KR100583527B1 - 반도체 연마 슬러리용 첨가제 및 그 조성물 - Google Patents
반도체 연마 슬러리용 첨가제 및 그 조성물 Download PDFInfo
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- KR100583527B1 KR100583527B1 KR1020040054748A KR20040054748A KR100583527B1 KR 100583527 B1 KR100583527 B1 KR 100583527B1 KR 1020040054748 A KR1020040054748 A KR 1020040054748A KR 20040054748 A KR20040054748 A KR 20040054748A KR 100583527 B1 KR100583527 B1 KR 100583527B1
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- additive
- polishing
- organic acid
- polymer organic
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- 238000005498 polishing Methods 0.000 title claims abstract description 108
- 239000004065 semiconductor Substances 0.000 title claims abstract description 50
- 239000002002 slurry Substances 0.000 title claims abstract description 50
- 239000000654 additive Substances 0.000 title claims abstract description 41
- 239000000203 mixture Substances 0.000 title claims abstract description 41
- 230000000996 additive effect Effects 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 33
- 150000007524 organic acids Chemical class 0.000 claims abstract description 32
- 150000001414 amino alcohols Chemical class 0.000 claims abstract description 26
- 229920000642 polymer Polymers 0.000 claims abstract description 24
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims abstract description 8
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 7
- -1 Selection Ratio Substances 0.000 claims abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- 239000001257 hydrogen Substances 0.000 claims abstract description 6
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract description 5
- 229920002125 Sokalan® Polymers 0.000 claims description 47
- 239000004584 polyacrylic acid Substances 0.000 claims description 43
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 claims description 17
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 17
- 235000005985 organic acids Nutrition 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 8
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 3
- WUGQZFFCHPXWKQ-UHFFFAOYSA-N Propanolamine Chemical compound NCCCO WUGQZFFCHPXWKQ-UHFFFAOYSA-N 0.000 claims description 3
- WGAOZGUUHIBABN-UHFFFAOYSA-N 1-aminopentan-1-ol Chemical compound CCCCC(N)O WGAOZGUUHIBABN-UHFFFAOYSA-N 0.000 claims description 2
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 claims description 2
- BKMMTJMQCTUHRP-UHFFFAOYSA-N 2-aminopropan-1-ol Chemical compound CC(N)CO BKMMTJMQCTUHRP-UHFFFAOYSA-N 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- 238000007517 polishing process Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- 239000006104 solid solution Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 25
- 229910052814 silicon oxide Inorganic materials 0.000 description 20
- 229910052581 Si3N4 Inorganic materials 0.000 description 17
- 229910000420 cerium oxide Inorganic materials 0.000 description 17
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 17
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 17
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical group [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 description 4
- 229910052684 Cerium Inorganic materials 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- GHLITDDQOMIBFS-UHFFFAOYSA-H cerium(3+);tricarbonate Chemical compound [Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GHLITDDQOMIBFS-UHFFFAOYSA-H 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 2
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 2
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 description 2
- 229960004418 trolamine Drugs 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- DUXCSEISVMREAX-UHFFFAOYSA-N 3,3-dimethylbutan-1-ol Chemical compound CC(C)(C)CCO DUXCSEISVMREAX-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000001785 cerium compounds Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229940043237 diethanolamine Drugs 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- KVFVBPYVNUCWJX-UHFFFAOYSA-M ethyl(trimethyl)azanium;hydroxide Chemical compound [OH-].CC[N+](C)(C)C KVFVBPYVNUCWJX-UHFFFAOYSA-M 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- HADKRTWCOYPCPH-UHFFFAOYSA-M trimethylphenylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C1=CC=CC=C1 HADKRTWCOYPCPH-UHFFFAOYSA-M 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
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- 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
- C09K3/1454—Abrasive powders, suspensions and pastes for 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
- H01L21/302—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
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- 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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims (12)
- 제 1항에 있어서,고분자 유기산 혼합물이 20 내지 80 중량%이고, 아미노 알코올이 80 내지 20 중량%인 것을 특징으로 하는 반도체 연마 슬러리용 첨가제.
- 제 2항에 있어서,고분자 유기산 혼합물이 40 내지 60 중량%이고, 아미노 알코올이 60 내지 40 중량%인 것을 특징으로 하는 반도체 연마 슬러리용 첨가제.
- 제 2항 또는 제 3항에 있어서,상기 고분자 유기산은 폴리아크릴산 또는 폴리아크릴산 공중합체인 것을 특징으로 하는 반도체 연마 슬러리용 첨가제.
