KR100948814B1 - 텅스텐 배선 형성용 슬러리 조성물 및 이를 이용한 반도체소자의 제조 방법 - Google Patents
텅스텐 배선 형성용 슬러리 조성물 및 이를 이용한 반도체소자의 제조 방법 Download PDFInfo
- Publication number
- KR100948814B1 KR100948814B1 KR1020070096133A KR20070096133A KR100948814B1 KR 100948814 B1 KR100948814 B1 KR 100948814B1 KR 1020070096133 A KR1020070096133 A KR 1020070096133A KR 20070096133 A KR20070096133 A KR 20070096133A KR 100948814 B1 KR100948814 B1 KR 100948814B1
- Authority
- KR
- South Korea
- Prior art keywords
- tungsten
- slurry
- polishing
- insulating film
- polishing rate
- Prior art date
Links
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 132
- 239000010937 tungsten Substances 0.000 title claims abstract description 132
- 239000002002 slurry Substances 0.000 title claims abstract description 131
- 238000000034 method Methods 0.000 title claims abstract description 60
- 239000000203 mixture Substances 0.000 title claims abstract description 22
- 239000004065 semiconductor Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000005498 polishing Methods 0.000 claims abstract description 174
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 68
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000008139 complexing agent Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 9
- -1 Two-Stage Substances 0.000 claims abstract description 5
- 229910021485 fumed silica Inorganic materials 0.000 claims description 24
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 239000008119 colloidal silica Substances 0.000 claims description 13
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 239000004471 Glycine Substances 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 239000011164 primary particle Substances 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- 239000011163 secondary particle Substances 0.000 claims description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 4
- 230000001476 alcoholic effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 2
- UNXHWFMMPAWVPI-QWWZWVQMSA-N D-threitol Chemical compound OC[C@@H](O)[C@H](O)CO UNXHWFMMPAWVPI-QWWZWVQMSA-N 0.000 claims description 2
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 claims description 2
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims description 2
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 claims description 2
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 claims description 2
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 claims description 2
- KZSNJWFQEVHDMF-BYPYZUCNSA-N L-valine Chemical compound CC(C)[C@H](N)C(O)=O KZSNJWFQEVHDMF-BYPYZUCNSA-N 0.000 claims description 2
- KZSNJWFQEVHDMF-UHFFFAOYSA-N Valine Natural products CC(C)C(N)C(O)=O KZSNJWFQEVHDMF-UHFFFAOYSA-N 0.000 claims description 2
- 235000004279 alanine Nutrition 0.000 claims description 2
- 235000003704 aspartic acid Nutrition 0.000 claims description 2
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 claims description 2
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004220 glutamic acid Substances 0.000 claims description 2
- 235000013922 glutamic acid Nutrition 0.000 claims description 2
- 239000003002 pH adjusting agent Substances 0.000 claims description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 2
- 239000000600 sorbitol Substances 0.000 claims description 2
- 239000004474 valine Substances 0.000 claims description 2
- 235000014393 valine Nutrition 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 4
- 230000000996 additive effect Effects 0.000 claims 4
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 abstract description 30
- 239000000377 silicon dioxide Substances 0.000 abstract description 8
- 238000007517 polishing process Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 16
- 235000012431 wafers Nutrition 0.000 description 15
- 239000010410 layer Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 229910021642 ultra pure water Inorganic materials 0.000 description 6
