KR101829635B1 - 안정하고 농축가능한 화학 기계적 연마 조성물 및 관련 방법 - Google Patents
안정하고 농축가능한 화학 기계적 연마 조성물 및 관련 방법 Download PDFInfo
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- KR101829635B1 KR101829635B1 KR1020120022020A KR20120022020A KR101829635B1 KR 101829635 B1 KR101829635 B1 KR 101829635B1 KR 1020120022020 A KR1020120022020 A KR 1020120022020A KR 20120022020 A KR20120022020 A KR 20120022020A KR 101829635 B1 KR101829635 B1 KR 101829635B1
- Authority
- KR
- South Korea
- Prior art keywords
- chemical mechanical
- mechanical polishing
- weight
- polishing composition
- acid
- Prior art date
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- 238000005498 polishing Methods 0.000 title claims abstract description 223
- 239000000126 substance Substances 0.000 title claims abstract description 175
- 239000000203 mixture Substances 0.000 title claims abstract description 158
- 238000000034 method Methods 0.000 title claims description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 46
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 239000010949 copper Substances 0.000 claims abstract description 33
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 239000004065 semiconductor Substances 0.000 claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 150000001875 compounds Chemical class 0.000 claims abstract description 24
- 239000003112 inhibitor Substances 0.000 claims abstract description 24
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 20
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011574 phosphorus Substances 0.000 claims abstract description 20
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 20
- 239000002253 acid Substances 0.000 claims abstract description 18
- 239000007800 oxidant agent Substances 0.000 claims abstract description 18
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- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 10
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 10
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- 150000001340 alkali metals Chemical class 0.000 claims abstract description 7
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- 239000012964 benzotriazole Substances 0.000 claims description 19
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 18
- 239000012141 concentrate Substances 0.000 claims description 16
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 12
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 12
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 9
- 229920000388 Polyphosphate Polymers 0.000 claims description 9
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 9
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 claims description 9
- 239000001205 polyphosphate Substances 0.000 claims description 9
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- QUCDWLYKDRVKMI-UHFFFAOYSA-M sodium;3,4-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1C QUCDWLYKDRVKMI-UHFFFAOYSA-M 0.000 claims description 9
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 8
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- 229940048842 sodium xylenesulfonate Drugs 0.000 claims description 8
- HRQDCDQDOPSGBR-UHFFFAOYSA-M sodium;octane-1-sulfonate Chemical compound [Na+].CCCCCCCCS([O-])(=O)=O HRQDCDQDOPSGBR-UHFFFAOYSA-M 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 7
- 229920003145 methacrylic acid copolymer Polymers 0.000 claims description 7
- KVCGISUBCHHTDD-UHFFFAOYSA-M sodium;4-methylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1 KVCGISUBCHHTDD-UHFFFAOYSA-M 0.000 claims description 7
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 claims description 6
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- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 6
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 6
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- 235000019798 tripotassium phosphate Nutrition 0.000 claims description 6
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 5
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- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 claims description 4
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 4
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- 238000007865 diluting Methods 0.000 claims description 4
