JP7567191B2 - 半導体モジュール - Google Patents
半導体モジュール Download PDFInfo
- Publication number
- JP7567191B2 JP7567191B2 JP2020057337A JP2020057337A JP7567191B2 JP 7567191 B2 JP7567191 B2 JP 7567191B2 JP 2020057337 A JP2020057337 A JP 2020057337A JP 2020057337 A JP2020057337 A JP 2020057337A JP 7567191 B2 JP7567191 B2 JP 7567191B2
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- JP
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- Prior art keywords
- semiconductor element
- wiring layer
- semiconductor
- gate
- auxiliary
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims description 248
- 229910052751 metal Inorganic materials 0.000 claims description 43
- 239000002184 metal Substances 0.000 claims description 43
- 239000000758 substrate Substances 0.000 claims description 41
- 230000005669 field effect Effects 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 14
- 239000000463 material Substances 0.000 description 14
- 239000011889 copper foil Substances 0.000 description 8
- 239000000956 alloy Substances 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 229910000640 Fe alloy Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000003353 gold alloy Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 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
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
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- H01—ELECTRIC ELEMENTS
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- H01L2924/191—Disposition
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Description
上記実施の形態に記載の半導体モジュールは、主配線層が形成された積層基板と、上面電極及び下面電極を有し、前記主配線層の上面に配置されて前記下面電極が前記主配線層に導電接続された第1半導体素子及び第2半導体素子と、端部を有し、前記第1半導体素子の前記上面電極に前記端部が導電接続された金属板と、前記端部に搭載された制御配線用の制御基板と、を備え、前記制御基板は、前記端部の上面に配置された絶縁板と、前記絶縁板の上面に配置された配線層と、を有する。
2 :積層基板
3a :第1半導体素子
3b :第2半導体素子
4 :金属板
5 :制御基板
10 :ベース板
11 :ケース部材
12 :封止樹脂
13 :側壁部
14 :制御端子
14a :ゲート端子
14b :補助端子
15 :出力端子
16 :正極端子
17 :負極端子
20 :絶縁板
21 :放熱板
22 :回路板(主配線層)
23 :第1導電層
24 :第2導電層
24a :長尺部
24b :長尺部
24c :連結部
25 :第3導電層
25a :長尺部
25b :長尺部
26 :ゲート配線層
27 :補助配線層
40 :第1接合部(端部)
41 :第2接合部
42 :連結部
50 :絶縁板
51 :ゲート配線層(配線層)
51a :長尺部
51b :長尺部
51c :連結部
52 :補助配線層
52a :長尺部
52b :長尺部
52c :連結部
52d :配線部材
52e :配線部材
53 :チップ抵抗
A :センス端子
K :センス端子
S :センス端子
B :接合材
R :接合材
D1 :隙間
D2 :隙間
G1 :ゲート配線(ゲート配線部材)
G2 :ゲート配線(ゲート配線部材)
G3 :ゲート配線(ゲート配線部材)
E1 :補助配線(補助配線部材)
E2 :補助配線(補助配線部材)
E3 :補助配線(補助配線部材)
W :センス配線
Claims (17)
- 主配線層が形成された積層基板と、
上面電極及び下面電極を有し、前記主配線層の上面に配置されて前記下面電極が前記主配線層に導電接続された第1半導体素子及び第2半導体素子と、
