熱面を構成しているものであり、
冷媒(202)が流通する冷媒流路(201)を有する冷却手段(200)が備えられており、
前記冷却手段(200)の前記冷媒(202)で前記導体層(23、33)を冷却することにより、前記半導体実装体(100)の熱を前記冷媒(202)に放熱するようになっており、
前記半導体実装体(100)の前記放熱面と前記冷却手段(200)との間は、熱伝導性の粘性体(300)で埋められ、当該放熱面は、前記粘性体(300)を介して前記冷却手段(200)に接触しており、
前記導体層(23、33)と前記冷却手段(200)とが電気的に接続されている半導体装置であって、
前記半導体実装体(100)の前記放熱面は、前記粘性体としての電気絶縁性のグリス(300)を介して前記冷却手段(200)に接触しており、
前記放熱面は、前記封止材(60)における前記冷却手段(200)との対向面よりも前記冷却手段(200)側に突出した面として構成されており、
この突出した前記放熱面を、前記グリス(300)を介して前記冷却手段(200)に押し当てることで、前記放熱面における周辺部が前記冷却手段(200)に直接接触し、この接触部分にて前記導体層(23、33)と前記冷却手段(200)との電気的接続がなされていることを特徴とする半導体装置。 - 半導体素子(10)と、一面にて前記半導体素子(10)と接続され前記半導体素子(10)からの熱を伝達する金属体(20、30)と、前記半導体素子(10)および前記金属体(20、30)を包み込んで封止する封止材(60)とを有し、前記金属体(20、30)の他面が放熱面として前記封止材(60)から露出している半導体実装体(100)を備え、
前記金属体(20、30)は、金属よりなる金属部(21、31)、電気絶縁性の絶縁層(22、32)、導電性の導体層(23、33)が順次積層されたものであって、前記導体層(23、33)が前記放熱面を構成しているものであり、
冷媒(202)が流通する冷媒流路(201)を有する冷却手段(200)が備えられており、
前記冷却手段(200)の前記冷媒(202)で前記導体層(23、33)を冷却することにより、前記半導体実装体(100)の熱を前記冷媒(202)に放熱するようになっており、
前記半導体実装体(100)の前記放熱面と前記冷却手段(200)との間は、熱伝導性の粘性体(300)で埋められ、当該放熱面は、前記粘性体(300)を介して前記冷却手段(200)に接触しており、
前記導体層(23、33)と前記冷却手段(200)とが電気的に接続されている半導体装置であって、
前記半導体実装体(100)の前記放熱面は、前記粘性体としての電気絶縁性のグリス(300)を介して前記冷却手段(200)に接触しており、
前記導体層(23、33)は、前記放熱面以外の部位にて前記封止材(60)により封止されており、
前記封止材(60)には、前記導体層(23、33)における前記封止材(60)による封止部位を前記封止材(60)の外部に露出させる穴(61)が設けられており、
前記冷却手段(200)のうち前記穴(61)を介して露出する前記導体層(23、33)と対向する部位には、突起(203)が設けられ、
前記穴(61)を介して露出する前記導体層(23、33)と前記突起(203)とが、前記穴(61)を介して直接接触することで、前記導体層(23、33)と前記冷却手段(200)との電気的接続がなされていることを特徴とする半導体装置。 - 半導体素子(10)と、一面にて前記半導体素子(10)と接続され前記半導体素子(10)からの熱を伝達する金属体(20、30)と、前記半導体素子(10)および前記金属体(20、30)を包み込んで封止する封止材(60)とを有し、前記金属体(20、30)の他面が放熱面として前記封止材(60)から露出している半導体実装体(100)を備え、
前記金属体(20、30)は、金属よりなる金属部(21、31)、電気絶縁性の絶縁層(22、32)、導電性の導体層(23、33)が順次積層されたものであって、前記導体層(23、33)が前記放熱面を構成しているものであり、
冷媒(202)が流通する冷媒流路(201)を有する冷却手段(200)が備えられており、
前記冷却手段(200)の前記冷媒(202)で前記導体層(23、33)を冷却することにより、前記半導体実装体(100)の熱を前記冷媒(202)に放熱するようになっており、
前記半導体実装体(100)の前記放熱面と前記冷却手段(200)との間は、熱伝導性の粘性体(300)で埋められ、当該放熱面は、前記粘性体(300)を介して前記冷却手段(200)に接触しており、
前記導体層(23、33)と前記冷却手段(200)とが電気的に接続されている半導体装置であって、
一端側が前記封止材(60)の内部にて前記導体層(23、33)に電気的に接続され、他端側が前記封止材(60)より突出して前記冷却手段(200)に電気的に接続された端子部材(90)が設けられており、
この端子部材(90)を介して、前記導体層(23、33)と前記冷却手段(200)との電気的接続がなされていることを特徴とする半導体装置。 - 半導体素子(10)と、一面にて前記半導体素子(10)と接続され前記半導体素子(10)からの熱を伝達する金属体(20、30)と、前記半導体素子(10)および前記金属体(20、30)を包み込んで封止する封止材(60)とを有し、前記金属体(20、30)の他面が放熱面として前記封止材(60)から露出している半導体実装体(100)を備え、
