KR100865424B1 - 패키징 구조와 그 방법 - Google Patents
패키징 구조와 그 방법 Download PDFInfo
- Publication number
- KR100865424B1 KR100865424B1 KR1020027011838A KR20027011838A KR100865424B1 KR 100865424 B1 KR100865424 B1 KR 100865424B1 KR 1020027011838 A KR1020027011838 A KR 1020027011838A KR 20027011838 A KR20027011838 A KR 20027011838A KR 100865424 B1 KR100865424 B1 KR 100865424B1
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- Prior art keywords
- substrate
- metal
- interconnect
- die
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004806 packaging method and process Methods 0.000 title description 4
- 239000000758 substrate Substances 0.000 claims abstract description 57
- 239000010931 gold Substances 0.000 claims abstract description 35
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 39
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 229910052737 gold Inorganic materials 0.000 claims description 15
- 229910045601 alloy Inorganic materials 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229910052718 tin Inorganic materials 0.000 claims description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 229910015363 Au—Sn Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims 10
- 239000012790 adhesive layer Substances 0.000 claims 7
- 150000002739 metals Chemical class 0.000 claims 5
- 230000013011 mating Effects 0.000 claims 3
- 238000007772 electroless plating Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 12
- 230000001070 adhesive effect Effects 0.000 abstract description 12
- 229920000642 polymer Polymers 0.000 abstract description 7
- 229910001128 Sn alloy Inorganic materials 0.000 abstract description 5
- 229910001020 Au alloy Inorganic materials 0.000 abstract description 4
- 238000005272 metallurgy Methods 0.000 abstract description 3
- 239000010949 copper Substances 0.000 description 4
- 238000001465 metallisation Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000002998 adhesive polymer Substances 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
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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
- H01L2924/0132—Binary 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
- H01L2924/013—Alloys
- H01L2924/014—Solder 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
- H01L2924/06—Polymers
- H01L2924/078—Adhesive characteristics other than chemical
- H01L2924/07802—Adhesive characteristics other than chemical not being an ohmic electrical conductor
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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
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- Manufacturing & Machinery (AREA)
- Wire Bonding (AREA)
Abstract
Description
Claims (25)
- 플립칩과 기판 사이를 야금으로 연결하기 위한 방법에 있어서, 상기 방법은-금속 패턴을 가진 기판을 제공하는 단계,-다이 상에 형성된 복수의 금(Au) 스터드 범프(gold solder bump)를 가진 다이를 제공하는 단계,-기판과 다이 사이에 접착 층(adhesive layer)을 배열하는 단계,-기판의 금속 패턴 상에 복수의 주석(Sn) 상호연결 스폿(tin interconnect spot)을 형성하는 단계,-상기 상호연결 스폿 위로 스터드 범프를 배열시키는 단계,-Au-Sn 접촉면 접합부(interface junction)을 형성하기 위하여 상호연결 스폿으로 스터드 범프를 누르는 단계,-압력 하에서 Au-Sn 접촉면 접합부를 형성하고 기판과 다이를 정렬된 상태로 고정시키기 위하여 접착 층을 경화시키는 단계 및-80:20의 Au-Sn 합금을 형성하기 위하여 Au-Sn 접합부에서 Au 스터드 범프의 일부분을 Sn 상호연결 스폿으로 용해시키고(dissolve), Sn 상호연결 스폿을 용융시키기 위하여 압력 하에서 200℃ 이상의 온도로 스터드 범프를 가열하는 단계를 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 1 항에 있어서, 상기 가열 단계는 232℃의 온도에서 1 또는 2초 동안 유지되는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 1 항에 있어서, 기판과 다이 사이에 언더필 재료(underfill material)를 형성하는 단계를 추가적으로 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 1 항에 있어서, 기판과 다이 위에 오버몰드 재료(overmold material)를 형성하는 단계를 추가적으로 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 1 항에 있어서, 도금 또는 무전해 도금에 의해 Au 스터드 범프를 형성하는 단계를 추가적으로 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 플립칩과 기판 사이를 야금으로 연결하기 위한 방법에 있어서, 상기 방법은-금속 패턴을 가진 기판을 제공하는 단계를 포함하며,-다이 상에 형성된 복수의 스터드 범프를 가진 다이를 제공하는 단계를 포함하고, 상기 스터드 범프는 제 1 금속으로 제조되며,-기판과 다이 사이에 접착 층을 배열하는 단계를 포함하고,-기판의 금속 패턴상에 복수의 상호연결 스폿을 형성하는 단계를 포함하며, 상기 상호연결 스폿은 제 2 금속으로 제조되고,-상기 상호연결 스폿 위로 스터드 범프를 배열시키는 단계를 포함하며,-제 1 및 제 2 금속 결합 접촉면을 형성하기 위하여 상호연결 스폿으로 