KR20120009388A - 열 압착 본딩을 이용한 저응력 연결부 형성 - Google Patents
열 압착 본딩을 이용한 저응력 연결부 형성 Download PDFInfo
- Publication number
- KR20120009388A KR20120009388A KR1020100130198A KR20100130198A KR20120009388A KR 20120009388 A KR20120009388 A KR 20120009388A KR 1020100130198 A KR1020100130198 A KR 1020100130198A KR 20100130198 A KR20100130198 A KR 20100130198A KR 20120009388 A KR20120009388 A KR 20120009388A
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- South Korea
- Prior art keywords
- workpiece
- solder bump
- dielectric layer
- solder
- tangent
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01033—Arsenic [As]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/013—Alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/14—Integrated circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10674—Flip chip
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- H—ELECTRICITY
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- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/08—Treatments involving gases
- H05K2203/082—Suction, e.g. for holding solder balls or components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
도 4 내지 8b는 다양한 실시예들에 따른 접합 구조의 제조에서의 중간 단계들의 단면도들이고,
도 9는 끌어 올린 높이들(pull up heights)의 함수로서의 이웃하는 솔더 범프들간의 간격(S)(도 8) 및 끌어 올린 높이들의 함수로서의 솔더 범프들의 높이들(H)을 나타낸 도면이다.
30 : 유전체층 32 : 솔더 범프
40 : 워크 피스 42 : 금속 패드
44 : 유전체층 46 : 솔더 범프
47 : 언더 범프 메탈러지들(under-bump metallurgies; UBMs)
60 : 가열 공구 66 : 솔더 범프
67 : 공기 덕트 70 : 언더필(underfill)
Claims (10)
- 상면(top surface)을 가진 유전체층을 포함하는 제 1 워크 피스(work piece)를 제공하는 단계;
상기 제 1 워크 피스와 마주시켜 제 2 워크 피스를 배치하는 단계;
상기 제 2 워크 피스와 접촉시켜 가열 공구(heating tool)를 배치하는 단계;
리플로 공정(reflow process)을 수행하기 위해 상기 가열 공구를 이용하여 상기 제 2 워크 피스를 가열하는 단계로서, 상기 제 1 워크 피스와 상기 제 2 워크 피스 사이의 제 1 솔더 범프(solder bump)가 용융되어 제 2 솔더 범프를 형성하는, 상기 제 2 워크 피스를 가열하는 단계; 및
상기 제 2 솔더 범프가 고화(solidify)하기 전에, 상기 제 2 솔더 범프의 접선(tangent line)과 상기 유전체층의 상기 상면 사이에 형성된 각이 약 50도보다 크게 될 때까지, 상기 제 1 워크 피스로부터 멀리 상기 제 2 워크 피스를 끌어당기는 단계를 포함하고,
상기 접선은 상기 제 2 솔더 범프와 상기 유전체층이 만나는 지점에서 그려지는, 방법. - 제 1 항에 있어서,
상기 제 1 워크 피스는 패키지 기판 또는 소자 다이(device die)인, 방법. - 제 1 항에 있어서,
상기 제 1 워크 피스와 마주시켜 상기 제 2 워크 피스를 배치하는 상기 단계 전에, 상기 제 1 솔더 범프가 상기 제 1 워크 피스에 부착되고, 제 3 솔더 범프가 상기 제 2 워크 피스에 부착되고, 상기 제 1 및 제 3 솔더 범프들은 용융되어 상기 제 2 솔더 범프를 형성하는, 방법. - 제 1 항에 있어서,