- 239000012498 ultrapure water Substances 0.000 description 6
- 230000002776 aggregation Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000007800 oxidant agent Substances 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 235000001014 amino acid Nutrition 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 239000005380 borophosphosilicate glass Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- SXDBWCPKPHAZSM-UHFFFAOYSA-M bromate Inorganic materials [O-]Br(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-M 0.000 description 1
- SXDBWCPKPHAZSM-UHFFFAOYSA-N bromic acid Chemical compound OBr(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1463—Aqueous liquid suspensions
-
- 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
- H01L21/04—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
- H01L21/18—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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30625—With simultaneous mechanical treatment, e.g. mechanico-chemical polishing
-
- 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
- H01L21/04—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
- H01L21/18—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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/31051—Planarisation of the insulating layers
- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
Claims (26)
- 2차 입경이 70 내지 250nm인 발연실리카 및착화제, 알코올계 유기화합물 및 이들의 혼합물로부터 선택된 첨가제를 포함하며, pH가 8 내지 12이며, 절연막 : 텅스텐 연마 속도비가 3~500 :1 인 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 1차 입경이 30 내지 120nm인 콜로이드 실리카 및착화제, 알콜계 유기화합물 및 이들의 혼합물로부터 선택된 첨가제를 포함하며, pH가 1 내지 4 또는 9 내지 12이며, 절연막 : 텅스텐 연마 속도비가 3~500 :1인 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 삭제
- 제 1항 또는 제 2항에 있어서,상기 발연실리카 또는 콜로이드 실리카는 슬러리 전체 중량에 대해 1 내지 20 중량%로 포함되는 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 제 1항 또는 제 2항에 있어서,상기 착화제는 글리신, 알라닌, 발린, 아스파트산, 글루탐산 및 이들의 혼합물로부터 선택되는 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 제 1항 또는 제 2항에 있어서,상기 착화제는 슬러리 전체 중량에 대하여 0.001 내지 1.0중량%로 포함되는 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 제 1항 또는 제 2항에 있어서,상기 알코올계 유기화합물은 메탄올, 에탄올, 프로판올, 부탄올, 펜탄올, 에틸렌글리콜, 프로필렌글리콜, 부탄디올, 글리세린, 트레이톨(threitol), 자이리톨, 솔비톨 및 이들이 혼합물로부터 선택되는 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 제 1항 또는 제 2항에 있어서,상기 알코올계 유기화합물은 슬러리 전체 중량에 대하여 0.005 내지 3.0중량%로 포함되는 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 삭제
- 삭제
- 제 1항 또는 제 2항에 있어서,상기 슬러리는 pH 조절제를 더 포함하는 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 삭제
- 제 1항 또는 제 2항에 있어서,상기 슬러리의 절연막 : 텅스텐 연마 속도비는 3~100 : 1인 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 제 13항에 있어서,상기 슬러리의 절연막 : 텅스텐 연마 속도비는 3~70 :1 인 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 제 1항 또는 제 2항에 있어서,상기 슬러리의 절연막에 대한 연마속도는 100Å/min 내지 5000Å/min인 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 제 13항에 있어서,상기 슬러리는 2차 입경이 100 내지 170nm인 발연실리카 2 내지 12중량%, 알콜계 유기화합물 0.01 내지 0.5중량%, 착화제 0.005 내지 0.2중량% 및 잔량의 물을 함유하며 pH가 8 내지 12인 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 제 13항에 있어서,상기 슬러리는 1차 입경이 30 내지 120nm인 콜로이드 실리카 5 내지 15중량%, 알콜계 유기화합물 0.01 내지 0.5중량%, 착화제 0.005 내지 0.2중량% 및 잔량의 물을 함유하며 pH가 1 내지12인 것을 특징으로 하는 텅스텐 배선 형성용 2차 슬러리.
- 기판 상에 형성된 절연막 상에 배선 형성용 트랜치를 형성하는 단계상기 트랜치를 포함하는 절연막 전면에 텅스텐막을 증착하는 단계상기 절연막이 노출될 때까지 텅스텐/절연막의 연마 속도비가 30 이상인 제1 슬러리를 이용하여 텅스텐 막을 1차 연마하는 단계 및제 1항 또는 제 2항의 텅스텐 배선 형성용 2차 슬러리를 이용하여 상기 노출된 절연막 및 텅스텐막을 2차 연마하여 평탄화하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 18항에 있어서,상기 절연막은 실리콘산화막인 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 18항에 있어서,상기 텅스텐막 증착 전에 절연막 상부에 확산방지막을 더 구비하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 18항에 있어서,상기 제1 슬러리는 텅스텐/절연막 연마속도비가 30 이상 100이하이고 텅스텐의 연마속도가 2,000Å/min이상 10,000Å/min이하인 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 18항에 있어서,상기 텅스텐 배선 형성용 슬러리는 절연막/텅스텐 연마속도비가 3 이상 500이하이고 절연막 연마속도가 연마속도가 100Å/min이상 5,000Å/min이하인 것을 특징으로 하는 반도체 소자의 제조 방법.
