KR20050032290A - SnAgAu 솔더범프, 이의 제조 방법 및 이 방법을이용한 발광소자 본딩 방법 - Google Patents
SnAgAu 솔더범프, 이의 제조 방법 및 이 방법을이용한 발광소자 본딩 방법 Download PDFInfo
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- 229910000679 solder Inorganic materials 0.000 title claims abstract description 128
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title description 11
- 150000001875 compounds Chemical class 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 52
- 239000010931 gold Substances 0.000 claims abstract description 46
- 229910052737 gold Inorganic materials 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 25
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 22
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 22
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011734 sodium Substances 0.000 claims abstract description 15
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 14
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 14
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 7
- 229910007637 SnAg Inorganic materials 0.000 claims abstract description 7
- 239000004065 semiconductor Substances 0.000 claims description 36
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 29
- 238000002844 melting Methods 0.000 claims description 18
- 230000008018 melting Effects 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 14
- 229910052697 platinum Inorganic materials 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000007790 solid phase Substances 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000012071 phase Substances 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 229910052718 tin Inorganic materials 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000007796 conventional method Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 143
- 229910052751 metal Inorganic materials 0.000 description 26
- 239000002184 metal Substances 0.000 description 26
- 238000010586 diagram Methods 0.000 description 7
- 239000007769 metal material Substances 0.000 description 5
- 238000005253 cladding Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 230000005496 eutectics Effects 0.000 description 3
- 150000002736 metal compounds Chemical class 0.000 description 3
- -1 for example Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
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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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
- B23K35/262—Sn as the principal constituent
-
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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
- H01L21/60—Attaching or detaching leads or other conductive members, to be used for carrying current to or from the device in operation
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- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
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- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/0401—Bonding areas specifically adapted for bump connectors, e.g. under bump metallisation [UBM]
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- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
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Abstract
Description
Claims (26)
- 제 1 내지 제3 원소를 포함하는 화합물로 된 솔더범프에 있어서,상기 제3 원소는 상기 제1 원소와, 복수의 중간상 및 고상선을 갖는 화합물을 형성하는 원소인 것을 특징으로 하는 솔더범프.
- 제 1 항에 있어서, 상기 제1 원소는 주석(Sn)인 것을 특징으로 하는 솔더범프.
- 제 1 항 또는 제 2 항에 있어서, 상기 제2 원소는 은(Ag)인 것을 특징으로 하는 솔더범프.
- 제 1 항, 제 2 항 또는 제 3 항에 있어서, 상기 제3 원소는 Au, Pd, Ni, Cu 또는 Na인 것을 특징으로 하는 솔더범프.
- 제 3 항에 있어서, 상기 은의 함량은 3.3∼8%(3∼7.32wt%)인 것을 특징으로 하는 솔더범프.
- 제 4 항에 있어서, 상기 Au의 함량은 20∼36.63%(29.32∼48.96wt%)인 것을 특징으로 하는 솔더범프.
- 베이스 기판 상에 제1 물질 공급막을 형성하는 제1 단계;상기 제1 물질 공급막 상에 2원계 화합물로 된 솔더범프를 형성하는 제2 단계; 및상기 솔더범프가 형성된 결과물을 가열하는 제3 단계를 포함하는 것을 특징으로 하는 솔더범프 형성방법.
- 제 7 항에 있어서, 상기 제1 물질 공급막은 금막, 팔라듐막, 니켈막, 구리막 또는 나트륨막으로 형성하는 것을 특징으로 하는 솔더범프 형성방법.
- 제 7 항에 있어서, 상기 솔더범프는 SnAg를 포함하는 화합물로 형성하는 것을 특징으로 하는 솔더범프 형성방법.
- 제 9 항에 있어서, 상기 Ag의 함량은 3.3∼8%인 것을 특징으로 하는 솔더범프 형성방법.
- 제 7 항에 있어서, 상기 결과물은 205℃∼235℃로 가열하는 것을 특징으로 하는 솔더범프 형성방법.
- 제 7 항에 있어서, 상기 제3 단계는 상기 솔더범프 상부에 상부막을 부착시킨 다음 실시하는 것을 특징으로 하는 솔더범프 형성방법.
- 제 12 항에 있어서, 상기 솔더범프 상부와 상기 상부막사이에 제2 물질 공급막을 더 형성하는 것을 특징으로 하는 솔더범프 형성방법.
- 제 13 항에 있어서, 상기 제2 물질 공급막은 금막, 팔라듐막, 니켈막, 구리막 또는 나트륨막으로 형성하는 것을 특징으로 하는 솔더범프 형성방법.
- p형 및 n형 전극과 그 사이에 발광을 위한 화합물 반도체층들을 포함하는 발광소자를 형성하는 제1 단계;서브 마운트 상에 서로 이격된 제1 및 제2 패드층을 형성하는 제2 단계;상기 발광소자 상에 p형 전극과 접촉되는 패드층 및 상기 n형 전극과 접촉되는 패드층을 각각 형성하는 제3 단계;상기 제1 및 제2 패드층 상에 각각 제1 및 제2 솔더범프를 형성하는 제4 단계;상기 n형 전극과 접촉되는 패드층과 상기 p형 전극과 접촉되는 패드층이 각각 상기 제1 및 제2 솔더범프와 접촉되도록 상기 발광소자와 상기 서브 마운트를 본딩하는 제5 단계를 포함하되,상기 제1 및 제2 패드층은 상기 본딩 후에 상기 제1 및 제2 솔더범프가 보다 높은 융점을 갖는 솔더범프가 되도록 상기 본딩 동안에 상기 제1 및 제2 솔더범프에 소정의 물질을 공급하는 물질막을 포함하여 형성하는 것을 특징으로 하는 발광소자 본딩 방법.
