KR20120007645A - 무전해도금을 이용한 적층 칩의 접합 방법 - Google Patents
무전해도금을 이용한 적층 칩의 접합 방법 Download PDFInfo
- Publication number
- KR20120007645A KR20120007645A KR1020100068281A KR20100068281A KR20120007645A KR 20120007645 A KR20120007645 A KR 20120007645A KR 1020100068281 A KR1020100068281 A KR 1020100068281A KR 20100068281 A KR20100068281 A KR 20100068281A KR 20120007645 A KR20120007645 A KR 20120007645A
- Authority
- KR
- South Korea
- Prior art keywords
- metal
- electroless plating
- chip
- bonding
- tsv
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 56
- 238000007772 electroless plating Methods 0.000 title claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 65
- 238000007747 plating Methods 0.000 claims abstract description 27
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 239000010703 silicon Substances 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 239000010931 gold Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000011651 chromium Substances 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 229910021645 metal ion Inorganic materials 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 9
- 241000724291 Tobacco streak virus Species 0.000 description 8
- 238000005304 joining Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- 241000080590 Niso Species 0.000 description 1
- 229910020888 Sn-Cu Inorganic materials 0.000 description 1
- 229910019204 Sn—Cu Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- -1 accelerators Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
Landscapes
- Wire Bonding (AREA)
Abstract
Description
도 2는 무전해도금 방법으로 TSV를 접합하여 이 발명에 따른 적층 칩을 제조한 과정을 설명하기 위한 개략도이며,
도 3은 도 2에 도시된 적층 칩을 접합하는 방법을 설명하기 위한 개략도이다.
114 : 금속 패드 115 : 금속 범프
200 : 적층 칩 210 : 금속 접합부
300 : 도금조 310 : 무전해 도금액
320 : 지그
Claims (6)
- 칩의 상면 및 하면으로 돌출되는 금속 패드와 금속 범프를 각각 갖는 복수의 실리콘 관통전극(TSV : Through-Silicon Via)을 구비한 칩 복수개를 상기 금속 패드와 상기 금속 범프가 서로 접촉하도록 정렬하는 단계와,
상기 정렬된 복수의 칩을 무전해 도금액이 채워진 도금조 내에 침지시키는 단계, 및
상기 무전해 도금액 내의 금속 이온이 환원되어 서로 접촉하는 상기 금속 패드와 상기 금속 범프의 주위에 금속층을 도금해, 상기 금속 범프와 상기 금속 패드를 서로 접합하는 금속 접합부를 형성함으로써, 상기 복수의 칩을 서로 접합하는 단계를 포함하는 것을 특징으로 하는 무전해도금을 이용한 적층 칩의 접합 방법. - 청구항 1에 있어서,
상기 금속 범프는 그 끝 부분이 뾰족한 원추형 형상인 것을 특징으로 하는 무전해도금을 이용한 적층 칩의 접합 방법. - 청구항 1에 있어서,
상기 금속 범프는 그 끝 부분이 반구형 형상인 것을 특징으로 하는 무전해도금을 이용한 적층 칩의 접합 방법. - 청구항 1에 있어서,
상기 금속 범프는 그 끝 부분이 평편한 평면 형상인 것을 특징으로 하는 무전해도금을 이용한 적층 칩의 접합 방법. - 청구항 1에 있어서,
상기 도금층의 재료는 구리(Cu), 니켈(Ni), 금(Au), 은(Ag), 주석(Sn), 아연(Zn), 크롬(Cr) 중 어느 하나인 것을 특징으로 하는 무전해도금을 이용한 적층 칩의 접합 방법. - 청구항 1 내지 청구항 5 중 어느 한 항에 기재된 접합 방법에 의해 접합된 것을 특징으로 하는 무전해도금을 이용한 적층 칩.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20100068281A KR101158730B1 (ko) | 2010-07-15 | 2010-07-15 | 무전해도금을 이용한 적층 칩의 접합 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20100068281A KR101158730B1 (ko) | 2010-07-15 | 2010-07-15 | 무전해도금을 이용한 적층 칩의 접합 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20120007645A true KR20120007645A (ko) | 2012-01-25 |
KR101158730B1 KR101158730B1 (ko) | 2012-06-22 |
Family
ID=45612884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20100068281A Active KR101158730B1 (ko) | 2010-07-15 | 2010-07-15 | 무전해도금을 이용한 적층 칩의 접합 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101158730B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9240366B2 (en) | 2013-04-22 | 2016-01-19 | Samsung Electronics Co., Ltd. | Semiconductor device, semiconductor package, and electronic system |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101959395B1 (ko) | 2012-07-06 | 2019-03-18 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
KR20140073163A (ko) | 2012-12-06 | 2014-06-16 | 삼성전자주식회사 | 반도체 장치 및 그의 형성방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100435813B1 (ko) * | 2001-12-06 | 2004-06-12 | 삼성전자주식회사 | 금속 바를 이용하는 멀티 칩 패키지와 그 제조 방법 |
US7491582B2 (en) * | 2004-08-31 | 2009-02-17 | Seiko Epson Corporation | Method for manufacturing semiconductor device and semiconductor device |
KR101116167B1 (ko) * | 2007-10-29 | 2012-03-06 | 한양대학교 산학협력단 | 금속 복합 범프 형성 및 이를 이용한 접합 방법 |
-
2010
- 2010-07-15 KR KR20100068281A patent/KR101158730B1/ko active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9240366B2 (en) | 2013-04-22 | 2016-01-19 | Samsung Electronics Co., Ltd. | Semiconductor device, semiconductor package, and electronic system |
Also Published As
Publication number | Publication date |
---|---|
KR101158730B1 (ko) | 2012-06-22 |
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