前記金属体(20、30)は、金属よりなる金属部(21、31)、電気絶縁性の絶縁層(22、32)、導電性の導体層(23、33)が順次積層されたものであって、前記導体層(23、33)が前記放熱面を構成しているものであり、
冷媒(202)が流通する冷媒流路(201)を有する冷却手段(200)が備えられており、
前記冷却手段(200)の前記冷媒(202)で前記導体層(23、33)を冷却することにより、前記半導体実装体(100)の熱を前記冷媒(202)に放熱するようになっており、
前記導体層(23、33)と前記冷却手段(200)とが電気的に接続されている半導体装置であって、
前記封止材(60)の一部が、前記冷媒(202)が流れる冷媒流路(201)を構成することで前記冷却手段とされており、前記冷媒(202)を前記放熱面に直接接触して流すようになっており、
前記冷媒(202)は、導電性を有するものとされることによって、前記導体層(23、33)と前記冷却手段(200)の前記冷媒(202)との電気的接続がなされていることを特徴とする半導体装置。 - 半導体素子(10)と、一面にて前記半導体素子(10)と接続され前記半導体素子(10)からの熱を伝達する金属体(20、30)と、前記半導体素子(10)および前記金属体(20、30)を包み込んで封止する封止材(60)とを有し、前記金属体(20、30)の他面が放熱面として前記封止材(60)から露出している半導体実装体(100)を備え、
前記金属体(20、30)は、金属よりなる金属部(21、31)、電気絶縁性の絶縁層(22、32)、導電性の導体層(23、33)が順次積層されたものであって、前記導体層(23、33)が前記放熱面を構成しているものであり、
冷媒(202)が流通する冷媒流路(201)を有する冷却手段(200)が備えられており、
前記冷却手段(200)の前記冷媒(202)で前記導体層(23、33)を冷却することにより、前記半導体実装体(100)の熱を前記冷媒(202)に放熱するようになっており、
前記半導体実装体(100)の前記放熱面と前記冷却手段(200)との間は、熱伝導性の粘性体(300、310)で埋められ、当該放熱面は、前記粘性体(300、310)を介して前記冷却手段(200)に接触しており、
前記導体層(23、33)と前記冷却手段(200)とが電気的に接続されている半導体装置であって、
前記半導体実装体(100)の前記放熱面と前記冷却手段(200)との間にて、前記粘性体としての導電性のグリス(310)と、この導電性のグリス(310)の外側を取り囲むように配置された前記粘性体としての電気絶縁性のグリス(300)とが介在しており、
前記半導体実装体(100)の前記放熱面は、これら両グリス(300、310)を介して前記冷却手段(200)に接触しており、
前記導電性のグリス(310)を介して、前記導体層(23、33)と前記冷却手段(200)との電気的接続がなされていることを特徴とする半導体装置。 - 前記半導体実装体(100)と前記冷却手段(200)との間にて、前記半導体実装体(100)および前記冷却手段(200)の少なくとも一方には、前記導電性のグリス(310)の外周を取り囲む溝(400)が設けられており、
前記導電性のグリス(310)の拡がりが前記溝(400)で留められていることを特徴とする請求項5に記載の半導体装置。
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JP2011083473A JP5382049B2 (ja) | 2010-06-30 | 2011-04-05 | 半導体装置 |
US13/170,475 US8558375B2 (en) | 2010-06-30 | 2011-06-28 | Semiconductor package cooled by grounded cooler |
CN201110185855.2A CN102315181B (zh) | 2010-06-30 | 2011-06-30 | 半导体器件 |
US14/024,917 US8957517B2 (en) | 2010-06-30 | 2013-09-12 | Semiconductor device including cooler |
US14/220,277 US8884426B2 (en) | 2010-06-30 | 2014-03-20 | Semiconductor device including cooler |
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JP5747737B2 (ja) | 2011-08-26 | 2015-07-15 | 三菱電機株式会社 | 半導体装置とその製造方法 |
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US12068174B2 (en) | 2019-07-25 | 2024-08-20 | Hitachi Energy Ltd | Arrangement of a power semiconductor module and a cooler |
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