- 제 15 항에 있어서, 제1 및 제2 패드층은 티타늄막, 백금막 및 상기 물질막을 순차적으로 적층하여 형성하는 것을 특징으로 하는 발광소자 본딩 방법.
- 제 15 항에 있어서, 상기 n형 전극과 접촉되는 패드층과 상기 p형 전극과 접촉되는 패드층은 금막, 백금막 및 티타늄막을 순차적으로 적층하여 형성하는 것을 특징으로 하는 발광소자 본딩 방법.
- 제 15 항에 있어서, 상기 제1 및 제2 솔더범프는 Sn(3.3∼8%)Ag로 된 솔더범프인 것을 특징으로 하는 발광소자 본딩 방법.
- 제 15 항 또는 제 16 항에 있어서, 상기 물질막은 상기 제1 및 제2 솔더범프에 포함된 원소와, 복수의 중간상과 복수의 고상선을 갖는 화합물을 형성하는 원소(이하, 물질막 원소)를 포함하는 것을 특징으로 하는 발광소자 본딩 방법.
- 제 19 항에 있어서, 상기 물질막 원소는 Au, Pd, Ni, Cu 또는 Na인 것을 특징으로 하는 발광소자 본딩 방법.
- 제 15 항에 있어서, 상기 제5 단계는,상기 n형 전극과 접촉되는 패드층과 상기 p형 전극과 접촉되는 패드층이 각각 상기 제1 및 제2 솔더범프와 마주하도록 상기 발광소자를 상기 서브 마운트에 정렬시키는 단계;상기 n형 전극과 접촉되는 패드층과 상기 p형 전극과 접촉되는 패드층을 각각 상기 제1 및 제2 솔더범프에 접촉시키는 단계; 및상기 접촉된 결과물을 205℃∼235℃에서 가열하는 단계를 포함하는 것을 특징으로 하는 발광소자 본딩 방법.
- 제 15 항에 있어서, 상기 보다 높은 융점을 갖는 솔더범프는 Sn(3.3%∼8%)Ag(20∼36.63%)Au로 된 솔더범프인 것을 특징으로 하는 발광소자 본딩 방법.
- 제 21 항에 있어서, 상기 가열 단계에서 상기 결과물에 10~100gf의 압력을 가하는 것을 특징으로 하는 발광소자 본딩 방법.
- 제 15 항에 있어서, 상기 n형 전극과 연결되는 패드층 및 상기 p형 전극과 연결되는 패드층 상에 상기 물질막과 동등한 역할을 하는 물질막(이하, 제2 물질막)을 더 형성하는 것을 특징으로 하는 발광소자 본딩 방법.
- 제 24 항에 있어서, 상기 제2 물질막은 상기 제1 및 제2 솔더범프에 포함된 원소와, 복수의 중간상과 복수의 고상선을 갖는 화합물을 형성하는 원소(이하, 제2 물질막 원소)를 포함하는 것을 특징으로 하는 발광소자 본딩 방법.
- 제 25 항에 있어서, 상기 제2 물질막 원소는 Au, Pd, Ni, Cu 또는 Na인 것을 특징으로 하는 발광소자 본딩 방법.
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KR1020030068321A KR101025844B1 (ko) | 2003-10-01 | 2003-10-01 | SnAgAu 솔더범프, 이의 제조 방법 및 이 방법을이용한 발광소자 본딩 방법 |
US10/949,522 US7219825B2 (en) | 2003-10-01 | 2004-09-27 | SnAgAu solder bumps, method of manufacturing the same, and method of bonding light emitting device using the same |
JP2004278887A JP2005109484A (ja) | 2003-10-01 | 2004-09-27 | SnAgAuソルダーバンプとその製造方法及びその方法を利用した発光素子のボンディング方法 |
CNB2004100899305A CN100413632C (zh) | 2003-10-01 | 2004-09-30 | 锡银金焊料凸点、其制造方法及用其焊接发光装置的方法 |
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KR101221643B1 (ko) * | 2012-03-09 | 2013-01-21 | 서울옵토디바이스주식회사 | 플립칩 구조의 발광 소자 및 이의 제조 방법 |
KR20190007593A (ko) * | 2017-07-13 | 2019-01-23 | 엘지이노텍 주식회사 | 발광 소자 및 발광 소자 패키지 |
CN110349988A (zh) * | 2018-04-03 | 2019-10-18 | 三星电子株式会社 | 发光二极管显示装置 |
CN110349988B (zh) * | 2018-04-03 | 2024-05-07 | 三星电子株式会社 | 发光二极管显示装置 |
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KR101025844B1 (ko) | 2011-03-30 |
US7219825B2 (en) | 2007-05-22 |
CN100413632C (zh) | 2008-08-27 |
US20050072835A1 (en) | 2005-04-07 |
CN1603054A (zh) | 2005-04-06 |
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