JP2021027137A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2021027137A JP2021027137A JP2019143385A JP2019143385A JP2021027137A JP 2021027137 A JP2021027137 A JP 2021027137A JP 2019143385 A JP2019143385 A JP 2019143385A JP 2019143385 A JP2019143385 A JP 2019143385A JP 2021027137 A JP2021027137 A JP 2021027137A
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- Prior art keywords
- metal plate
- bonding
- semiconductor device
- semiconductor chip
- base material
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 226
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- 239000002184 metal Substances 0.000 claims abstract description 129
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
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- 239000010931 gold Substances 0.000 description 5
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- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
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- 229910021478 group 5 element Inorganic materials 0.000 description 1
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
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Abstract
Description
本実施形態の半導体装置は、第1側面を有する第1ベース材と、第1ベース材の上に設けられた第1絶縁板と、第1絶縁板の上に設けられた第1金属板と、第1金属板の上に設けられた第1半導体チップと、第1金属板と第1半導体チップを接合する第1接合材と、第1ベース材と第1絶縁板を接合する第2接合材と、第2側面を有する第2ベース材と、第2ベース材の上に設けられた第2絶縁板と、第2絶縁板の上に設けられた第2金属板と、第2金属板の上に設けられた第2半導体チップと、第2金属板と第2半導体チップを接合する第3接合材と、第2ベース材と第2絶縁板を接合する第4接合材と、第1側面と第2側面の間に設けられ、第1側面と第2側面が接合されたベース接合部と、を備える。
本実施形態の半導体装置においては、第1接合材30、第2接合材32、第3接合材34及び第4接合材36ははんだであり、第1接合材30の第1融点は第2接合材32の第2融点と等しく、第3接合材34の第3融点は第4接合材36の第4融点と等しい点で、第1実施形態と異なっている。ここで、第1実施形態と重複する内容については、記載を省略する。
本実施形態の半導体装置においては、第1接合材30及び第3接合材34は、電気伝導性を有する焼結材を含む点で、第1及び第2実施形態と異なっている。ここで、第1及び第2実施形態と重複する内容については、記載を省略する。
本実施形態の半導体装置においては、第4金属板20、第5金属板22、第2接合材32及び第4接合材36が設けられていない点で、第1乃至第3実施形態と異なっている。ここで、第1乃至第3実施形態と重複する内容については、記載を省略する。
本実施形態の半導体装置においては、第1接合材30、第2接合材32、第3接合材34及び第4接合材36に、第2実施形態で記載した焼結材を用いる点で、第1乃至第4実施形態と異なっている。ここで、第1乃至第4実施形態と重複する内容については、記載を省略する。
本実施形態の半導体装置においては、第1半導体チップ24の上に設けられた、電気伝導性を有する焼結材を含む第5接合材50と、第5接合材50の上に設けられ、第5接合材50により第1半導体チップ24と接合された第3金属板60と、第3金属板60の上に設けられ、第3金属板60に接続された、銅を含むボンディングワイヤ(ワイヤ)40aと、をさらに備える点で、第1乃至第5実施形態と異なっている。ここで、第1乃至第5実施形態と重複する点については、記載を省略する。