- 패턴 형성된 절연막 상에 증착된 텅스텐 막을 포함하는 기판을 텅스텐/절연막 연마속도비가 30 이상 100이하인 1차 슬러리로 연마(CMP)하는 제1 연마 단계; 및상기 1차 슬러리로 연마 후 절연막/텅스텐 연마속도비가 3 이상 500이하인 2차 슬러리로 연마(CMP)하는 제2 연마 단계;를 포함하는 텅스텐 배선 형성을 위한 화학기계적 연마 방법.
- 제 23 항에 있어서,상기 1차 슬러리의 텅스텐 연마속도는 2000Å/min 이상 10,000Å/min 이하이며, 상기 2차 슬러리의 절연막 연마속도는 100Å/min 이상 5000Å/min 이하인 것을 특징으로 하는 텅스텐 배선 형성을 위한 화학기계적 연마 방법.
- 제 23 항에 있어서,상기 2차 슬러리는 연마제로서 2차 입경이 70 내지 250nm인 발연 실리카를 슬러리 총 중량에 대하여 1 내지 20중량% 함유하고, 착화제, 알코올계 유기화합물 및 이들의 혼합물로부터 선택된 첨가제를 함유하며, pH가 8 내지 12인 것을 특징으로 하는 텅스텐 배선 형성을 위한 화학기계적 연마 방법.
- 제 23 항에 있어서,상기 2차 슬러리는 연마제로서 1차 입경이 10 내지 200nm인 콜로이드 실리카 를 슬러리 총 중량에 대하여 1 내지 20중량% 함유하고, 착화제, 알코올계 유기화합물 및 이들의 혼합물로부터 선택된 첨가제를 함유하며, pH가 1 내지 12인 것을 특징으로 하는 텅스텐 배선 형성을 위한 화학기계적 연마 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/862,443 US20080096385A1 (en) | 2006-09-27 | 2007-09-27 | Slurry composition for forming tungsten pattern and method for manufacturing semiconductor device using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060094347 | 2006-09-27 | ||
KR20060094347 | 2006-09-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080028790A KR20080028790A (ko) | 2008-04-01 |
KR100948814B1 true KR100948814B1 (ko) | 2010-03-24 |
Family
ID=39296738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070096133A KR100948814B1 (ko) | 2006-09-27 | 2007-09-20 | 텅스텐 배선 형성용 슬러리 조성물 및 이를 이용한 반도체소자의 제조 방법 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR100948814B1 (ko) |
CN (1) | CN101161748A (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9567490B2 (en) | 2013-12-27 | 2017-02-14 | Ubmaterials Inc. | Polishing slurry and substrate polishing method using the same |
KR20170075308A (ko) | 2015-12-23 | 2017-07-03 | 솔브레인 주식회사 | 연마 슬러리 조성물 및 이를 이용한 연마방법 |
US9834705B2 (en) | 2015-02-27 | 2017-12-05 | Ubmaterials Inc. | Polishing slurry and method of polishing substrate using the same |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102477258B (zh) * | 2010-11-26 | 2015-05-27 | 安集微电子(上海)有限公司 | 一种化学机械抛光液 |
WO2013024971A2 (ko) * | 2011-08-16 | 2013-02-21 | (주)유비프리시젼 | 텅스텐 연마용 cmp 슬러리 조성물 |
KR101335946B1 (ko) | 2011-08-16 | 2013-12-04 | 유비머트리얼즈주식회사 | 텅스텐 연마용 cmp 슬러리 조성물 |
CN103194148B (zh) * | 2013-04-23 | 2014-10-22 | 清华大学 | 化学机械抛光水性组合物及其用途 |
CN104979277B (zh) * | 2014-04-11 | 2019-06-14 | 中国科学院微电子研究所 | 一种40nm以下尺寸的器件的化学机械平坦化的工艺方法 |
KR101834418B1 (ko) * | 2015-10-02 | 2018-03-05 | 유비머트리얼즈주식회사 | 슬러리 및 이를 이용한 기판 연마 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005518089A (ja) * | 2002-02-13 | 2005-06-16 | クラリアント インターナショナル リミティド | 金属基材の化学機械研磨法 |
JP2006049479A (ja) * | 2004-08-03 | 2006-02-16 | Nitta Haas Inc | 化学的機械研磨方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4644434B2 (ja) * | 2004-03-24 | 2011-03-02 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
KR20060016498A (ko) * | 2004-08-18 | 2006-02-22 | 삼성전자주식회사 | 슬러리 조성물, 이의 제조 방법 및 이를 이용한 가공물의연마방법 |
-
2007
- 2007-09-20 KR KR1020070096133A patent/KR100948814B1/ko active IP Right Grant
- 2007-09-27 CN CNA2007101525469A patent/CN101161748A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005518089A (ja) * | 2002-02-13 | 2005-06-16 | クラリアント インターナショナル リミティド | 金属基材の化学機械研磨法 |
