JP2012222000A - 半導体モジュール及びその製造方法 - Google Patents
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Abstract
【解決手段】半導体モジュール1は、第1の面と、第1の面の反対面である第2の面と、第1の面と第2の面とをつなぐ側面と、を備えた金属ブロック30と、金属ブロックの第1の面に設置された半導体素子10,11と、金属ブロックの第2の面を覆う第1の絶縁層と、第1の絶縁層から延在して金属ブロックの側面の少なくとも一部を覆う第2の絶縁層と、を含む絶縁層40と、半導体素子及び金属ブロックの少なくとも第1の面を封止する封止部51と、第2の絶縁層と接しないように封止部の外縁部から金属ブロックの第2の面側に立設された側壁部52と、を含む樹脂モールド部50と、を有する。
【選択図】図1
Description
[第1の実施の形態に係る半導体モジュールの構造]
まず、第1の実施の形態に係る半導体モジュールの構造について説明する。図1及び図2は、第1の実施の形態に係る半導体モジュールを例示する断面図である。図3は、第1の実施の形態に係る半導体モジュールを例示する下面側斜視図である。なお、図1と図2とは、半導体モジュールの異なる断面を示している。又、図3において、図1及び図2に示す一部の部品の図示が省略されている。
次に、第1の実施の形態に係る半導体モジュールの製造方法について説明する。図4〜図6は、第1の実施の形態に係る半導体モジュールの製造工程を例示する図である。なお、図4及び図5と図6とは、半導体モジュールの異なる断面を示している。
ここで、比較例を参照しながら、第1の実施の形態に係る半導体モジュール1が有する特有の効果について説明する。
第1の実施の形態の変形例1では、第1の実施の形態とは形状の異なる樹脂モールド部を例示する。なお、第1の実施の形態の変形例1において、既に説明した実施の形態と同一構成部品についての説明は省略する。
第2の実施の形態では、第1の実施の形態とは異なる半導体モジュール及びそれを含むシステムを例示する。なお、第2の実施の形態において、既に説明した実施の形態と同一構成部品についての説明は省略する。
10、11、12A、12B、12C、13A、13B、13C 半導体素子
20、21、22、25、26 配線部材
30、31、32A、32B、32C 金属ブロック
38 接合部
39 ボンディングワイヤ
40 絶縁層
41 下面絶縁層
42 側面絶縁層
50、50A 樹脂モールド部
51 封止部
52、52A 側壁部
60 冷却器
65 放熱グリス
68 接着剤
70 IPM
71、72、73、74、75、76 IGBT
81、82、83、84、85、86 ダイオード
90 容器
91 溶液
100 ハイブリッドシステム
110 電池
120 インバータ
130 モータジェネレータ
140 ECU
150 昇降圧コンバータ
160 コンデンサ
P1、P2、P3、N1、N2、N3、U1、U2、V1、V2、W1、W2 端子
P ライン(正極ライン)
N ライン(負極ライン)
U ライン(U相用出力ライン)
V ライン(V相用出力ライン)
W ライン(W相用出力ライン)
Claims (12)
- 第1の面と、前記第1の面の反対面である第2の面と、前記第1の面と前記第2の面とをつなぐ側面と、を備えた金属ブロックと、
前記金属ブロックの前記第1の面に設置された半導体素子と、
前記金属ブロックの前記第2の面を覆う第1の絶縁層と、前記第1の絶縁層から延在して前記金属ブロックの前記側面の少なくとも一部を覆う第2の絶縁層と、を含む絶縁層と、
前記半導体素子及び前記金属ブロックの少なくとも前記第1の面を封止する封止部と、前記第2の絶縁層と接しないように前記封止部の外縁部から前記金属ブロックの前記第2の面側に立設された側壁部と、を含む樹脂モールド部と、を有する半導体モジュール。 - 前記側壁部は、前記第2の絶縁層を囲むように環状に立設されている請求項1記載の半導体モジュール。
- 前記半導体素子及び前記金属ブロックと電気的に接続され、一部が前記樹脂モールド部から露出する配線部材を有する請求項1又は2記載の半導体モジュール。
- 前記第1の絶縁層と直接、又は放熱グリスを介して接する冷却器を更に有する請求項1乃至3の何れか一項記載の半導体モジュール。
- 前記絶縁層はポリイミドである請求項1乃至4の何れか一項記載の半導体モジュール。
- 前記金属ブロックはアルミニウムを主成分とし、
前記絶縁層はアルマイト層である請求項1乃至4の何れか一項記載の半導体モジュール。 - 第1の面と、前記第1の面の反対面である第2の面と、前記第1の面と前記第2の面とをつなぐ側面と、を備えた金属ブロックの前記第1の面に半導体素子を設置する半導体素子設置工程と、
前記半導体素子及び前記金属ブロックの少なくとも前記第1の面を封止する封止部と、
前記側面と接しないように前記封止部の外縁部から前記金属ブロックの前記第2の面側に立設された側壁部と、を含む樹脂モールド部を形成するモールド工程と、
前記金属ブロックの前記第2の面を覆う第1の絶縁層と、前記第1の絶縁層から延在して前記金属ブロックの前記側面の少なくとも一部を覆う第2の絶縁層と、を含む絶縁層を、前記第2の絶縁層が前記側壁部と接しないように形成する絶縁層形成工程と、を有する半導体モジュールの製造方法。 - 第1の面と、前記第1の面の反対面である第2の面と、前記第1の面と前記第2の面とをつなぐ側面と、を備えた金属ブロックの前記第1の面に半導体素子を設置する半導体素子設置工程と、
前記金属ブロックの前記第2の面を覆う第1の絶縁層と、前記第1の絶縁層から延在して前記金属ブロックの前記側面の少なくとも一部を覆う第2の絶縁層と、を含む絶縁層を形成する絶縁層形成工程と、
前記半導体素子及び前記金属ブロックの少なくとも前記第1の面を封止する封止部と、前記第2の絶縁層と接しないように前記封止部の外縁部から前記金属ブロックの前記第2の面側に立設された側壁部と、を含む樹脂モールド部を形成するモールド工程と、を有する半導体モジュールの製造方法。 - 前記絶縁層形成工程では、溶液中に前記金属ブロックを浸漬し、前記金属ブロックに通電することにより前記絶縁層を形成する請求項7又は8記載の半導体モジュールの製造方法。
- 前記絶縁層は、電着法により形成されたポリイミドである請求項9記載の半導体モジュールの製造方法。
- 前記金属ブロックはアルミニウムを主成分とし、
前記絶縁層は、陽極酸化法により形成されたアルマイト層である請求項9記載の半導体モジュールの製造方法。 - 請求項1乃至6の何れか一項記載の半導体モジュールを含むハイブリッドシステム。
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WO2021220357A1 (ja) * | 2020-04-27 | 2021-11-04 | 三菱電機株式会社 | 半導体装置 |
DE112020007445T5 (de) | 2020-07-21 | 2023-05-25 | Mitsubishi Electric Corporation | Halbleitervorrichtung |
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