- 제 2항 또는 제 3항에 있어서,상이한 점도를 가지는 상기 고분자 유기산 혼합물은 고형분 2.5% 수용액 기준으로 점도 1.5 cps 내지 5 cps인 고분자 유기산 10 내지 90 중량% 및 고형분 2.5% 수용액 기준으로 점도 0.8 cps 내지 1.5 cps인 고분자 유기산 90 내지 10 중량%로 이루어진 고분자 유기산의 혼합물인 것을 특징으로 하는 반도체 연마 슬러리용 첨가제.
- 제 1항에 있어서,화학식 1의 아미노 알코올의 R1은 C2 내지 C7의 직쇄 또는 측쇄의 히드록시알킬이며, R2 및 R3은 수소, C2 내지 C7의 직쇄 또는 측쇄의 알킬 또는 C2 내지 C7의 직쇄 또는 측쇄의 히드록시알킬인 것을 특징으로 하는 반도체 연마 슬러리용 첨가제.
- 제 6항에 있어서,아미노 알코올은 모노에탄올아민, 디에탄올아민, 트리에탄올아민, 2-아미노-2-메틸-1-프로판올, 3-아미노-1-프로판올, 2-아미노-1-프로판올, 1-아미노-2-프로판올 및 1-아미노-펜탄올 또는 이로부터 선택되는 2 이상의 혼합물인 것을 특징으로 하는 반도체 연마 슬러리용 첨가제.
- 제 2항 또는 제 3항에 있어서,암모니아수 또는 사급 아민염을 추가로 포함하는 것을 특징으로 하는 반도체 연마 슬러리용 첨가제.
- 제 1항에 따른 반도체 연마 슬러리용 첨가제를 함유하는 것을 특징으로 하는 반도체 연마용 슬러리 조성물.
- 삭제
- 제 9항에 따른 연마 슬러리를 사용하는 것을 특징으로 하는 반도체 기판 연마 방법.
- 제 2항 또는 제 3항에 있어서,상이한 점도를 가지는 상기 고분자 유기산 혼합물은 고형분 2.5% 수용액 기준으로 점도 5 cps 내지 50 cps인 고분자 유기산 0.1 내지 10 중량%, 고형분 2.5% 수용액 기준으로 점도 1.5 cps 내지 5 cps인 고분자 유기산 10 내지 40 중량% 및 고형분 2.5% 수용액 기준으로 점도 0.8 cps 내지 1.5 cps인 고분자 유기산 50 내지 89.9 중량%로 이루어진 고분자 유기산의 혼합물인 것을 특징으로 하는 반도체 연마 슬러리용 첨가제.
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KR20060005790A KR20060005790A (ko) | 2006-01-18 |
KR100583527B1 true KR100583527B1 (ko) | 2006-05-26 |
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KR102296739B1 (ko) | 2014-10-27 | 2021-09-01 | 삼성전자 주식회사 | 포토마스크용 세정 조성물을 이용한 집적회로 소자 제조 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001077063A (ja) | 1999-09-07 | 2001-03-23 | Mitsubishi Materials Silicon Corp | シリコンウェーハの研磨液及びこれを用いた研磨方法 |
JP2001323256A (ja) | 2000-05-18 | 2001-11-22 | Jsr Corp | 化学機械研磨用水系分散体 |
KR20030013146A (ko) * | 2001-08-07 | 2003-02-14 | 에이스하이텍 주식회사 | 실리콘 웨이퍼 연마제 조성물과 그 제조방법 |
KR20030041963A (ko) * | 2001-05-25 | 2003-05-27 | 이케이씨 테크놀로지 가부시키가이샤 | 산화세륨 슬러리, 및 기판의 제조 방법 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001077063A (ja) | 1999-09-07 | 2001-03-23 | Mitsubishi Materials Silicon Corp | シリコンウェーハの研磨液及びこれを用いた研磨方法 |
JP2001323256A (ja) | 2000-05-18 | 2001-11-22 | Jsr Corp | 化学機械研磨用水系分散体 |
KR20030041963A (ko) * | 2001-05-25 | 2003-05-27 | 이케이씨 테크놀로지 가부시키가이샤 | 산화세륨 슬러리, 및 기판의 제조 방법 |
KR20030013146A (ko) * | 2001-08-07 | 2003-02-14 | 에이스하이텍 주식회사 | 실리콘 웨이퍼 연마제 조성물과 그 제조방법 |
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