- 235000021317 phosphate Nutrition 0.000 claims description 4
- 235000011180 diphosphates Nutrition 0.000 claims description 3
- DNXKVOCRSQBZHO-UHFFFAOYSA-M lithium;dodecane-1-sulfonate Chemical compound [Li+].CCCCCCCCCCCCS([O-])(=O)=O DNXKVOCRSQBZHO-UHFFFAOYSA-M 0.000 claims description 3
- JFNAJRJKQQEFNH-UHFFFAOYSA-M lithium;octane-1-sulfonate Chemical compound [Li+].CCCCCCCCS([O-])(=O)=O JFNAJRJKQQEFNH-UHFFFAOYSA-M 0.000 claims description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 3
- LQAZPMXASFNKCD-UHFFFAOYSA-M potassium;dodecane-1-sulfonate Chemical compound [K+].CCCCCCCCCCCCS([O-])(=O)=O LQAZPMXASFNKCD-UHFFFAOYSA-M 0.000 claims description 3
- SJVZUJVRHXYCSP-UHFFFAOYSA-M potassium;octane-1-sulfonate Chemical compound [K+].CCCCCCCCS([O-])(=O)=O SJVZUJVRHXYCSP-UHFFFAOYSA-M 0.000 claims description 3
- DAJSVUQLFFJUSX-UHFFFAOYSA-M sodium;dodecane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCCS([O-])(=O)=O DAJSVUQLFFJUSX-UHFFFAOYSA-M 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- 238000011068 loading method Methods 0.000 claims description 2
- 229920003169 water-soluble polymer Polymers 0.000 abstract description 10
- 150000001720 carbohydrates Chemical class 0.000 abstract description 9
- 239000008139 complexing agent Substances 0.000 abstract description 9
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- 125000000217 alkyl group Chemical group 0.000 abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 4
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- -1 sodium alkyl sulfate Chemical class 0.000 description 8
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group 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 description 3
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- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
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- 235000015523 tannic acid Nutrition 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- VKFFEYLSKIYTSJ-UHFFFAOYSA-N tetraazanium;phosphonato phosphate Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[O-]P([O-])(=O)OP([O-])([O-])=O VKFFEYLSKIYTSJ-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- GDJZZWYLFXAGFH-UHFFFAOYSA-M xylenesulfonate group Chemical group C1(C(C=CC=C1)C)(C)S(=O)(=O)[O-] GDJZZWYLFXAGFH-UHFFFAOYSA-M 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
- OMSYGYSPFZQFFP-UHFFFAOYSA-J zinc pyrophosphate Chemical compound [Zn+2].[Zn+2].[O-]P([O-])(=O)OP([O-])([O-])=O OMSYGYSPFZQFFP-UHFFFAOYSA-J 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
- CZPRKINNVBONSF-UHFFFAOYSA-M zinc;dioxido(oxo)phosphanium Chemical compound [Zn+2].[O-][P+]([O-])=O CZPRKINNVBONSF-UHFFFAOYSA-M 0.000 description 1
Classifications
-
- 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
-
- 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]
-
- 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
- C09G1/06—Other polishing compositions
- C09G1/14—Other polishing compositions based on non-waxy substances
- C09G1/16—Other polishing compositions based on non-waxy substances on natural or synthetic resins
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
Claims (10)
- 초기 성분으로서:
물;
0.1 내지 5 중량%의, 벤조트리아졸, 머캅토벤조트리아졸, 톨릴트리아졸, 이미다졸 및 이들의 조합으로 구성된 군으로부터 선택되는 아졸 억제제;
0.05 내지 1 중량%의, 나트륨 옥탄 술포네이트, 칼륨 옥탄 술포네이트, 리튬 옥탄 술포네이트, 나트륨 도데칸 술포네이트, 칼륨 도데칸 술포네이트 및 리튬 도데칸 술포네이트로 구성된 군으로부터 선택되는 알칼리 금속 유기 계면활성제;
0.05 내지 5 중량%의, 나트륨 톨루엔 술포네이트, 나트륨 크실렌 술포네이트 및 이들의 혼합물로 구성된 군으로부터 선택되는 친수제(hydrope);
0.1 내지 5 중량%의, 포스페이트, 피로포스페이트, 폴리포스페이트, 포스포네이트 및 이들의 혼합물로 구성된 군으로부터 선택되는 인 함유제;
0.1 내지 5 중량%의 수용성 셀룰로즈;
0.05 내지 5 중량%의, 메타크릴산과 아크릴산의 코폴리머;
0.01 내지 5 중량%의 말산; 및
0.05 내지 5 중량%의, 이미노디아세트산, 에틸렌디아민테트라아세트산 및 이들의 혼합물로 구성된 군으로부터 선택되는 수용성 산 화합물;을 포함하며,
암모늄을 0.001 중량% 미만으로 함유하는,
인터커넥트(interconnect) 금속을 함유하는 반도체 웨이퍼를 화학 기계적으로 연마하는데 유용한 화학 기계적 연마 조성물. - 구리 인터커넥트를 갖는 반도체 웨이퍼인 기판을 제공하는 단계;
제1항에 따른 화학 기계적 연마 조성물을 제공하는 단계;
화학 기계적 연마 패드를 제공하는 단계;
상기 화학 기계적 연마 패드와 기판 사이의 계면에서 0.69 내지 34.5 kPa의 다운포스(down force)로 동적 접촉을 발생시키는 단계; 및
상기 화학 기계적 조성물을 상기 화학 기계적 연마 패드와 기판 사이의 계면에서 또는 근처에서 화학 기계적 연마 패드상에 분배시키는 단계를 포함하며;
상기 화학 기계적 연마 조성물은 인산, 수산화마그네슘 및 수산화리튬 중 적어도 하나를 첨가함으로써 pH 2 내지 6으로 조절된 pH를 나타내는,
기판의 화학 기계적 연마 방법. - 제2항에 있어서, 제공되는 화학 기계적 연마 조성물이 농축된 형태이고; 화학 기계적 연마 조성물을 물로 희석하는 단계를 추가로 포함하는, 방법.
