KR102730229B1 - 반도체와 금속 간의 박리 방지를 위한 열처리방법 - Google Patents
반도체와 금속 간의 박리 방지를 위한 열처리방법 Download PDFInfo
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- KR102730229B1 KR102730229B1 KR1020180131243A KR20180131243A KR102730229B1 KR 102730229 B1 KR102730229 B1 KR 102730229B1 KR 1020180131243 A KR1020180131243 A KR 1020180131243A KR 20180131243 A KR20180131243 A KR 20180131243A KR 102730229 B1 KR102730229 B1 KR 102730229B1
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 51
- 239000002184 metal Substances 0.000 title claims abstract description 51
- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 239000004065 semiconductor Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000000926 separation method Methods 0.000 title claims 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 73
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 39
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 36
- 239000010936 titanium Substances 0.000 claims abstract description 35
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000010030 laminating Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 150000001721 carbon Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910021334 nickel silicide Inorganic materials 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004151 rapid thermal annealing Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
- H01L21/76861—Post-treatment or after-treatment not introducing additional chemical elements into the layer
- H01L21/76864—Thermal treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02186—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing titanium, e.g. TiO2
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
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- H01L21/18—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 the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/7685—Barrier, adhesion or liner layers the layer covering a conductive structure
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Abstract
이러한 본 발명은, 탄화규소 기판에 티타늄층을 적층하는 제1단계; 티타늄층에 니켈층을 적층하는 제2단계; 열처리를 통하여 탄화규소 기판의 하부에 배치되는 금속의 박리가 방지되도록 하는 제3단계;를 포함하는 것을 특징으로 하는 반도체와 금속 간의 박리 방지를 위한 열처리방법을 기술적 요지로 한다.
Description
도 2는 본 발명의 바람직한 실시예에 따른 과정도.
도 3은 본 발명의 바람직한 실시예에 따른 오믹접촉 단면의 TEM 사진.
도 4는 본 발명의 바람직한 실시예에 따른 전기적 특성을 나타낸 그래프.
200: 티타늄층
300: 니켈층
400: 니켈 실리사이드
500: 하부금속
Claims (4)
- 탄화규소 기판에 티타늄층을 적층하는 제1단계;
상기 티타늄층에 니켈층을 적층하는 제2단계; 및
열처리를 통하여 상기 탄화규소 기판의 하부에 배치되는 금속의 박리가 방지되도록 하는 제3단계;를 포함하되,
상기 티타늄층의 두께는 10nm이고,
상기 니켈층의 두께는,
4~24nm이고, 상기 티타늄층의 0.4~2.4배인 것을 특징으로 하는 반도체와 금속 간의 박리 방지를 위한 열처리방법. - 제1항에 있어서,
상기 제3단계의 금속은,
음극(cathode), 드레인(drain) 중 어느 하나 이상인 것을 특징으로 하는 반도체와 금속 간 박리를 방지하기 위한 열처리방법. - 제1항에 있어서,
상기 제3단계에서의 열처리는,
900~1,100℃ 하에서 이루어지는 것을 특징으로 하는 반도체와 금속 간 박리를 방지하기 위한 열처리방법. - 삭제
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KR1020180131243A KR102730229B1 (ko) | 2018-10-30 | 2018-10-30 | 반도체와 금속 간의 박리 방지를 위한 열처리방법 |
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KR1020180131243A KR102730229B1 (ko) | 2018-10-30 | 2018-10-30 | 반도체와 금속 간의 박리 방지를 위한 열처리방법 |
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KR102730229B1 true KR102730229B1 (ko) | 2024-11-15 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011165880A (ja) | 2010-02-09 | 2011-08-25 | Showa Denko Kk | 半導体装置および半導体装置の製造方法 |
JP2017168685A (ja) | 2016-03-16 | 2017-09-21 | 富士電機株式会社 | 炭化珪素半導体装置の製造方法 |
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KR100650992B1 (ko) | 2005-03-21 | 2006-11-29 | 주식회사 이츠웰 | 니켈을 포함하는 금속층으로 n-형 오믹 전극을 형성한질화물 발광 다이오드 |
EP2993690A4 (en) * | 2013-11-22 | 2017-01-18 | Fuji Electric Co., Ltd. | Silicon carbide semiconductor device and method for producing silicon carbide semiconductor device |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011165880A (ja) | 2010-02-09 | 2011-08-25 | Showa Denko Kk | 半導体装置および半導体装置の製造方法 |
JP2017168685A (ja) | 2016-03-16 | 2017-09-21 | 富士電機株式会社 | 炭化珪素半導体装置の製造方法 |
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