KR100885924B1 - 묻혀진 도전성 포스트를 포함하는 반도체 패키지 및 그제조방법 - Google Patents
묻혀진 도전성 포스트를 포함하는 반도체 패키지 및 그제조방법 Download PDFInfo
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- KR100885924B1 KR100885924B1 KR1020070080595A KR20070080595A KR100885924B1 KR 100885924 B1 KR100885924 B1 KR 100885924B1 KR 1020070080595 A KR1020070080595 A KR 1020070080595A KR 20070080595 A KR20070080595 A KR 20070080595A KR 100885924 B1 KR100885924 B1 KR 100885924B1
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Abstract
Description
Claims (28)
- 회로부가 형성된 활성면이 위로 향한 반도체 칩;상기 반도체 칩의 활성면을 외부로 노출시키고 나머지 부분을 밀봉하는 봉지부;상기 봉지부 내에서 오직 상면만이 외부로 노출되고 나머지 부분은 묻혀진 구조이며 상기 반도체 칩의 외곽을 따라 배치된 복수개의 도전성 포스트(conductive post); 및상기 반도체 칩 및 봉지부 위에서 반도체 칩의 본드패드와 상기 도전성 포스트의 상부를 연결하는 패드재배치 패턴을 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지.
- 제1항에 있어서,상기 반도체 패키지는,상기 도전성 포스트 위에 위치한 패드재배치 패턴에 부착된 솔더볼을 더 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지.
- 제1항에 있어서,상기 도전성 포스트는,구리, 철, 알루미늄 및 폴리머로 이루어진 상기 봉지부와 접착력이 우수한 물질 중에서 선택된 하나를 재질로 하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지.
- 제1항에 있어서,상기 반도체 패키지는,상기 봉지부를 관통하여 상기 도전성 포스트 하부면과 연결된 관통전극; 및상기 봉지부 하부면에서 상기 관통전극과 연결된 하부 솔더볼 패드를 더 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지.
- 제4항에 있어서,상기 반도체 패키지는,상기 하부 솔더볼 패드에 부착된 솔더볼을 더 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지.
- 도전성 포스트가 표면에 부착된 캐리어 기판을 준비하는 단계;상기 캐리어 기판의 반도체 칩 접착부에 반도체 칩의 활성면이 닿도록 접착수단을 사용하여 반도체 칩을 탑재하는 단계;상기 캐리어 기판에 봉지부로 몰딩을 수행하여 상기 도전성 포스트 및 반도체 칩을 묻힌 구조로 밀봉하는 단계;상기 캐리어 기판을 상기 봉지부로 밀봉된 반도체에서 분리시켜 제거하는 단 계; 및상기 캐리어 기판과 맞닿은 부분에서 노출된 반도체 칩의 본드패드와 상기 도전성 포스트를 연결하는 패드재배치 패턴을 형성하는 단계를 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제6항에 있어서,상기 도전성 포스트 위에 형성된 패드재배치 패턴에 솔더볼을 부착하는 단계를 더 진행하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제6항에 있어서,상기 패드재배치 패턴을 형성하는 방법은,상기 반도체 칩 위에 본드패드를 노출시키면서 퓨징영역(fusing area)을 덮는 절연막을 형성하는 단계; 및금속패턴을 이용하여 상기 본드패드와 상기 도전성 포스트를 연결하는 패드재배치 패턴을 만드는 