JP2006049479A (ja) * | 2004-08-03 | 2006-02-16 | Nitta Haas Inc | 化学的機械研磨方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9567490B2 (en) | 2013-12-27 | 2017-02-14 | Ubmaterials Inc. | Polishing slurry and substrate polishing method using the same |
US9834705B2 (en) | 2015-02-27 | 2017-12-05 | Ubmaterials Inc. | Polishing slurry and method of polishing substrate using the same |
KR20170075308A (ko) | 2015-12-23 | 2017-07-03 | 솔브레인 주식회사 | 연마 슬러리 조성물 및 이를 이용한 연마방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20080028790A (ko) | 2008-04-01 |
CN101161748A (zh) | 2008-04-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100948814B1 (ko) | 텅스텐 배선 형성용 슬러리 조성물 및 이를 이용한 반도체소자의 제조 방법 | |
KR100581649B1 (ko) | 금속 cmp에서 광택화를 위한 조성물 및 방법 | |
US7842191B2 (en) | CMP slurry for metallic film, polishing method and method of manufacturing semiconductor device | |
US20030162399A1 (en) | Method, composition and apparatus for tunable selectivity during chemical mechanical polishing of metallic structures | |
US8641920B2 (en) | Polishing composition for planarizing metal layer | |
US6638326B2 (en) | Compositions for chemical mechanical planarization of tantalum and tantalum nitride | |
US20090176372A1 (en) | Chemical mechanical polishing slurry and semiconductor device manufacturing method | |
US20100164106A1 (en) | CMP Slurry Composition for Barrier Polishing for Manufacturing Copper Interconnects, Polishing Method Using the Composition, and Semiconductor Device Manufactured by the Method | |
JP2012231170A (ja) | 金属用研磨液及び研磨方法 | |
KR100624594B1 (ko) | 반도체 장치의 제조 방법 | |
EP1909312A1 (en) | Abrasive and process for producing semiconductor integrated-circuit unit | |
CN108250977B (zh) | 一种用于阻挡层平坦化的化学机械抛光液 | |
US6787061B1 (en) | Copper polish slurry for reduced interlayer dielectric erosion and method of using same | |
JP2003086548A (ja) | 半導体装置の製造方法及びその研磨液 | |
KR20100015627A (ko) | 연마제 조성물 및 반도체 집적 회로 장치의 제조 방법 | |
WO2002056351A2 (en) | Polishing of semiconductor substrates | |
JP5319887B2 (ja) | 研磨用スラリー | |
WO2000002235A1 (en) | Method of planarizing integrated circuits | |
US20080096385A1 (en) | Slurry composition for forming tungsten pattern and method for manufacturing semiconductor device using the same | |
WO2011152356A1 (ja) | 研磨剤および研磨方法 | |
JP6251765B2 (ja) | 研磨スラリー及びこれを用いた基板の研磨方法 | |
CN100468647C (zh) | 研磨剂以及研磨方法 | |
KR101882561B1 (ko) | 유기막 연마용 cmp 슬러리 조성물 및 이를 이용한 연마방법 | |
KR100770571B1 (ko) | 텅스텐의 화학적 기계적 연마슬러리 조성물 | |
WO2006047088A1 (en) | Methods and compositions for chemical mechanical polishing substrates |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130513 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20140124 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20150305 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20160307 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20170223 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20180223 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20190220 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20200226 Year of fee payment: 11 |