상기 제 2 솔더 범프와 상기 제 2 워크 피스가 만나는 지점에서, 상기 제 2 솔더 범프의 추가 접선은 상기 제 2 워크 피스의 표면에서 추가 유전체층의 상면과 약 50도보다 큰 추가 각도를 형성하고, 상기 추가 접선은 상기 제 2 범프와 상기 추가 유전체층의 연결부(joint)에서 그려지는, 방법. - 상면을 가진 제 1 유전체층; 및
상기 제 1 유전체층 위의 제 1 부분 및 상기 제 1 유전체층으로 확장하는 제 2 부분을 가진 제 1 솔더 범프를 포함하는,
제 1 워크 피스를 제공하는 단계;
상기 제 1 워크 피스 위에 제 2 워크 피스를 배치하는 단계로서, 상기 제 2 워크 피스는 표면에 제 2 솔더 범프를 포함하고, 상기 제 1 및 제 2 솔더 범프들은 서로 접촉하는, 상기 제 2 워크 피스를 배치하는 단계;
상기 제 2 워크 피스와 접촉시켜 가열 공구를 배치하는 단계;
상기 제 1 및 상기 제 2 솔더 범프들을 용융시켜 제 3 솔더 범프를 형성하기 위해 상기 가열 공구를 이용하여 상기 제 2 워크 피스를 가열하는 단계;
상기 제 3 솔더 범프가 고화하기 전에, 상기 제 2 솔더 범프의 접선과 상기 유전체층의 상기 상면 사이에 형성된 각도가 약 50도보다 크게 될 때까지, 상기 제 2 워크 피스를 끌어 올리는 단계를 포함하고,
상기 접선은 상기 제 3 솔더 범프와 상기 유전체층의 연결부로부터 시작해서 그려지는, 방법. - 제 5 항에 있어서,
상기 제 3 솔더 범프와 상기 제 2 워크 피스의 연결부에서, 상기 제 2 솔더 범프의 추가 접선은 상기 제 2 워크 피스의 수평면과 약 50도보다 큰 추가 각도를 형성하는, 방법. - 상면을 가진 유전체층을 포함하는 제 1 워크 피스;
제 2 워크 피스; 및
상기 제 1 워크 피스를 상기 제 2 워크 피스에 접합하는 솔더 범프를 포함하고, 상기 솔더 범프와 상기 유전체층의 연결부로부터 시작해서 그려진 상기 솔더 범프의 접선은 상기 유전체층의 상기 상면과 각도를 형성하고, 상기 각도는 약 50도보다 큰, 디바이스. - 제 7 항에 있어서,
상기 각도는 약 60도보다 큰, 디바이스. - 제 7 항에 있어서,
상기 각도는 약 75도보다 큰, 디바이스. - 제 7 항에 있어서,
상기 솔더 범프와 상기 제 2 워크 피스가 연결되는 연결부에서, 상기 제 2 워크 피스의 표면에서의 추가 솔더 범프의 추가 접선은 상기 제 2 워크 피스의 주면(major surface)과 약 50도보다 큰 추가 각도를 형성하는, 디바이스.
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US12/841,882 | 2010-07-22 | ||
US12/841,882 US8360303B2 (en) | 2010-07-22 | 2010-07-22 | Forming low stress joints using thermal compress bonding |
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CN104347547B (zh) * | 2013-07-26 | 2018-03-02 | 日月光半导体制造股份有限公司 | 半导体封装件及其的制造方法 |
US9252076B2 (en) | 2013-08-07 | 2016-02-02 | Taiwan Semiconductor Manufacturing Company, Ltd. | 3D packages and methods for forming the same |
JP6431442B2 (ja) * | 2015-03-17 | 2018-11-28 | 東芝メモリ株式会社 | 半導体装置およびその製造方法 |
US20170179069A1 (en) * | 2015-12-18 | 2017-06-22 | Jonathon R. Carstens | Ball grid array solder attachment |
JP6538596B2 (ja) * | 2016-03-14 | 2019-07-03 | 東芝メモリ株式会社 | 電子部品の製造方法及び電子部品の製造装置 |
CN110634828B (zh) * | 2018-06-21 | 2021-11-16 | 矽创电子股份有限公司 | 凸块结构 |
KR20210146165A (ko) | 2020-05-26 | 2021-12-03 | 삼성전자주식회사 | 반도체 패키지 |
US11978720B2 (en) * | 2021-01-28 | 2024-05-07 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor device package and methods of manufacture |
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