단계를 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제6항에 있어서,상기 패드재배치 패턴을 형성하는 단계 후에상기 봉지부를 관통하여 상기 도전성 포스트의 하부를 노출시키는 하부 관통홀을 형성하는 단계;상기 하부 관통홀을 도전물질로 채워 관통전극을 형성하는 단계;상기 관통전극과 연결된 하부 솔더볼 패드를 형성하는 단계; 및상기 하부 솔더볼 패드에 솔더볼을 부착하는 단계를 더 진행하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제6항에 있어서,상기 도전성 포스트는,상기 봉지부와 접착력이 우수한 재질을 사용하여 만드는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제10항에 있어서,상기 봉지부와 접착력이 우수한 물질은,구리, 철, 알루미늄 및 폴리머 중에서 선택된 하나인 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 회로부가 형성된 활성면이 위로 향한 제1 반도체 칩;상기 제1 반도체 칩의 활성면만을 외부로 노출시키고 나머지 부분을 밀봉하는 제1 봉지부;상기 제1 봉지부 내에서 오직 상면이 외부로 노출되고 나머지 부분은 묻혀진 구조이며 상기 제1 반도체 칩의 외곽을 따라 배치된 복수개의 제1 도전성 포스트(conductive post);상기 제1 반도체 칩 및 제1 봉지부 위에서 상기 제1 반도체 칩의 본드패드와 제1 도전성 포스트의 상부를 연결하는 패드재배치 패턴;상기 제1 반도체 칩 위에서 활성영역이 위로 향하도록 접착수단을 통하여 탑재된 제2 반도체 칩;상기 제1 봉지부 상면을 덮고 상기 제2 반도체 칩의 상면은 노출시키면서 상기 도전성 포스트 위에 있는 패드재배치 패턴의 일부를 노출시키는 관통홀을 포함하는 제2 봉지부;상기 패드재배치 패턴과 상기 제2 반도체 칩의 본드패드를 연결시키는 제1 도전성 패턴을 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지.
- 제12항에 있어서,상기 반도체 패키지는,상기 제1 도전성 패턴에 부착된 솔더볼을 더 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지.
- 제12항에 있어서,상기 반도체 패키지는,상기 봉지부를 관통하여 상기 도전성 포스트 하부면과 연결된 관통전극; 및상기 봉지부 하부면에서 상기 관통전극과 연결된 하부 솔더볼 패드를 더 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지.
- 제14항에 있어서,상기 반도체 패키지는,상기 하부 솔더볼 패드에 부착된 솔더볼을 더 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지.
- 제12항에 있어서,상기 반도체 패키지는,상기 제2 반도체 칩 위에서 활성영역이 위로 향하도록 탑재된 제3 반도체 칩;상기 제2 봉지부 상면을 덮고 상기 제3 반도체 칩의 상면을 노출시키고 상기 제1 도전성 패턴의 일부를 노출시키는 관통홀을 포함하는 제3 봉지부; 및상기 노출된 제1 도전성 패턴과 상기 제3 반도체 칩의 본드패드를 연결시키는 제2 도전성 패턴을 더 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지.
- 제16항에 있어서,상기 반도체 패키지는,상기 제3 반도체 칩 위에서 활성영역이 위로 향하도록 탑재된 제4 반도체 칩;상기 제3 봉지부 상면을 덮고 상기 제4 반도체 칩의 상면은 노출시키고 내부에 마련된 관통홀에 의해 상기 제2 도전성 패턴의 일부를 노출시키는 제4 봉지부; 및상기 노출된 제2 도전성 패턴과 상기 제4 반도체 칩의 본드패드를 연결시키는 제3 도전성 패턴을 더 구비하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지.
