KR20120073302A - 회로 장치 및 그의 제조 방법 - Google Patents
회로 장치 및 그의 제조 방법 Download PDFInfo
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- KR20120073302A KR20120073302A KR1020127010816A KR20127010816A KR20120073302A KR 20120073302 A KR20120073302 A KR 20120073302A KR 1020127010816 A KR1020127010816 A KR 1020127010816A KR 20127010816 A KR20127010816 A KR 20127010816A KR 20120073302 A KR20120073302 A KR 20120073302A
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Abstract
Description
도면들에서:
도 1은 본 발명의 제 1 실시형태에 따른 회로 장치를 도시하고;
도 2는 도 1의 회로 장치의 단면도를 보여주고;
도 3은 본 발명의 제 2 실시형태에 따른 회로 장치의 단면도를 보여주고;
도 4는 본 발명의 제 3 실시형태에 따른 회로 장치의 단면도를 보여주고;
도 5은 본 발명의 제 4 실시형태에 따른 회로 장치를 도시한다.
12 기판
14 배선층
16 기능 디바이스
18 도체 엘리먼트
20 전력 트랜지스터
22 외부 인출 도체
24 본딩 와이어
25 본딩 금속 시트
26 중간 접촉 디바이스
28 게이트 트랙
30 이미터 트랙
32 저항 막
34 금속 포일
36 콜렉터 트랙
38 금속 플레이트
Claims (19)
- 회로 장치 (10) 로서,
- 기판 (12);
- 상기 기판 (12) 에 제공되고 전력 기능 디바이스 (16) 에 그리고 도체 엘리먼트 (18) 에 전기적으로 접속되는 배선층 (14); 및
-중간 접촉 디바이스로서, 상기 배선층 (14) 에 탑재되어 상기 배선층에 대하여 반대쪽 면에 상기 도체 엘리먼트 (18) 를 접촉시키기 위한 접촉 영역을 제공하는, 상기 중간 접촉 디바이스를 포함하고,
상기 중간 접촉 디바이스 (26) 는 적어도 제 1 면 및 제 2 면을 갖고, 상기 제 2 면은 상기 제 1 면에 적어도 대략적으로 평행하고, 상기 중간 접촉 디바이스 (26) 는 상기 제 1 면에서 상기 배선층 (14) 에 고정되고,
상기 중간 접촉 디바이스 (26) 가 상기 배선층 (14) 에 도전되게 고정되는 상기 제 1 면 상의 구역에 대하여 반대쪽에 있는, 상기 접촉 영역에서의 상기 제 2 면에서 상기 도체 엘리먼트 (18) 가 상기 중간 접촉 디바이스 (26) 와 접촉하는 것을 특징으로 하는 회로 장치. - 제 1 항에 있어서,
상기 중간 접촉 디바이스 (26) 는 솔더링 접합에 의해 및/또는 저온 본딩에 의해 형성되는 접합에 의해 상기 배선층에 고정되는, 회로 장치. - 제 1 항 또는 제 2 항에 있어서,
상기 중간 전기 접촉 디바이스 (26) 는 상기 배선층의 전체 외부면의 한정된 서브 구역들에 있는 상기 배선층 (14) 의 대응부에 고정되는, 회로 장치. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 도체 엘리먼트 (18) 는 상기 중간 접촉 디바이스로부터 상기 전력 기능 디바이스로 인출되는 본딩 엘리먼트 또는 외부 인출 도체 (externally leading conductor; 22) 인, 회로 장치. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 전력 기능 디바이스 (16) 는 전력 트랜지스터 (20), 특히 절연 게이트 바이폴라 트랜지스터 또는 다이오드 같은 전력 반도체 디바이스인, 회로 장치. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 중간 접촉 디바이스는 적어도 부분적으로 도전 가능하고, 상기 중간 접촉 디바이스 (26) 는 바람직하게는 금속 포일, 금속 시트, 또는 금속 플레이트인, 회로 장치. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