前記第1半導体素子の上面より上面が小さい端部を有し、前記第1半導体素子の前記上面電極に前記端部が導電接続された金属板と、
前記端部に搭載された制御配線用の制御基板と、を備え、
前記制御基板は、
前記端部の上面に配置された絶縁板と、
前記絶縁板の上面に配置された配線層と、を有し、
前記第1半導体素子と前記端部との接合領域内に配置されている、半導体モジュール。 - 前記配線層は、
ゲート配線部材を介して前記第1半導体素子及び前記第2半導体素子のそれぞれのゲート電極に接続されたゲート配線層と、
補助配線部材を介して前記第1半導体素子及び前記第2半導体素子のそれぞれの前記上面電極に接続された補助配線層と、を有する、請求項1に記載の半導体モジュール。 - 主配線層が形成された積層基板と、
上面電極及び下面電極を有し、前記主配線層の上面に配置されて前記下面電極が前記主配線層に導電接続された第1半導体素子及び第2半導体素子と、
端部を有し、前記第1半導体素子の前記上面電極に前記端部が導電接続された金属板と、
前記端部に搭載された制御配線用の制御基板と、を備え、
前記制御基板は、
前記端部の上面に配置された絶縁板と、
前記絶縁板の上面に配置された配線層と、を有し、
前記第1半導体素子及び前記第2半導体素子を並列接続して所定方向に並べたアームを形成し、
複数の前記金属板は、前記第1半導体素子及び前記第2半導体素子に対応してそれぞれ配置され、
前記第1半導体素子に隣接して設けられた外部接続用の制御端子を更に備え、
前記制御基板は、前記第1半導体素子に対応して設けられた前記端部の上面に配置されている、半導体モジュール。 - 前記制御端子は、前記所定方向の一方側に偏って配置されており、
前記制御基板は、前記制御端子側に位置する前記第1半導体素子に対応して設けられた前記端部の上面に配置されている、請求項3に記載の半導体モジュール。 - 前記制御基板は、前記第1半導体素子の真上に配置されている、請求項2から請求項4のいずれかに記載の半導体モジュール。
- 前記ゲート配線層及び前記補助配線層は、所定方向に沿って延びている、請求項2に記載の半導体モジュール。
- 前記ゲート配線層の途中にチップ抵抗が配置されている、請求項2または請求項6に記載の半導体モジュール。
- 前記補助配線層の途中にチップ抵抗が配置されている、請求項2、請求項6、及び請求項7のいずれかに記載の半導体モジュール。
- 前記制御基板は、平面視において前記端部よりも小さい、請求項2から請求項8のいずれかに記載の半導体モジュール。
- 複数の前記制御基板を備え、
前記制御基板の数は、前記第1半導体素子及び前記第2半導体素子の数よりも少ない、請求項2から請求項9のいずれかに記載の半導体モジュール。 - 前記制御基板は、センス機能を有する前記第1半導体素子の上方に配置されている、請求項2から請求項10のいずれかに記載の半導体モジュール。
- 前記積層基板は、複数の前記主配線層を有し、
前記配線層間の隙間は、複数の前記主配線層間の隙間よりも小さい、請求項2から請求項11のいずれかに記載の半導体モジュール。 - 前記ゲート配線層と前記補助配線層は、前記第1半導体素子及び前記第2半導体素子毎に交互に並んで配置されている、請求項2、請求項6、請求項7、及び請求項8のいずれかに記載の半導体モジュール。
- 主配線層が形成された積層基板と、
上面電極及び下面電極を有し、前記主配線層の上面に配置されて前記下面電極が前記主配線層に導電接続された第1半導体素子及び第2半導体素子と、
端部を有し、前記第1半導体素子の前記上面電極に前記端部が導電接続された金属板と、
前記端部に搭載された制御配線用の制御基板と、を備え、
前記制御基板は、
前記端部の上面に配置された絶縁板と、
前記絶縁板の上面に配置された配線層と、を有し、
前記配線層は、
ゲート配線部材を介して前記第1半導体素子及び前記第2半導体素子のそれぞれのゲート電極に接続されたゲート配線層と、
補助配線部材を介して前記第1半導体素子及び前記第2半導体素子のそれぞれの前記上面電極に接続された補助配線層と、を有し、
前記ゲート配線層は、ゲート入力端と、前記ゲート入力端から分岐した第1ゲート出力端及び第2ゲート出力端と、を有し、
前記補助配線層は、補助入力端と、前記補助入力端から分岐した第1補助出力端及び第2補助出力端と、を有し、
前記第1ゲート出力端は、前記第1半導体素子のゲート電極に接続され、
前記第2ゲート出力端は、前記第2半導体素子のゲート電極に接続され、
前記第1補助出力端は、前記第1半導体素子の上面電極に接続され、
前記第2補助出力端は、前記第2半導体素子の上面電極に接続されている、半導体モジュール。 - 前記ゲート電極は、各半導体素子の外周側に偏って配置されており、
前記第1半導体素子及び前記第2半導体素子は、それぞれの前記ゲート電極が対向するように配置され、
前記第1ゲート出力端、前記第1補助出力端、前記第2ゲート出力端、及び前記第2補助出力端は、各出力端から各半導体素子への配線部材が交差しない位置に設けられている、請求項14に記載の半導体モジュール。 - 前記制御基板は、多層化された前記配線層によって構成される、請求項15に記載の半導体モジュール。
- 前記第1半導体素子及び前記第2半導体素子は、MOSFET(Metal Oxide Semiconductor Field Effect Transistor)素子、又はIGBT(Insulated Gate Bipolar Transistor)素子で構成される、請求項1から請求項16のいずれかに記載の半導体モジュール。
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