KR20070083169A - 금속간 화합물 성장을 억제시킨 솔더 범프가 형성된 반도체칩 및 제조 방법 - Google Patents
금속간 화합물 성장을 억제시킨 솔더 범프가 형성된 반도체칩 및 제조 방법 Download PDFInfo
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Abstract
Description
Claims (12)
- 반도체 칩의 전극 패드 위에 형성된 하나 이상의 금속 접착층과;상기 금속 접착층 위에 형성된 층간 분리막과;상기 층간 분리막 위에 형성되어, 솔더 범프로 침투되도록 한 하나 이상의 피침투 층과;상기 피침투층에 형성된 솔더 범프를 포함하는 것을 특징으로 하는 솔더 범프가 형성된 반도체 칩.
- 제1항에 있어서,상기 하나 이상의 금속 접착층 중 제 1 금속 접착층은 티타늄(Ti), 티타늄 합금(Ti-alloy), 알루미늄(Al), 알루미늄 합금(Al-alloy), 니켈(Ni), 니켈 합금(NI-alloy), 구리(Cu), 구리 합금(Cu-alloy), 크롬(Cr), 크롬 합금(Cr-alloy), 금(Au), 그리고 금 합금(Au-alloy) 중 적어도 어느 하나로 이루어지는 것을 특징으로 하는 솔더 범프가 형성된 반도체 칩.
- 제1항에 있어서,상기 하나 이상의 금속 접착층 중 제 2 금속 접착층은 필요에 따라 삽입할 수 있으며, 니켈(Ni), 니켈 합금(Ni-alloy), 구리(Cu), 구리 합금(Cu-alloy), 팔라듐(Pd), 그리고 팔라듐 합금(Pd-alloy) 중 적어도 어느 하나로 이루어지는 것을 특 징으로 하는 솔더 범프가 형성된 반도체 칩.
- 제1항에 있어서,상기 층간 분리막은 니켈(Ni), 니켈 합금(Ni-alloy), 팔라듐(Pd), 그리고 팔라듐 합금(Pd-alloy) 중 어느 하나로 이루어지는 것을 특징으로 하는 솔더 범프가 형성된 반도체 칩.
- 제1항에 있어서,상기 피침투층은 구리(Cu), 구리 합금( Cu-alloy), 안티몬(Sb), 안티몬 합금(Sb-alloy), 인듐(In), 인듐합금(In-alloy), 주석(Sn), 주석 합금(Sn-alloy), 비스무스(Bi), 비스무스 합금(Bi-alloy), 백금(Pt), 백금합금(Pt-alloy), 금(Au) 그리고 금합금(Au-alloy) 중 적어도 어느 하나로 이루어지는 것을 특징으로 하는 솔더 범프가 형성된 반도체 칩.
- 제1항 또는 제5항에 있어서,상기 피침투층의 두께는 솔더 범프의 크기에 따라 변하며, 피침투층의 두께 또는 부피비를 조절하여 피침투층의 함량이 0.1% ~ 10%의 범위인 솔더 범프를 형성시키는 것을 특징으로 하는 솔더 범프가 형성된 반도체 칩.
- 제1항에 있어서,상기 솔더 범프는 Au 또는 Sn 그리고 Sn/Ag, Sn/Cu, Sn/Zn, Sn/Zn/Bi, Sn/Zn/Bi, Sn/Ag/Cu, Sn/Ag/Bi 의 무연 솔더(Lead-free solder) 및 High lead 와 eutectic 의 유연 솔더(Lead solder) 중 어느 하나로 이루어지는 것을 특징으로 하는 솔더 범프가 형성된 반도체 칩.
- 반도체 칩의 전극 패드 상에 하나 이상의 금속 접착층을 형성하는 과정과;상기 형성된 금속 접착층 위에 층간 분리막을 형성하는 과정과;상기 형성된 층간 분리막 위에 솔더 범프 형성시 상기 솔더 범프 내부로 침투되도록 한 하나 이상의 피침투층을 형성하는 과정과; 그리고,상기 피침투층 위에 솔더 범프를 형성하는 과정을 포함하는 것을 특징으로 하는 반도체 칩 상에 솔더 범프를 형성하기 위한 제조 방법.
- 제8항에 있어서,상기 금속 접착층을 형성한 후, 상기 금속 접착층의 상부 양단에 포토레지스트 패턴을 형성하는 과정을 더 포함하고,상기 층간 분리막은 상기 형성된 포토레지스트 패턴을 통하여, 상기 금속 접착층 위에 형성되는 것을 특징으로 하는 반도체 칩 상에 솔더 범프를 형성하기 위한 제조 방법.
- 제8항 또는 제9항에 있어서,상기 층간 분리막을 형성하는 과정은 스퍼터링 또는 도금 공정을 통하여 이루어지는 것을 특징으로 하는 반도체 칩 상에 솔더 범프를 형성하기 위한 제조 방법.
- 제8항에 있어서,상기 피침투층을 형성하는 과정은 스퍼터링 또는 도금 공정을 통하여 이루어지는 것을 특징으로 하는 반도체 칩 상에 솔더 범프를 형성하기 위한 제조 방법.