적어도 부분적으로 도전 가능한 상기 중간 접촉 디바이스 (26) 는 회로 기판인, 회로 장치. - 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,
상기 중간 접촉 디바이스는 100 ㎛보다 두껍고, 더 바람직하게는 200 ㎛보다 두꺼운, 회로 장치. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 배선층 (14) 과 상기 전력 기능 디바이스 (16) 를 전기적으로 접촉시키기 위한 본딩 엘리먼트 및 상기 중간 접촉 디바이스 (26) 는 일체로 형성되는, 회로 장치. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 중간 접촉 디바이스 (26) 는 상기 배선층 (14) 과 직접 전기적으로 그리고 기계적으로 완전히 접촉하는, 회로 장치. - 제 1 항 내지 제 10 항 중 어느 한 항에 있어서,
상기 중간 접촉 디바이스 (26) 는 독립형 (self-contained) 인, 회로 장치. - 특히 제 1 항 내지 제 11 항 중 어느 한 항에 기재된 회로 장치의 제조 방법으로서, 상기 회로 장치에는 적어도 하나의 전력 기능 디바이스 (16) 및 적어도 하나의 도체 엘리먼트 (18) 가 탑재되고, 상기 회로 장치는 기판 (12), 및 상기 기판에 제공되는 배선층 (14) 을 포함하고,
상기 회로 장치의 제조 방법은,
상기 배선층 (14) 에 대하여 반대쪽에 있는, 상기 중간 접촉 디바이스의 일 면에 접촉 영역을 제공하기 위하여, 상기 배선층에 중간 접촉 디바이스 (26) 를 탑재하고 전기적으로 접촉시키는 단계; 및
상기 도체 엘리먼트 (18) 를 상기 접촉 영역에서의 상기 중간 접촉 디바이스에 직접 전기적으로 접속시키는 단계를 포함하는, 회로 장치의 제조 방법. - 제 12 항에 있어서,
상기 배선층의 일 부분에 중간 접촉 엘리먼트를 탑재하는 것은 상기 배선층의 전체 외부면의 한정된 서브 구역들에만 있는 상기 부분에 상기 중간 접촉 엘리먼트를 고정하는 것인, 회로 장치의 제조 방법. - 제 12 항 또는 제 13 항에 있어서,
상기 중간 접촉 디바이스 (26) 는 솔더링 및/또는 저온 본딩에 의해 상기 배선층에 고정되는, 회로 장치의 제조 방법. - 제 12 항 내지 제 14 항 중 어느 한 항에 있어서,
상기 도체 엘리먼트는 외부 인출 도체인, 회로 장치의 제조 방법. - 제 12 항 내지 제 15 항 중 어느 한 항에 있어서,
상기 전력 기능 디바이스는 전력 트랜지스터, 특히 절연 게이트 바이폴라 트랜지스터 또는 다이오드 같은 전력 반도체인, 회로 장치의 제조 방법. - 제 12 항 내지 제 16 항 중 어느 한 항에 있어서,
상기 중간 접촉 디바이스는 적어도 부분적으로 도전 가능하고, 상기 중간 접촉 디바이스 (26) 는 바람직하게는 금속 포일, 금속 시트, 또는 금속 플레이트인, 회로 장치의 제조 방법. - 제 12 항 내지 제 17 항 중 어느 한 항에 있어서,
상기 중간 접촉 디바이스는 적어도 부분적으로 도전 가능하고, 상기 중간 접촉 디바이스 (26) 는 회로 기판인, 회로 장치의 제조 방법. - 제 12 항 내지 제 18 항 중 어느 한 항에 있어서,
상기 배선층과 상기 전력 기능 디바이스를 전기적으로 접촉시키기 위한 본딩 엘리먼트 및 상기 중간 접촉 디바이스는 일체로 형성되는, 회로 장치의 제조 방법.
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US5956231A (en) * | 1994-10-07 | 1999-09-21 | Hitachi, Ltd. | Semiconductor device having power semiconductor elements |
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