KR100498488B1 - 적층형 반도체 패키지 및 그 제조방법 - Google Patents
적층형 반도체 패키지 및 그 제조방법 Download PDFInfo
- Publication number
- KR100498488B1 KR100498488B1 KR10-2003-0010761A KR20030010761A KR100498488B1 KR 100498488 B1 KR100498488 B1 KR 100498488B1 KR 20030010761 A KR20030010761 A KR 20030010761A KR 100498488 B1 KR100498488 B1 KR 100498488B1
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- South Korea
- Prior art keywords
- semiconductor package
- bond pad
- semiconductor chip
- connecting means
- semiconductor
- Prior art date
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- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Lead Frames For Integrated Circuits (AREA)
- Wire Bonding (AREA)
Abstract
Description
Claims (20)
- 접속수단을 포함하는 반도체 패키지의 기본 골격재;상기 기본 골격재에 탑재되고 내부에 제1 본드패드와, 상기 제1 본드패드가 다른 위치로 재배치되어 마련된 제2 본드패드를 포함하는 하부 반도체 칩;상기 하부 반도체 칩 위에 탑재되되 상기 하부 반도체 칩의 제2 본드패드가 노출되도록 탑재되며 내부에 제1 본드 패드 및 상기 제1 본드패드가 다른 위치로 재배치되어 마련된 제2 본드패드를 포함하는 중간 반도체 칩;상기 중간 반도체 칩 위에 탑재되되 상기 중간 반도체 칩의 제2 본드패드가 노출되도록 탑재되며 내부에 제1 본드 패드 및 상기 제1 본드패드가 다른 위치로 재배치되어 마련된 제2 본드패드를 포함하는 상부 반도체 칩;상기 하부 반도체 칩, 중간 반도체 칩 및 상부 반도체 칩에서 서로 대응하는 제2 본드패드를 서로 전기적으로 연결하는 제1 연결수단;상기 상부 반도체 칩의 제1 본드패드와 상기 기본 골격재의 접속수단을 서로 전기적으로 연결하는 제2 연결수단; 및상기 반도체 칩들, 연결수단들 및 리드프레임 일부를 밀봉하는 봉지수지를 구비하는 것을 특징으로 하는 적층형 반도체 패키지.
- 제1항에 있어서,상기 기본 골격재는 리드프레임인 것을 특징으로 하는 적층형 반도체 패키지.
- 제2항에 있어서,상기 리드프레임은 내부리드 및 칩 패들(chip paddle)이 봉지수지 외부로 노출되는 형태의 리드프레임인 것을 특징으로 하는 적층형 반도체 패키지.
- 제3항에 있어서,상기 리드프레임은 QFN(Quad Flat No-lead)형 반도체 패키지에 사용되는 리드프레임인 것을 특징으로 하는 적층형 반도체 패키지.
- 제1항에 있어서,상기 기본 골격재는 인쇄회로기판인 것을 특징으로 하는 적층형 반도체 패키지.
- 제5항에 있어서,상기 기본 골격재는 플렉시블 기판(Flexible substrate)에 구리배선이 형성된 절연성 배선 기판인 것을 특징으로 하는 적층형 반도체 패키지.
- 제1항에 있어서,상기 적층형 반도체 패키지는 상기 기본 골격재의 접속수단과 전기적으로 연결되는 외부연결단자를 더 구비하는 것을 특징으로 하는 적층형 반도체 패키지.
- 제1항에 있어서,상기 외부연결단자는 솔더볼인 것을 특징으로 하는 적층형 반도체 패키지.
- 삭제
- 제1항에 있어서,상기 하부, 중간 및 상부 반도체 칩은,동일 종류의 반도체 칩인 것을 특징으로 하는 적층형 반도체 패키지.
- 제1항에 있어서,상기 하부, 중간 및 상부 반도체 칩은,상기 기본 골격재 위에 계단형으로 탑재된 것을 특징으로 하는 적층형 반도체 패키지.
- 제1항에 있어서,상기 제1 및 제2 연결수단은 본딩 와이어인 것을 특징으로 하는 적층형 반도체 패키지.