- 제8항에 있어서,상기 형성된 솔더 범프를 리플로우(reflow)하는 과정을 더 포함하는 것을 특징으로 하는 반도체 칩 상에 솔더 범프를 형성하기 위한 제조 방법.
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KR1020060016167 | 2006-02-20 | ||
KR20060016167 | 2006-02-20 |
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KR20070083169A true KR20070083169A (ko) | 2007-08-23 |
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JP (1) | JP2009524928A (ko) |
KR (1) | KR100859641B1 (ko) |
TW (1) | TWI338344B (ko) |
WO (1) | WO2007097508A1 (ko) |
Cited By (4)
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KR20170121743A (ko) * | 2015-02-25 | 2017-11-02 | 인텔 코포레이션 | 마이크로전자 구조체 내의 상호연결 패드를 위한 표면 마감부 |
US9899584B2 (en) | 2014-11-10 | 2018-02-20 | Samsung Electronics Co., Ltd. | Semiconductor device and package including solder bumps with strengthened intermetallic compound |
US11728180B2 (en) | 2020-04-01 | 2023-08-15 | Taiwan Semiconductor Manufacturing Company, Ltd. | Chip package structure with conductive adhesive layer |
US12125715B2 (en) | 2023-06-26 | 2024-10-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | Chip package structure with nickel layer |
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US7868453B2 (en) * | 2008-02-15 | 2011-01-11 | International Business Machines Corporation | Solder interconnect pads with current spreading layers |
US9035459B2 (en) * | 2009-04-10 | 2015-05-19 | International Business Machines Corporation | Structures for improving current carrying capability of interconnects and methods of fabricating the same |
TWI430377B (zh) | 2011-08-09 | 2014-03-11 | Univ Nat Chiao Tung | 用於減緩介金屬化合物成長之方法 |
US9099396B2 (en) | 2011-11-08 | 2015-08-04 | Taiwan Semiconductor Manufacturing Company, Ltd. | Post-passivation interconnect structure and method of forming the same |
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CN112992823A (zh) * | 2019-12-17 | 2021-06-18 | 中国科学院苏州纳米技术与纳米仿生研究所 | 一种微凸点连接结构 |
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KR20000019151A (ko) * | 1998-09-09 | 2000-04-06 | 윤종용 | 솔더 범프를 갖는 반도체 칩과 그 제조방법 |
KR20010061775A (ko) * | 1999-12-29 | 2001-07-07 | 이수남 | 웨이퍼 레벨 패키지 및 그의 제조 방법 |
TW471146B (en) * | 2000-12-29 | 2002-01-01 | Apack Technologies Inc | Bump fabrication method |
JP4656275B2 (ja) * | 2001-01-15 | 2011-03-23 | 日本電気株式会社 | 半導体装置の製造方法 |
JP2003037129A (ja) * | 2001-07-25 | 2003-02-07 | Rohm Co Ltd | 半導体装置およびその製造方法 |
KR100643645B1 (ko) * | 2002-06-21 | 2006-11-10 | 후지쯔 가부시끼가이샤 | 반도체 장치 및 그 제조 방법 |
JP2004207685A (ja) * | 2002-12-23 | 2004-07-22 | Samsung Electronics Co Ltd | 無鉛ソルダバンプの製造方法 |
KR100534108B1 (ko) * | 2002-12-23 | 2005-12-08 | 삼성전자주식회사 | 무연 솔더범프 제조 방법 |
JP4066952B2 (ja) * | 2004-01-09 | 2008-03-26 | 株式会社村田製作所 | 電子部品素子、電子部品、及び通信機 |
JP4327656B2 (ja) * | 2004-05-20 | 2009-09-09 | Necエレクトロニクス株式会社 | 半導体装置 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9899584B2 (en) | 2014-11-10 | 2018-02-20 | Samsung Electronics Co., Ltd. | Semiconductor device and package including solder bumps with strengthened intermetallic compound |
KR20170121743A (ko) * | 2015-02-25 | 2017-11-02 | 인텔 코포레이션 | 마이크로전자 구조체 내의 상호연결 패드를 위한 표면 마감부 |
KR20220054886A (ko) * | 2015-02-25 | 2022-05-03 | 인텔 코포레이션 | 마이크로전자 구조체 내의 상호연결 패드를 위한 표면 마감부 |
US11728180B2 (en) | 2020-04-01 | 2023-08-15 | Taiwan Semiconductor Manufacturing Company, Ltd. | Chip package structure with conductive adhesive layer |
US12125715B2 (en) | 2023-06-26 | 2024-10-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | Chip package structure with nickel layer |
Also Published As
Publication number | Publication date |
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TWI338344B (en) | 2011-03-01 |
JP2009524928A (ja) | 2009-07-02 |
KR100859641B1 (ko) | 2008-09-23 |
WO2007097508A1 (en) | 2007-08-30 |
TW200733273A (en) | 2007-09-01 |
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