JP7410822B2 - 半導体パワーモジュールおよび半導体パワーモジュールの製造方法 - Google Patents
半導体パワーモジュールおよび半導体パワーモジュールの製造方法 Download PDFInfo
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- JP7410822B2 JP7410822B2 JP2020139313A JP2020139313A JP7410822B2 JP 7410822 B2 JP7410822 B2 JP 7410822B2 JP 2020139313 A JP2020139313 A JP 2020139313A JP 2020139313 A JP2020139313 A JP 2020139313A JP 7410822 B2 JP7410822 B2 JP 7410822B2
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- 229910052759 nickel Inorganic materials 0.000 claims description 9
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 52
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- H01L2224/48227—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Die Bonding (AREA)
Description
2…有機溶媒
3…ダイ
4…圧力
5…焼結銅(Cu)層
6…還元性雰囲気中の熱処理
7…Ag/Cu電極
8…焼結銀(Ag)層
9…N2雰囲気中の熱処理
10…絶縁基板
11…セラミック板
12…金属配線(エミッタ側)
13…金属配線(コレクタ側)
14…金属配線(センスまたはゲート用)
15…主端子接合領域
17…ボンドワイヤ
18…シリコンIGBT配置領域とSiC-SBD配置領域の間隔
19…シリコンIGBTを配置する領域
21…シリコンIGBT
22…SiC-SBD
23…ソルダーレジスト
30…半導体パワーモジュール
31…モジュール主端子
32…ケースフタ
33…パッケージケース
34…ベースプレート
35…シリコンIGBTのマウント用治具
36…治具のSiC-SBD部
37…シリコンIGBTの搭載領域
38…シリコンIGBTチップとはんだを搭載するための穴
40…焼結ペーストの印刷段階
41…半導体チップをマウントして熱処理を開始した段階
42…焼結が進行した段階
43…焼結接合の熱処理が完了した段階
50…pn接合
51…pウェル
52…ゲート
53…pチャネル領域
54…p+領域
55…n+領域
56…n領域
57…nバッファ領域
58…p領域
59…コレクタ
60…キズ
61…欠陥
62…半導体チップの表面電極
63…ワイヤ補強樹脂
64…ワイヤ接合部近傍
65…樹脂コート
66…チップ接合部
67…半導体チップ
71…Niめっき電極膜
72…p型不純物領域
73…カソード電極
74…pn接合
75…SiC基板
76…アルミ電極(アノード電極)
77…ショットキー接合
78…チタン電極(ショットキー電極)
79…周縁構造(ターミネーション)
80…ドリフト層(エピ層)
Claims (13)
- Si半導体チップとSiC半導体チップを同一の絶縁基板上に搭載する複合型の半導体パワーモジュールにおいて、
前記Si半導体チップは、はんだ接合により前記絶縁基板上の第1の配線領域に接合され、
前記SiC半導体チップは、焼結接合により前記絶縁基板上の第2の配線領域に接合され、
前記第1の配線領域上にニッケルめっきが施されており、
前記Si半導体チップは、前記ニッケルめっきを介して、はんだ接合により前記第1の配線領域に接合され、
前記SiC半導体チップは、焼結接合により前記第2の配線領域に直接接合されることを特徴とする半導体パワーモジュール。 - 少なくとも2種類のチップ面積を有する複数の半導体チップを同一の絶縁基板上に搭載する半導体パワーモジュールにおいて、
前記複数の半導体チップの内、チップ面積が100mm2以上の半導体チップは、はんだ接合により前記絶縁基板上の第1の配線領域に接合され、
チップ面積が100mm2未満の半導体チップは、焼結接合により前記絶縁基板上の第2の配線領域に接合され、
前記第1の配線領域上にニッケルめっきが施されており、
前記チップ面積が100mm 2 以上の半導体チップは、前記ニッケルめっきを介して、はんだ接合により前記第1の配線領域に接合され、
前記チップ面積が100mm 2 未満の半導体チップは、焼結接合により前記第2の配線領域に直接接合されることを特徴とする半導体パワーモジュール。 - 請求項1に記載の半導体パワーモジュールにおいて、
前記Si半導体チップは、IGBTであり、
前記SiC半導体チップは、ショットキーバリアダイオードであることを特徴とする半導体パワーモジュール。 - 請求項1に記載の半導体パワーモジュールにおいて、
前記Si半導体チップと前記SiC半導体チップは、互いに1.5mm以上離間して前記絶縁基板上に配置されていることを特徴とする半導体パワーモジュール。 - 請求項1に記載の半導体パワーモジュールにおいて、
前記Si半導体チップと前記SiC半導体チップと前記絶縁基板を内包するパッケージケースと、
前記パッケージケース内に充填されたシリコーンゲルと、を備え、