- 도전성 포스트가 표면에 부착된 캐리어 기판을 준비하는 단계;상기 캐리어 기판의 반도체 칩 접착부에 반도체 칩의 활성면이 닿도록 접착수단을 사용하여 제1 반도체 칩을 탑재하는 단계;상기 캐리어 기판에 제1 봉지부로 몰딩을 수행하여 상기 도전성 포스트 및 반도체 칩을 묻힌 구조로 밀봉하는 단계;상기 캐리어 기판을 상기 제1 봉지부로 밀봉된 제1 반도체 칩에서 분리시켜 제거하는 단계;상기 캐리어 기판과 맞닿은 부분에서 노출된 제1 반도체 칩의 본드패드와 상기 도전성 포스트를 연결하는 패드재배치 패턴을 형성하는 단계;상기 제1 반도체 칩 위에 활성영역이 위로 향하도록 제2 반도체 칩을 탑재하는 단계;상기 제1 봉지부 상부를 덮고 상기 제2 반도체 칩 상부를 노출시키고 상기 도전성 패드 위의 패드재배치 패턴의 일부를 노출시키는 관통홀을 형성하는 단계;상기 패드재배치 패턴과 상기 제2 반도체 칩의 본드패드를 연결시키는 제1 도전성 패턴을 형성하는 단계를 구비하는 것을 특징으로 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제18항에 있어서,상기 제1 도전성 패턴을 형성하는 단계 후에,상기 제1 도전성 패턴에 솔더볼을 부착하는 단계를 더 진행하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제18항에 있어서,상기 패드재배치 패턴을 형성하는 단계 후에,상기 제1 봉지부를 관통하여 상기 도전성 포스트의 하부면을 노출시키는 하부 관통홀을 뚫는 단계;상기 하부 관통홀 내부를 도전물질로 채워 관통전극을 형성하는 단계; 및상기 제1 봉지부 하부면에 상기 관통전극과 연결된 하부 솔더볼 패드를 형성하는 단계를 더 진행하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반 도체 패키지 제조방법.
- 제18항에 있어서,상기 도전성 포스트는,상기 제1 봉지부와 접착력이 우수한 재질을 사용하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제21항에 있어서,상기 제1 봉지부와 접착력이 우수한 물질은,구리, 철, 알루미늄 및 폴리머 중에서 선택된 하나인 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제18항에 있어서,상기 제1 도전성 패턴을 형성한 단계 후,상기 제2 반도체 칩 위에서 활성영역이 위로 향하도록 제3 반도체 칩을 탑재하는 단계;상기 제2 봉지부 상부를 덮고 상기 제3 반도체 칩 상면을 노출시키고 상기 제1 도전성 패턴을 노출시키는 관통홀을 포함하는 제3 봉지부를 형성하는 단계; 및상기 노출된 제1 도전성 패턴과 상기 제3 반도체 칩의 본드패드를 연결시키는 제2 도전성 패턴을 형성하는 단계를 더 진행하는 것을 특징으로 하는 묻혀진 도 전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제23항에 있어서,상기 제2 도전성 패턴을 형성하는 단계 후,상기 제3 반도체 칩 위에서 활성영역이 위로 향하도록 제4 반도체 칩을 탑재하는 단계;상기 제3 봉지부 상면을 덮고 상기 제4 반도체 칩의 상면을 노출시키고 내부에 있는 관통홀에 의해 상기 제2 도전성 패턴을 일부를 노출시키는 제4 봉지부를 형성하는 단계; 및상기 노출된 제2 도전성 패턴과 상기 제4 반도체 칩의 본드패드를 연결시키는 제3 도전성 패턴을 형성하는 단계를 더 진행하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제23항에 있어서,상기 제1 도전성 패턴과 연결된 제2 도전성 패턴을 형성하는 방법은,상기 제2 봉지부 상면 아래에서 연결하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제23항에 있어서,상기 제1 도전성 패턴과 연결된 제2 도전성 패턴을 형성하는 방법은,상기 제2 봉지부 상면 위에서 연결하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제23항에 있어서,상기 제1 도전성 패턴과 연결된 제2 도전성 패턴을 형성하는 방법은,상기 제1 도전성 패턴에 의하여 발생한 파인(Dent) 영역에 도전물질을 충진하고 상기 도전물질 위에서 연결하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
- 제23항에 있어서,상기 제1 도전성 패턴과 연결된 제2 도전성 패턴을 형성하는 방법은,상기 제1 및 제2 도전성 패턴이 수직 방향으로 연결되도록 형성하는 것을 특징으로 하는 묻혀진 도전성 포스트를 포함하는 반도체 패키지의 제조방법.
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US12/104,333 US8093703B2 (en) | 2007-08-10 | 2008-04-16 | Semiconductor package having buried post in encapsulant and method of manufacturing the same |
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TWI438883B (zh) | 2014-05-21 |
US20120077311A1 (en) | 2012-03-29 |
US8093703B2 (en) | 2012-01-10 |
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