- 제12항에 있어서,상기 제1 연결수단은 아래에 있는 반도체 칩의 제2 본딩패드에 볼 본딩(ball bonding)을 하고, 위에 있는 반도체 칩의 제2 본딩패드에는 스티치 본딩(stitch bonding)을 하는 형태인 것을 특징으로 하는 적층형 반도체 패키지.
- 제13항에 있어서,상기 중간 반도체 칩은 복수개인 것을 특징으로 하는 적층형 반도체 패키지.
- 접속수단을 갖는 기본 골격재를 준비하는 단계;제1 본드패드가 반도체 칩의 다른 위치로 재배치된 제2 본드패드를 갖는 하부, 중간 및 상부 반도체 칩들을 준비하는 단계;상기 기본 골격재 위에 상기 하부, 중간 및 상부 반도체 칩을 탑재하되 상기 제2 본드패드가 외부로 노출되도록 계단형으로 탑재하는 단계;상기 하부, 중간 및 상부 반도체 칩의 제2 본드패드끼리 제1 연결수단으로 와이어 본딩하는 단계;상기 상부 반도체 칩의 제1 본드패드와 기본 골격재의 접속수단을 제2 연결수단으로 와이어 본딩하는 단계; 및상기 결과물을 봉지수지로 밀봉하는 단계를 구비하는 것을 특징으로 하는 적층형 반도체 패키지 제조방법.
- 제15항에 있어서,상기 기본 골격재는 리드프레임, 인쇄회로기판 및 플렉시블 기판 중에서 선택된 하나인 것을 특징으로 하는 적층형 반도체 패키지 제조방법.
- 제15항에 있어서,상기 하부, 중간 및 상부 반도체 칩을 탑재하는 방법은,절연성 접착 테이프를 사용하여 탑재하는 것을 특징으로 하는 적층형 반도체 패키지 제조방법.
- 제17항에 있어서,상기 절연성 접착 테이프는 웨이퍼 소잉(sawing) 공정 이전에 웨이퍼 뒷면에 접착된 것을 특징으로 하는 적층형 반도체 패키지 제조방법.
- 제15항에 있어서,상기 제1 연결수단을 통한 와이어 본딩 방법은,아래에 있는 반도체 칩의 제2 본드패드에 볼 본딩을 하고 위에 있는 반도체 칩의 제2 본드패드에는 스티치 본딩을 하는 것을 특징으로 하는 적층형 반도체 패키지 제조방법.
- 제15항에 있어서,상기 봉지수지로 밀봉하는 단계 후에,상기 기본 골격재의 접속수단과 연결된 외부연결단자를 부착하는 단계를 더 진행하는 것을 특징으로 하는 적층형 반도체 패키지 제조방법.
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KR10-2003-0010761A KR100498488B1 (ko) | 2003-02-20 | 2003-02-20 | 적층형 반도체 패키지 및 그 제조방법 |
US10/763,164 US7199458B2 (en) | 2003-02-20 | 2004-01-26 | Stacked offset semiconductor package and method for fabricating |
JP2004043115A JP4456889B2 (ja) | 2003-02-20 | 2004-02-19 | 積層型半導体パッケージ及びその製造方法 |
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KR10-2003-0010761A KR100498488B1 (ko) | 2003-02-20 | 2003-02-20 | 적층형 반도체 패키지 및 그 제조방법 |
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-
2003
- 2003-02-20 KR KR10-2003-0010761A patent/KR100498488B1/ko not_active Expired - Fee Related
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2004
- 2004-01-26 US US10/763,164 patent/US7199458B2/en not_active Expired - Lifetime
- 2004-02-19 JP JP2004043115A patent/JP4456889B2/ja not_active Expired - Fee Related
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Publication number | Priority date | Publication date | Assignee | Title |
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KR101800619B1 (ko) | 2016-03-03 | 2017-11-23 | 주식회사 에스에프에이반도체 | 반도체 패키지 제조방법 |
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JP2004253805A (ja) | 2004-09-09 |
KR20040075245A (ko) | 2004-08-27 |
US20040164392A1 (en) | 2004-08-26 |
US7199458B2 (en) | 2007-04-03 |
JP4456889B2 (ja) | 2010-04-28 |
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