本実施形態の半導体装置においては、ベース材の内部に骨材70が設けられている点で、第1乃至第6実施形態と異なっている。ここで、第1実施形態乃至第6実施形態と重複する点については、記載を省略する。
本実施形態の半導体装置においては、ベース接合部は、第1側面と第2側面の間に設けられた樹脂を含み、第1側面と第2側面は樹脂により接合されている点で、第1乃至第7実施形態と異なっている。ここで、第1乃至第7実施形態と重複する点については、記載を省略する。
2a 側面(第1側面)
2b 側面
4 第2ベース材
4a 側面(第2側面)
4b 側面
6 第3ベース材
6a 側面
8 第4ベース材
8a 側面
10a ベース接合部
10b ベース接合部
10c ベース接合部
12 第1絶縁板
14 第2絶縁板
16 第1金属板
18 第2金属板
20 第4金属板
22 第5金属板
24 第1半導体チップ
26 第2半導体チップ
28 第3半導体チップ
30 第1接合材
32 第2接合材
34 第3接合材
35 第6接合材
36 第4接合材
38a ボンディングワイヤ
38b ボンディングワイヤ
38c ボンディングワイヤ
40a ボンディングワイヤ(ワイヤ)
40b ボンディングワイヤ
40c ボンディングワイヤ
42 第6金属板
44 第7金属板
50 第5接合材
52 接合材
54 接合材
60 第3金属板
62 第8金属板
64 第9金属板
70 骨材
72 骨材
80 放熱板
82 サーマルインターフェースマテリアル(Thermal Interface Material)
84 ケース
86 封止材(ゲル)
88 蓋
90a 端子
90b 端子
92 ネジ
94 ワッシャー
100 半導体装置
110 半導体装置
120 半導体装置
130 半導体装置
140 半導体装置
Claims (10)
- 第1側面を有する第1ベース材と、
前記第1ベース材の上に設けられた第1絶縁板と、
前記第1絶縁板の上に設けられた第1金属板と、
前記第1金属板の上に設けられた第1半導体チップと、
前記第1金属板と前記第1半導体チップを接合する第1接合材と、
前記第1ベース材と前記第1絶縁板を接合する第2接合材と、
第2側面を有する第2ベース材と、
前記第2ベース材の上に設けられた第2絶縁板と、
前記第2絶縁板の上に設けられた第2金属板と、
前記第2金属板の上に設けられた第2半導体チップと、
前記第2金属板と前記第2半導体チップを接合する第3接合材と、
前記第2ベース材と前記第2絶縁板を接合する第4接合材と、
前記第1側面と前記第2側面の間に設けられ、前記第1側面と前記第2側面が接合されたベース接合部と、
を備える半導体装置。 - 前記ベース接合部は、前記第1側面と前記第2側面の摩擦摺動接合により形成されている請求項1記載の半導体装置。
- 前記ベース接合部は、前記第1側面と前記第2側面の間に設けられた樹脂を含み、
前記第1側面と前記第2側面は前記樹脂により接合されている請求項1記載の半導体装置。 - 前記第1ベース材及び前記第2ベース材のそれぞれの上に、複数の絶縁板が設けられていない請求項1乃至請求項3いずれか一項記載の半導体装置。
- 前記第1接合材、前記第2接合材、前記第3接合材及び前記第4接合材ははんだであり、
前記第1接合材の第1融点は前記第2接合材の第2融点より高く、
前記第3接合材の第3融点は前記第4接合材の第4融点より高い、
請求項1乃至請求項4いずれか一項記載の半導体装置。 - 前記第1接合材、前記第2接合材、前記第3接合材及び前記第4接合材ははんだであり、
前記第1接合材の第1融点は前記第2接合材の第2融点と等しく、
前記第3接合材の第3融点は前記第4接合材の第4融点と等しい、
請求項1乃至請求項4いずれか一項記載の半導体装置。 - 前記第1接合材又は前記第3接合材は、電気伝導性を有する焼結材を含む、
請求項1乃至請求項4いずれか一項記載の半導体装置。 - 前記第2接合材又は前記第4接合材は、電気伝導性を有する焼結材を含む、
請求項7記載の半導体装置。 - 前記第1半導体チップの上に設けられた、電気伝導性を有する焼結材を含む第5接合材と、
前記第5接合材の上に設けられ、前記第5接合材により前記第1半導体チップと接合された第3金属板と、
前記第3金属板の上に設けられ、前記第3金属板に接続された、銅を含むワイヤと、
をさらに備える請求項1乃至請求項8いずれか一項記載の半導体装置。 - 前記第1半導体チップ及び前記第2半導体チップは、化合物半導体を含む請求項1乃至請求項9いずれか一項記載の半導体装置。
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