KR100980607B1 - 루테늄 연마용 슬러리 및 그를 이용한 연마 방법 - Google Patents
루테늄 연마용 슬러리 및 그를 이용한 연마 방법 Download PDFInfo
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- KR100980607B1 KR100980607B1 KR1020070113859A KR20070113859A KR100980607B1 KR 100980607 B1 KR100980607 B1 KR 100980607B1 KR 1020070113859 A KR1020070113859 A KR 1020070113859A KR 20070113859 A KR20070113859 A KR 20070113859A KR 100980607 B1 KR100980607 B1 KR 100980607B1
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- Prior art keywords
- ruthenium
- polishing
- regulator
- slurry
- film
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- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 229910052707 ruthenium Inorganic materials 0.000 title claims abstract description 66
- 238000005498 polishing Methods 0.000 title claims abstract description 62
- 239000002002 slurry Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 21
- JQWHASGSAFIOCM-UHFFFAOYSA-M sodium periodate Chemical compound [Na+].[O-]I(=O)(=O)=O JQWHASGSAFIOCM-UHFFFAOYSA-M 0.000 claims abstract description 84
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000012153 distilled water Substances 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 239000003002 pH adjusting agent Substances 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 12
- 230000002378 acidificating effect Effects 0.000 claims description 11
- 238000007517 polishing process Methods 0.000 claims description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 9
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 8
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 7
- 239000000908 ammonium hydroxide Substances 0.000 claims description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 7
- 239000007800 oxidant agent Substances 0.000 abstract description 5
- 238000011109 contamination Methods 0.000 abstract description 4
- 239000002341 toxic gas Substances 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- IERHLVCPSMICTF-XVFCMESISA-N CMP group Chemical group P(=O)(O)(O)OC[C@@H]1[C@H]([C@H]([C@@H](O1)N1C(=O)N=C(N)C=C1)O)O IERHLVCPSMICTF-XVFCMESISA-N 0.000 abstract 1
- GOPBSKKOGHDCEH-UHFFFAOYSA-N periodic acid;sodium Chemical compound [Na].OI(=O)(=O)=O GOPBSKKOGHDCEH-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 15
- MLIWQXBKMZNZNF-KUHOPJCQSA-N (2e)-2,6-bis[(4-azidophenyl)methylidene]-4-methylcyclohexan-1-one Chemical compound O=C1\C(=C\C=2C=CC(=CC=2)N=[N+]=[N-])CC(C)CC1=CC1=CC=C(N=[N+]=[N-])C=C1 MLIWQXBKMZNZNF-KUHOPJCQSA-N 0.000 description 13
- KHIWWQKSHDUIBK-UHFFFAOYSA-N periodic acid Chemical compound OI(=O)(=O)=O KHIWWQKSHDUIBK-UHFFFAOYSA-N 0.000 description 10
- 241000872931 Myoporum sandwicense Species 0.000 description 8
- 239000000203 mixture Substances 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- XMPZTFVPEKAKFH-UHFFFAOYSA-P ceric ammonium nitrate Chemical compound [NH4+].[NH4+].[Ce+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O XMPZTFVPEKAKFH-UHFFFAOYSA-P 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 3
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 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 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- -1 iodate ions Chemical class 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 239000012286 potassium permanganate Substances 0.000 description 2
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 2
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005389 semiconductor device fabrication Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000001039 wet etching 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
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1463—Aqueous liquid suspensions
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F3/00—Brightening metals by chemical means
- C23F3/04—Heavy metals
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F3/00—Brightening metals by chemical means
- C23F3/04—Heavy metals
- C23F3/06—Heavy metals with acidic solutions
-
- 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]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
케미컬 | 몰농도 | pH |
H5IO6 |
0.01몰 | 1.95 |
0.02몰 | 1.6 | |
0.06몰 | 1.2 | |
0.1몰 | 1.02 | |
KIO4 |
0.01 | 4.74 |
0.02 | 4.79 | |
0.06 | 4.86 | |
0.1 | 4,8 | |
NaIO4 |
0.01 | 5.97 |
0.02 | 5.2 | |
0.06 | 4.64 | |
0.1 | 4.42 |
Claims (22)
- 증류수, 0.1∼10몰 범위의 몰농도를 갖는 과요오드산나트륨, 0.1∼20중량%을 갖는 알루미나 및 pH 조절제를 포함하고, 상기 pH 조절제의 첨가에 의해 pH가 5.5∼6.5 범위가 되는루테늄 연마용 슬러리.
