JP7496796B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP7496796B2 JP7496796B2 JP2021055030A JP2021055030A JP7496796B2 JP 7496796 B2 JP7496796 B2 JP 7496796B2 JP 2021055030 A JP2021055030 A JP 2021055030A JP 2021055030 A JP2021055030 A JP 2021055030A JP 7496796 B2 JP7496796 B2 JP 7496796B2
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- Prior art keywords
- semiconductor element
- metal member
- lead electrode
- semiconductor device
- bonding material
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- 239000004065 semiconductor Substances 0.000 title claims description 193
- 229910052751 metal Inorganic materials 0.000 claims description 103
- 239000002184 metal Substances 0.000 claims description 103
- 239000000463 material Substances 0.000 claims description 57
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000020169 heat generation Effects 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
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- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 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
- 238000005476 soldering Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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Description
<半導体装置の構成>
実施の形態1について、図面を用いて以下に説明する。図1は、実施の形態1に係る半導体装置の組み立て途中を示す断面図である。図2は、実施の形態1に係る半導体装置の断面図である。
以上のように、実施の形態1に係る半導体装置は、ベース部1と、ベース部1上に搭載された半導体素子3と、一端が半導体素子3におけるベース部1に搭載された側とは反対側の主面3aに接合材4bにより接合され、かつ、半導体素子3に対し立設状に設けられた金属部材5と、金属部材5を介して半導体素子3に接続されたリード電極2とを備え、リード電極2は厚み方向に延びる貫通孔6を有し、金属部材5は、リード電極2の貫通孔6に接合材4bの一部と共に挿入された状態で半導体素子3とリード電極2とを接続している。
<半導体装置の構成>
次に、実施の形態2に係る半導体装置について説明する。図3は、実施の形態2に係る半導体装置の組み立て途中を示す断面図である。図4は、実施の形態2に係る半導体装置が備える金属部材5Aの一例を示す斜視図である。図5は、金属部材5Aの別の一例を示す斜視図である。図6は、実施の形態2に係る半導体装置の断面図である。なお、実施の形態2において、実施の形態1で説明したものと同一の構成要素については同一符号を付して説明は省略する。
以上のように、実施の形態2に係る半導体装置では、実施の形態1の場合と同様に、大電流通電時におけるリード電極2の発熱を抑えることができ、かつ、リード電極2と半導体素子3との接合品質を容易に検査することが可能となる。
<半導体装置の構成>
次に、実施の形態3に係る半導体装置について説明する。図7は、実施の形態3に係る半導体装置の組み立て途中を示す断面図である。図8は、実施の形態3に係る半導体装置が備える金属部材5Bの一例を示す斜視図である。図9は、実施の形態3に係る半導体装置が備える金属部材5Bの別の一例を示す斜視図である。図10は、実施の形態3に係る半導体装置の断面図である。なお、実施の形態3において、実施の形態1,2で説明したものと同一の構成要素については同一符号を付して説明は省略する。
以上のように、実施の形態3に係る半導体装置では、実施の形態1の場合と同様に、大電流通電時におけるリード電極2の発熱を抑えることができ、かつ、リード電極2と半導体素子3との接合品質を容易に検査することが可能となる。
<半導体装置の構成>
次に、実施の形態4に係る半導体装置について説明する。図11は、実施の形態4に係る半導体装置の組み立て途中を示す断面図である。図12は、実施の形態4に係る半導体装置が備える金属部材5Cの一例を示す斜視図である。図13は、実施の形態4に係る半導体装置が備える金属部材5Cの別の一例を示す斜視図である。図14は、実施の形態4に係る半導体装置の断面図である。なお、実施の形態4において、実施の形態1~3で説明したものと同一の構成要素については同一符号を付して説明は省略する。
以上のように、実施の形態4に係る半導体装置では、実施の形態1の場合と同様に、大電流通電時におけるリード電極2の発熱を抑えることができ、かつ、リード電極2と半導体素子3との接合品質を容易に検査することが可能となる。
<半導体装置の構成>
次に、実施の形態5に係る半導体装置について説明する。図15は、実施の形態5に係る半導体装置の組み立て途中を示す断面図である。図16は、実施の形態5に係る半導体装置が備える金属部材5Dの一例を示す斜視図である。図17は、実施の形態5に係る半導体装置が備える金属部材5Dの別の一例を示す斜視図である。図18は、実施の形態5に係る半導体装置の断面図である。なお、実施の形態5において、実施の形態1~4で説明したものと同一の構成要素については同一符号を付して説明は省略する。
以上のように、実施の形態5に係る半導体装置では、実施の形態1の場合と同様に、大電流通電時におけるリード電極2の発熱を抑えることができ、かつ、リード電極2と半導体素子3との接合品質を容易に検査することが可能となる。
Claims (6)
- ベース部と、
前記ベース部上に搭載された半導体素子と、
一端が前記半導体素子における前記ベース部に搭載された側とは反対側の主面に接合材により接合され、かつ、前記半導体素子に対し立設状に設けられた金属部材と、
前記金属部材を介して前記半導体素子に接続されたリード電極と、を備え、
前記リード電極は厚み方向に延びる貫通孔を有し、
前記金属部材は、前記リード電極の前記貫通孔に前記接合材の一部と共に挿入された状態で前記半導体素子と前記リード電極とを接続し、
前記リード電極における前記金属部材の周囲に存在する前記接合材に対向する部分には、他の部分よりも下方に延びかつ厚みの厚い肉厚部が形成された、半導体装置。 - 前記金属部材は、一方主面が前記半導体素子の前記主面に接合されかつ他方主面が前記リード電極における前記貫通孔の周辺部に接合される平板部と、前記平板部に対し立設状に設けられかつ前記貫通孔に挿入される柱部とを備え、
前記平板部における前記半導体素子との接合面は、前記柱部における前記貫通孔に挿入される先端部の面よりも大きな面積を有する、請求項1に記載の半導体装置。 - 前記平板部における前記リード電極に対向する側の面に、前記リード電極の方へ突出する第1の突起部が設けられた、請求項2に記載の半導体装置。
- 前記平板部における前記半導体素子との接合面に、前記半導体素子の方へ突出する第2の突起部が設けられた、請求項2に記載の半導体装置。
- 前記平板部における前記半導体素子との接合面に、前記半導体素子の方へ突出する第2の突起部が設けられた、請求項3に記載の半導体装置。
- 前記第1の突起部は、前記第2の突起部に対して長さ、形状、または本数が異なる、請求項5に記載の半導体装置。
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JP2007184525A (ja) | 2005-12-07 | 2007-07-19 | Mitsubishi Electric Corp | 電子機器装置 |
JP2012195500A (ja) | 2011-03-17 | 2012-10-11 | Toshiba Corp | 半導体装置及びその製造方法 |
JP2021015908A (ja) | 2019-07-12 | 2021-02-12 | パナソニックIpマネジメント株式会社 | 半導体装置及び半導体装置の製造方法 |
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