- 제2항에 있어서, 화학 기계적 연마 조성물이 8배(8x) 농축물로서 제공되고;
화학 기계적 연마 조성물을 물로 희석하여 희석후 초기 성분의 부하량이 다음과 같이 되도록 하는 단계, 및 산화제를 상기 화학 기계적 연마 조성물에 첨가하는 단계를 추가로 포함하는, 방법:
0.2 내지 0.4 중량%의 벤조트리아졸;
0.05 내지 1 중량%의 나트륨 옥탄 술포네이트;
0.45 내지 1 중량%의, 나트륨 톨루엔 술포네이트, 나트륨 크실렌 술포네이트 및 이들의 혼합물로부터 선택되는 친수제;
0.5 내지 2 중량%의, 인산삼칼륨, 인산수소이칼륨, 인산이수소칼륨 및 이들의 혼합물로부터 선택되는 인 함유제;
0.1 내지 1 중량%의 카복시 메틸 셀룰로오스;
0.05 내지 1 중량%의 메타크릴산과 아크릴산의 코폴리머;
0.4 내지 2 중량%의 이미노디아세트산; 및
0.1 내지 0.5 중량%의 말산. - 제1항에 있어서, 산화제, 유기 용매 및 연마제 중 하나 이상을 추가로 포함하는, 인터커넥트 금속을 함유하는 반도체 웨이퍼를 화학 기계적으로 연마하는데 유용한 화학 기계적 연마 조성물.
- 초기 성분으로서:
물;
0.1 내지 5 중량%의, 벤조트리아졸, 머캅토벤조트리아졸, 톨릴트리아졸, 이미다졸 및 이들의 조합으로 구성된 군으로부터 선택되는 아졸 억제제;
0.05 내지 1 중량%의, 나트륨 옥탄 술포네이트, 칼륨 옥탄 술포네이트, 리튬 옥탄 술포네이트, 나트륨 도데칸 술포네이트, 칼륨 도데칸 술포네이트 및 리튬 도데칸 술포네이트로 구성된 군으로부터 선택되는 알칼리 금속 유기 계면활성제;
0.05 내지 5 중량%의, 나트륨 톨루엔 술포네이트, 나트륨 크실렌 술포네이트 및 이들의 혼합물로 구성된 군으로부터 선택되는 친수제(hydrope);
0.1 내지 5 중량%의, 포스페이트, 피로포스페이트, 폴리포스페이트, 포스포네이트 및 이들의 혼합물로 구성된 군으로부터 선택되는 인 함유제;
0.1 내지 5 중량%의 수용성 셀룰로즈;
0.05 내지 5 중량%의, 메타크릴산과 아크릴산의 코폴리머;
0.01 내지 5 중량%의 말산; 및
0.05 내지 5 중량%의, 이미노디아세트산, 에틸렌디아민테트라아세트산 및 이들의 혼합물로 구성된 군으로부터 선택되는 수용성 산 화합물;을 포함하는, 인터커넥트(interconnect) 금속을 함유하는 반도체 웨이퍼를 화학 기계적으로 연마하는데 유용한 화학 기계적 연마 조성물의 농축물로서, 화학 기계적 연마 조성물의 농축물의 pH가 2 내지 6이고, 화학 기계적 연마 조성물의 농축물의 농도가 화학 기계적 연마 조성물의 사용시점 농도의 4배(4x) 이상인, 화학 기계적 연마 조성물의 농축물. - 제6항에 있어서, 화학 기계적 연마 조성물의 농축물의 농도가 화학 기계적 연마 조성물의 사용시점 농도의 8배(8x) 이상인, 화학 기계적 연마 조성물의 농축물.
- 제6항에 있어서, 화학 기계적 연마 조성물이 연마제를 함유하지 않는, 화학 기계적 연마 조성물의 농축물.
- 삭제
- 삭제
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US13/039,723 US8435896B2 (en) | 2011-03-03 | 2011-03-03 | Stable, concentratable chemical mechanical polishing composition and methods relating thereto |
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2012
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- 2012-03-02 CN CN201210126850.7A patent/CN102702979B/zh not_active Expired - Fee Related
- 2012-03-02 TW TW101106931A patent/TWI609072B/zh not_active IP Right Cessation
- 2012-03-02 JP JP2012046433A patent/JP6118502B2/ja active Active
- 2012-03-02 KR KR1020120022020A patent/KR101829635B1/ko not_active Expired - Fee Related
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US20120225555A1 (en) | 2012-09-06 |
JP2012199532A (ja) | 2012-10-18 |
FR2972196B1 (fr) | 2017-05-19 |
CN102702979A (zh) | 2012-10-03 |
DE102012004220A1 (de) | 2012-09-06 |
KR20120101308A (ko) | 2012-09-13 |
US8435896B2 (en) | 2013-05-07 |
CN102702979B (zh) | 2014-12-03 |
JP6118502B2 (ja) | 2017-04-19 |
TWI609072B (zh) | 2017-12-21 |
TW201249973A (en) | 2012-12-16 |
FR2972196A1 (fr) | 2012-09-07 |
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