前記SiC半導体チップの表面電極とボンドワイヤの接合部は前記シリコーンゲルよりもヤング率の高いワイヤ補強樹脂で被覆され、
前記Si半導体チップの表面電極とボンドワイヤの接合部は前記シリコーンゲルで被覆されることを特徴とする半導体パワーモジュール。 - 請求項5に記載の半導体パワーモジュールにおいて、
前記ワイヤ補強樹脂は、ポリアミドイミド樹脂を含むことを特徴とする半導体パワーモジュール。 - 請求項1に記載の半導体パワーモジュールにおいて、
前記第1の配線領域と前記第2の配線領域の間に、ソルダーレジストが前記第1の配線領域および前記第2の配線領域の境界に沿って延在して配置されていることを特徴とする半導体パワーモジュール。 - 請求項1に記載の半導体パワーモジュールにおいて、
前記焼結接合は、銅を用いる焼結銅接合または銀を用いる焼結銀接合のいずれかであることを特徴とする半導体パワーモジュール。 - 請求項1に記載の半導体パワーモジュールにおいて、
前記Si半導体チップおよび前記SiC半導体チップの少なくともいずれか一方の表面電極は、ニッケル膜または表面がニッケル膜で被覆された金属電極膜であることを特徴とする半導体パワーモジュール。 - 請求項1に記載の半導体パワーモジュールにおいて、
前記Si半導体チップおよび前記SiC半導体チップの少なくともいずれか一方の表面電極は、銅膜または表面が銅膜で被覆された金属電極膜であることを特徴とする半導体パワーモジュール。 - 請求項1に記載の半導体パワーモジュールにおいて、
前記Si半導体チップおよび前記SiC半導体チップの少なくともいずれか一方の表面電極は、Al膜またはAlSi膜にTa,Nb,Re,Zr,W,Mo,V,Hf,Ti,Cr,Ptの内、少なくとも一種の金属を添加した合金膜であることを特徴とする半導体パワーモジュール。 - 請求項1に記載の半導体パワーモジュールにおいて、
前記Si半導体チップおよび前記SiC半導体チップの少なくともいずれか一方の表面電極は、スパッタリング法により形成されたAlSiTa合金膜であることを特徴とする半導体パワーモジュール。 - (a)絶縁基板上の第1の配線領域に、はんだ接合によりSi半導体チップを接合する工程と、
(b)前記絶縁基板上の第2の配線領域に、焼結接合によりSiC半導体チップを接合する工程と、を含む半導体パワーモジュールの製造方法において、
前記(a)工程と前記(b)工程が同時に処理されることを特徴とする半導体パワーモジュールの製造方法。
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008277335A (ja) | 2007-04-25 | 2008-11-13 | Fuji Electric Device Technology Co Ltd | 半導体装置およびその製造方法 |
WO2015029152A1 (ja) | 2013-08-28 | 2015-03-05 | 株式会社日立製作所 | 半導体装置 |
WO2016016970A1 (ja) | 2014-07-30 | 2016-02-04 | 株式会社日立製作所 | 半導体装置、半導体装置の製造方法および電力変換装置 |
JP2017147327A (ja) | 2016-02-17 | 2017-08-24 | 富士電機株式会社 | 半導体装置及び製造方法 |
JP2017195259A (ja) | 2016-04-19 | 2017-10-26 | 株式会社デンソー | 半導体モジュール、及び電力変換装置 |
JP2019096643A (ja) | 2017-11-17 | 2019-06-20 | 株式会社 日立パワーデバイス | 半導体チップおよびパワーモジュールならびにその製造方法 |
JP2020035812A (ja) | 2018-08-28 | 2020-03-05 | 株式会社 日立パワーデバイス | 半導体装置および電力変換装置 |
JP2020053503A (ja) | 2018-09-26 | 2020-04-02 | 株式会社ケーヒン | パワーモジュール |
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008277335A (ja) | 2007-04-25 | 2008-11-13 | Fuji Electric Device Technology Co Ltd | 半導体装置およびその製造方法 |
WO2015029152A1 (ja) | 2013-08-28 | 2015-03-05 | 株式会社日立製作所 | 半導体装置 |
WO2016016970A1 (ja) | 2014-07-30 | 2016-02-04 | 株式会社日立製作所 | 半導体装置、半導体装置の製造方法および電力変換装置 |
JP2017147327A (ja) | 2016-02-17 | 2017-08-24 | 富士電機株式会社 | 半導体装置及び製造方法 |
JP2017195259A (ja) | 2016-04-19 | 2017-10-26 | 株式会社デンソー | 半導体モジュール、及び電力変換装置 |
JP2019096643A (ja) | 2017-11-17 | 2019-06-20 | 株式会社 日立パワーデバイス | 半導体チップおよびパワーモジュールならびにその製造方法 |
JP2020035812A (ja) | 2018-08-28 | 2020-03-05 | 株式会社 日立パワーデバイス | 半導体装置および電力変換装置 |
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