스터드 범프를 누르는 단계를 포함하고,-압력 하에서 제 1 및 제 2 금속 결합 접촉면 및 기판과 다이를 정렬된 상태로 고정시키기 위하여 접착 층을 경화시키는 단계를 포함하며,-제 1 및 제 2 금속의 합금을 형성하기 위하여 결합 접촉면에서 제 1 금속의 일부분을 제 2 금속으로 용해시키고, 제 2 금속을 용융시키기 위하여 압력 하에서 200℃ 이상의 온도로 스터드 범프를 가열시키는 단계를 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 6 항에 있어서, 상기 제 1 금속은 금을 포함하고, 제 2 금속은 주석을 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 6 항에 있어서, 합금은 80: 20의 제 1 및 제 2 금속 혼합물을 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 6 항에 있어서, 가열 단계는 232℃의 온도에서 1 또는 2초 동안 유지되는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 플립칩과 기판 사이를 야금으로 연결하기 위한 방법에 있어서, 상기 방법은-금속 패턴을 가진 기판을 제공하는 단계,-다이 상에 형성된 복수의 스터드 범프를 가진 다이를 제공하는 단계,-기판의 금속 패턴상에 복수의 상호연결 스폿을 형성하는 단계,-상기 상호연결 스폿 위로 스터드 범프를 배열시키는 단계,-압력 하에서 결합 접촉면을 형성하기 위하여 상호연결 스폿으로 스터드 범프를 누르는 단계 및-스터드 범프의 일부분을 상호연결 스폿으로 용해시키고, 상호연결 스폿을 용융시키기 위하여 200℃ 이상의 온도로 스터드 범프를 가열시키는 단계를 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 10 항에 있어서, 스터드 범프는 제 1 금속으로 제조되며, 상호연결 스폿은 제 2 금속으로 제조되는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 11 항에 있어서, 제 1 금속은 금을 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 11 항에 있어서, 제 2 금속은 주석을 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 11 항에 있어서, 제 1 금속의 일부분은 제 1 및 제 2 금속의 합금을 형성하기 위하여 제 2 금속으로 용해되는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 14 항에 있어서, 합금은 80:20의 제 1 및 제 2 금속의 혼합물을 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 10 항에 있어서, 기판과 다이 사이에 접착 층을 배열하는 단계 및 압력 하에서 결합 접촉면 및 기판과 다이를 정렬된 상태로 고정하기 위하여 접착 층을 경화시키는 단계를 추가적으로 포함하는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 제 10 항에 있어서, 상기 가열 단계는 232℃의 온도에서 1 또는 2초 동안 유지되는 것을 특징으로 하는 플립칩과 기판 사이를 야금으로 연결하기 위한 방법.
- 반도체 패키지에 있어서, 상기 반도체 패키지는-금속 패턴을 가진 기판,-다이 상에 형성된 복수의 스터드 범프를 가진 다이 및-기판의 금속 패턴상에 형성된 복수의 상호연결 스폿을 포함하고,스터드 범프는 스터드 범프를 결합 접촉면에서 상호연결 스폿으로 누르고, 스터드 범프의 일부분을 상호연결 스폿으로 용해시키고 상호연결 스폿을 용융시키기 위하여 압력 하에서 200℃ 이상의 온도로 결합 접촉면을 가열시킴으로써 상호연결 스폿으로 결합되는 것을 특징으로 하는 반도체 패키지.
- 제 18 항에 있어서, 스터드 범프는 제 1 금속으로 제조되며, 상호연결 스폿은 제 2 금속으로 제조되는 것을 특징으로 하는 반도체 패키지.
- 제 19 항에 있어서, 제 1 금속은 금을 포함하는 것을 특징으로 하는 반도체 패키지.
- 제 19 항에 있어서, 제 2 금속은 주석을 포함하는 것을 특징으로 하는 반도체 패키지.
- 제 19 항에 있어서, 제 1 금속의 일부분은 제 1 및 제 2 금속의 합금을 형성하기 위하여 제 2 금속으로 용해되는 것을 특징으로 하는 반도체 패키지.
- 제 22 항에 있어서, 합금은 80:20의 제 1 및 제 2 금속의 혼합물을 포함하는 것을 특징으로 하는 반도체 패키지.
- 제 18 항에 있어서, 기판과 다이 사이에 배열된 접착 층을 추가적으로 포함하는 것을 특징으로 하는 반도체 패키지.
- 제 18 항에 있어서, 상기 가열 단계는 232℃의 온도에서 1 또는 2초 동안 유지되는 것을 특징으로 하는 반도체 패키지.
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US09/802,375 US20020014702A1 (en) | 2000-03-10 | 2001-03-09 | Packaging structure and method |
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2001
- 2001-03-09 KR KR1020027011838A patent/KR100865424B1/ko active IP Right Grant
- 2001-03-09 US US09/802,375 patent/US20020014702A1/en not_active Abandoned
- 2001-03-09 JP JP2001566605A patent/JP4958363B2/ja not_active Expired - Lifetime
- 2001-03-09 EP EP01916518A patent/EP1264520A4/en not_active Ceased
- 2001-03-09 WO PCT/US2001/007579 patent/WO2001069989A1/en active Application Filing
- 2001-05-22 TW TW090105527A patent/TW484215B/zh not_active IP Right Cessation
-
2006
- 2006-06-01 US US11/444,894 patent/US20060255474A1/en not_active Abandoned
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2009
- 2009-05-26 US US12/472,083 patent/US8119450B2/en not_active Expired - Fee Related
-
2011
- 2011-09-26 US US13/245,181 patent/US20120217635A9/en not_active Abandoned
- 2011-10-07 US US13/268,048 patent/US9312150B2/en not_active Expired - Fee Related
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US9312150B2 (en) | 2016-04-12 |
US20120013005A1 (en) | 2012-01-19 |
US8119450B2 (en) | 2012-02-21 |
US20120217635A9 (en) | 2012-08-30 |
US20090227072A1 (en) | 2009-09-10 |
JP2003533870A (ja) | 2003-11-11 |
TW484215B (en) | 2002-04-21 |
US20060255474A1 (en) | 2006-11-16 |
US20130113093A9 (en) | 2013-05-09 |
JP4958363B2 (ja) | 2012-06-20 |
KR20020089388A (ko) | 2002-11-29 |
US20020014702A1 (en) | 2002-02-07 |
EP1264520A4 (en) | 2007-02-28 |
WO2001069989A1 (en) | 2001-09-20 |
EP1264520A1 (en) | 2002-12-11 |
US20120049357A1 (en) | 2012-03-01 |
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