KR100335480B1 - 칩 패드가 방열 통로로 사용되는 리드프레임 및 이를 포함하는반도체 패키지 - Google Patents
칩 패드가 방열 통로로 사용되는 리드프레임 및 이를 포함하는반도체 패키지 Download PDFInfo
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- KR100335480B1 KR100335480B1 KR1019990035186A KR19990035186A KR100335480B1 KR 100335480 B1 KR100335480 B1 KR 100335480B1 KR 1019990035186 A KR1019990035186 A KR 1019990035186A KR 19990035186 A KR19990035186 A KR 19990035186A KR 100335480 B1 KR100335480 B1 KR 100335480B1
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Abstract
Description
Claims (19)
- 칩이 탑재되는 제1면과, 상기 제1면의 반대면인 제2면의 일부가 반도체 패키지 외부로 노출되는 형태의 칩 패드(chip pad)를 구비하는 리드프레임;상기 칩 패드의 제1면에 탑재되어 칩 패드와 에폭시에 의해 부착(attaching)된 칩(chip);상기 칩에 구성된 본드패드와 대응하는 상기 리드프레임의 인너리드를 연결하는 금선(gold wire);상기 리드프레임 칩 패드의 제1면 및 그 상부와, 인너리드의 전체를 감싸면서 칩 패드의 제2면의 일부를 노출시키는 형태로 구성된 봉합제(EMC); 및상기 리드프레임의 인너리드와 서로 대응되게 연결되어 상기 봉합제 외부로 노출된 아우터 리드(outer lead)를 구비하는 반도체 패키지에 있어서,상기 리드프레임의 칩 패드 가장자리에 구성된 적어도 2개 이상의 스웨징(swagging) 처리부;상기 리드프레임의 칩 패드 제2면에서 상기 봉합제로 덮히지 않고 노출되는 영역의 가장자리에 구성된 가늘고 길게 파인 홈(groove);상기 리드프레임의 칩 패드 제1면에 구성된 다른 가늘고 길게 파인 홈; 및상기 리드프레임의 칩 패드에는 적어도 한 개 이상의 슬롯(slot)을 구비하는 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서,상기 스웨징 처리부는 상기 칩 패드의 제2면에 구성된 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서,상기 칩 패드 제2면의 가늘고 길게 파인 홈은 'V'자형 혹은 'U'자형인 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서,상기 칩 패드의 제2면에 가늘고 길게 파인 홈은 반도체 패키지 외부로 노출된 칩 패드의 가장자리 영역에서 사각형 형상으로 구성되는 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서,상기 제1면의 다른 가늘고 길게 파인 홈은 'V'자형 또는 'U'자형인 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서,상기 제1면의 다른 가늘고 길게 파인 홈은 상기 칩이 부착되는 영역의 외곽을 따라서 구성된 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서,상기 제1면의 다른 가늘고 길게 파인 홈은 사각형의 형상으로 구성된 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서,상기 리드프레임 칩 패드의 슬롯은 칩이 부착되는 영역의 외곽에 복수개로 구성되고, 복수개의 슬롯끼리 서로 연결되지 않은 구조인 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서,상기 리드프레임 칩 패드의 슬롯에는 칩 패드의 일부가 구부려져 위로 올라간 형상의 날개부가 구성된 것을 특징으로 하는 반도체 패키지.
- 제9항에 있어서,상기 날개부는 칩 패드 상하를 관통하는 슬롯에서 칩이 부착되는 영역과 가까운 곳에 구성된 것을 특징으로 하는 반도체 패키지.
- 칩이 탑재되는 제1면과, 상기 제1면의 반대편인 제2면의 일부가 반도체 패키지 외부로 노출되는 형태의 칩 패드와,상기 칩 패드의 외곽에 구성되어 일부는 에폭시 몰드 컴파운드(EMC)에 의해 반도체 패키지 내부로 들어가고 일부로 외부로 노출되는 복수개의 리드를 구비하는 리드프레임에 있어서,상기 칩 패드는 제2면의 가장자리에 적어도 2개 이상의 스웨징(swagging) 처리부가 구성되고,상기 노출되는 칩 패드 제2면의 가장자리를 따라서 가늘고 길게 파인 홈(groove)이 구성되고,상기 칩 패드에는 적어도 한 개 이상의 슬롯이 구성된 것을 특징으로 하는리드프레임.
- 제11항에 있어서,상기 스웨징 처리부는 상기 칩 패드의 제2면에 구성된 것을 특징으로 하는 반도체 패키지.
- 제11항에 있어서,상기 칩 패드 제2면의 가늘고 길게 파인 홈은 'V'자형 또는 'U'자형인 것을 특징으로 하는 리드프레임.
- 제11항에 있어서,상기 칩 패드 2면의 가늘고 길게 파인 홈은 사각형 형상으로 구성된 것을 특징으로 하는 리드프레임.
- 제11항에 있어서,상기 칩 패드는 제1면에 다른 가늘고 길게 파인 'V'자형 또는 'U'자형의 홈을 더 구비하는 것을 특징으로 하는 리드프레임.
- 제15항에 있어서,상기 칩 패드 제1면에 구성된 다른 가늘고 길게 파인 홈은 사각형 형상인 것을 특징으로 하는 리드프레임.
- 제11항에 있어서,상기 칩 패드의 슬롯은 칩이 부착되는 영역의 외곽에 복수개 구성되고, 서로 연결되지 않은 구조인 것을 특징으로 하는 리드프레임.
- 제11항에 있어서,상기 칩 패드의 슬롯은 칩 패드의 일부가 구부려져 위로 올라간 형상의 날개부가 구성된 것을 특징으로 하는 리드프레임.
- 제18항에 있어서,상기 날개부는 칩 패드에서 칩이 부착되는 영역과 가까운 곳에 구성된 것을 특징으로 하는 리드프레임.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990035186A KR100335480B1 (ko) | 1999-08-24 | 1999-08-24 | 칩 패드가 방열 통로로 사용되는 리드프레임 및 이를 포함하는반도체 패키지 |
| JP2000251119A JP2001085591A (ja) | 1999-08-24 | 2000-08-22 | チップパッドが放熱通路として用いられるリードフレーム及びこれを含む半導体パッケージ |
| US09/644,097 US6329706B1 (en) | 1999-08-24 | 2000-08-23 | Leadframe using chip pad as heat conducting path and semiconductor package adopting the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990035186A KR100335480B1 (ko) | 1999-08-24 | 1999-08-24 | 칩 패드가 방열 통로로 사용되는 리드프레임 및 이를 포함하는반도체 패키지 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010018990A KR20010018990A (ko) | 2001-03-15 |
| KR100335480B1 true KR100335480B1 (ko) | 2002-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990035186A Expired - Fee Related KR100335480B1 (ko) | 1999-08-24 | 1999-08-24 | 칩 패드가 방열 통로로 사용되는 리드프레임 및 이를 포함하는반도체 패키지 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6329706B1 (ko) |
| JP (1) | JP2001085591A (ko) |
| KR (1) | KR100335480B1 (ko) |
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| Publication number | Publication date |
|---|---|
| JP2001085591A (ja) | 2001-03-30 |
| KR20010018990A (ko) | 2001-03-15 |
| US6329706B1 (en) | 2001-12-11 |
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