KR20050039230A - 초박형 플립칩 패키지의 제조방법 - Google Patents
초박형 플립칩 패키지의 제조방법 Download PDFInfo
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- KR20050039230A KR20050039230A KR1020030074660A KR20030074660A KR20050039230A KR 20050039230 A KR20050039230 A KR 20050039230A KR 1020030074660 A KR1020030074660 A KR 1020030074660A KR 20030074660 A KR20030074660 A KR 20030074660A KR 20050039230 A KR20050039230 A KR 20050039230A
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Abstract
Description
Claims (10)
- 반도체 기판 상에 형성된 금속 패드와, 상기 금속 패드를 노출시키는 보호막 패턴을 포함하는 반도체 칩을 준비하는 단계;상기 보호막 패턴 상에 완충막 패턴을 형성하는 단계;상기 금속 패드와 상기 완충막 패턴 상에 제1 하부 배리어 금속막을 형성하는 단계;상기 금속 패드 상부의 상기 제1 하부 배리어 금속막 상에 제2 하부 배리어 금속막을 형성하는 단계;상기 제2 하부 배리어 금속막 상에, 기둥부와 상기 기둥부의 상부 부분은 버섯부로 구성된 3차원 구조의 솔더 범프를 형성하는 단계;상기 완충막 패턴 상의 제1 하부 배리어 금속막을 식각하는 단계; 및상기 3차원 구조의 솔더 범프를 포함하는 반도체 칩을 뒤집어서 인쇄회로기판 상의 솔더층과 접합하여 플립칩 패키지를 완성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 플립칩 패키지의 제조방법.
- 제1항에 있어서, 상기 완충막 패턴은 폴리이미드막으로 형성하는 것을 특징으로 하는 플립칩 패키지의 제조방법.
- 제1항에 있어서, 상기 제1 하부 배리어 금속막은 티타늄막과 니켈막이 순차적으로 적층된 막으로 형성하는 것을 특징으로 하는 플립칩 패키지의 제조방법.
- 제3항에 있어서, 상기 제1 하부 배리어 금속막은 스퍼터링 방법으로 형성하는 것을 특징으로 하는 플립칩 패키지의 제조방법.
- 제1항에 있어서, 상기 제2 하부 배리어 금속막을 형성하는 단계는,상기 제1 하부 배리어 금속막 상에 상기 금속 패드의 상부 부분을 노출시키는 리세스를 갖는 제1 포토레지스트 패턴을 형성하는 단계와, 상기 제1 포토레지스트 패턴에 의하여 노출된 금속 패드 상부의 제1 하부 배리어 금속막 상에 제2 하부 배리어 금속막을 형성하는 단계와, 상기 제1 포토레지스트 패턴을 제거하는 단계를 포함하여 이루어지는 것을 특징으로 하는 플립칩 패키지의 제조방법.
- 제1항에 있어서, 상기 제2 하부 배리어 금속막은 니켈막으로 형성하는 것을 특징으로 하는 플립칩 패키지의 제조방법.
- 제5항에 있어서, 상기 제2 하부 배리어 금속막은 상기 제1 포토레지스트 패턴을 도금방지막으로 하여 전기도금 방법으로 형성하는 것을 특징으로 하는 플립칩 패키지의 제조방법.
- 제1항에 있어서, 상기 3차원 구조의 솔더 범프를 형성하는 단계는,상기 제1 하부 배리어 금속막 및 제2 하부 배리어 금속막 상에 형성되고, 상기 제2 하부 배리어 금속막 상에는 복수개의 기둥들 및 그 사이에 홀들을 구비하는 제2 포토레지스트 패턴을 형성하는 단계와, 상기 제2 하부 배리어 금속막 상에 형성된 복수개의 홀들을 매립하고, 상단 부분은 버섯부로 구성된 복수개의 기둥들을 갖는 솔더 범프를 형성하는 단계와, 상기 제2 포토레지스트 패턴을 제거하는 단계를 포함하여 이루어지는 것을 특징으로 하는 플립칩 패키지의 제조방법.
- 제1항에 있어서, 상기 솔더 범프는 납과 주석의 합금막으로 형성하는 것을 특징으로 하는 플립칩 패키지의 제조방법.
- 제8항에 있어서, 상기 솔더 범프는 상기 제2 포토레지스트 패턴을 도금 방지막으로 하여 전기도금 방법으로 형성하는 것을 특징으로 하는 플립칩 패키지의 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030074660A KR100585104B1 (ko) | 2003-10-24 | 2003-10-24 | 초박형 플립칩 패키지의 제조방법 |
JP2004308707A JP2005129955A (ja) | 2003-10-24 | 2004-10-22 | 超薄型フリップチップパッケージの製造方法 |
US10/973,528 US7214604B2 (en) | 2003-10-24 | 2004-10-25 | Method of fabricating ultra thin flip-chip package |
US11/691,067 US20070200251A1 (en) | 2003-10-24 | 2007-03-26 | Method of fabricating ultra thin flip-chip package |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020030074660A KR100585104B1 (ko) | 2003-10-24 | 2003-10-24 | 초박형 플립칩 패키지의 제조방법 |
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Publication Number | Publication Date |
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KR20050039230A true KR20050039230A (ko) | 2005-04-29 |
KR100585104B1 KR100585104B1 (ko) | 2006-05-30 |
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KR1020030074660A KR100585104B1 (ko) | 2003-10-24 | 2003-10-24 | 초박형 플립칩 패키지의 제조방법 |
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US (2) | US7214604B2 (ko) |
JP (1) | JP2005129955A (ko) |
KR (1) | KR100585104B1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100764668B1 (ko) * | 2006-11-02 | 2007-10-08 | 삼성전기주식회사 | 플립칩 접속용 기판 및 그 제조방법 |
KR100762354B1 (ko) * | 2006-09-11 | 2007-10-12 | 주식회사 네패스 | 플립칩 반도체 패키지 및 그 제조방법 |
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-
2003
- 2003-10-24 KR KR1020030074660A patent/KR100585104B1/ko active IP Right Grant
-
2004
- 2004-10-22 JP JP2004308707A patent/JP2005129955A/ja active Pending
- 2004-10-25 US US10/973,528 patent/US7214604B2/en active Active
-
2007
- 2007-03-26 US US11/691,067 patent/US20070200251A1/en not_active Abandoned
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100861153B1 (ko) | 2005-10-07 | 2008-09-30 | 가부시끼가이샤 르네사스 테크놀로지 | 반도체장치 |
KR100762354B1 (ko) * | 2006-09-11 | 2007-10-12 | 주식회사 네패스 | 플립칩 반도체 패키지 및 그 제조방법 |
KR100764668B1 (ko) * | 2006-11-02 | 2007-10-08 | 삼성전기주식회사 | 플립칩 접속용 기판 및 그 제조방법 |
US8129840B2 (en) | 2008-07-15 | 2012-03-06 | Samsung Electronics Co., Ltd. | Semiconductor package and methods of manufacturing the same |
Also Published As
Publication number | Publication date |
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US20050090090A1 (en) | 2005-04-28 |
US7214604B2 (en) | 2007-05-08 |
US20070200251A1 (en) | 2007-08-30 |
JP2005129955A (ja) | 2005-05-19 |
KR100585104B1 (ko) | 2006-05-30 |
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