- 삭제
- 삭제
- 제1항에 있어서,상기 pH 조절제는, 산성조절제 또는 염기성조절제를 포함하는 루테늄 연마용 슬러리.
- 제4항에 있어서,상기 산성 조절제는,염산(HCl), 질산(HNO3), 황산(H2SO4) 또는 인산(H3PO4)을 포함하는 루테늄 연마용 슬러리.
- 제4항에 있어서,상기 염기성 조절제는,수산화암모늄(NH4OH), 수산화칼륨(KOH), 수산화나트륨(NaOH), 테트라메틸아민하이드록사이드(TMAH) 또는 테트라메틸아민(TMA)을 포함하는 루테늄 연마용 슬러리.
- 삭제
- 삭제
- 삭제
- 삭제
- 표면에 요부를 갖는 절연막 위에 루테늄막을 형성하는 단계; 및증류수, 0.1∼10몰 범위의 몰농도를 갖는 과요오드산나트륨, 0.1∼20중량%을 갖는 알루미나 및 pH 조절제를 포함하고 상기 pH 조절제의 첨가에 의해 pH가 5.5∼6.5 범위가 되는 슬러리를 이용하여 상기 요부 외측의 루테늄막을 연마하는 단계를 포함하는 루테늄막의 연마 방법.
- 삭제
- 제11항에 있어서,상기 pH 조절제는, 산성조절제 또는 염기성조절제를 포함하는 루테늄막의 연마방법.
- 제13항에 있어서,상기 산성 조절제는,염산(HCl), 질산(HNO3), 황산(H2SO4) 또는 인산(H3PO4)을 포함하는 루테늄막의 연마 방법.
- 제13항에 있어서,상기 염기성 조절제는,수산화암모늄(NH4OH), 수산화칼륨(KOH), 수산화나트륨(NaOH), 테트라메틸아민하이드록사이드(TMAH) 또는 테트라메틸아민(TMA)을 포함하는 루테늄막의 연마 방 법.
- 삭제
- 삭제
- 삭제
- 삭제
- 제11항에 있어서,상기 절연막은 산화막을 포함하는 루테늄막의 연마 방법.
- 제20항에 있어서,상기 산화막은 테트라에틸오소실리케이트(TEOS)를 포함하는 루테늄막의 연마 방법.
- 제11항에 있어서,상기 연마후에 상기 절연막의 요부 내부에 잔류하는 루테늄막은 캐패시터의 전극이 되는 루테늄막의 연마 방법.
Priority Applications (2)
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KR1020070113859A KR100980607B1 (ko) | 2007-11-08 | 2007-11-08 | 루테늄 연마용 슬러리 및 그를 이용한 연마 방법 |
US12/165,252 US20090124082A1 (en) | 2007-11-08 | 2008-06-30 | Slurry for polishing ruthenium and method for polishing using the same |
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KR1020070113859A KR100980607B1 (ko) | 2007-11-08 | 2007-11-08 | 루테늄 연마용 슬러리 및 그를 이용한 연마 방법 |
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KR100980607B1 true KR100980607B1 (ko) | 2010-09-07 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3894512A4 (en) * | 2018-12-14 | 2022-08-24 | Entegris, Inc. | RUTHENIUM ETCHING COMPOSITION AND PROCESS |
KR20210127920A (ko) | 2019-02-13 | 2021-10-25 | 가부시끼가이샤 도꾸야마 | 오늄염을 포함하는 반도체 웨이퍼의 처리액 |
WO2020166676A1 (ja) * | 2019-02-13 | 2020-08-20 | 株式会社トクヤマ | 次亜塩素酸イオン、及びpH緩衝剤を含む半導体ウェハの処理液 |
JP7081010B2 (ja) * | 2019-02-13 | 2022-06-06 | 株式会社トクヤマ | オニウム塩を含む半導体ウェハの処理液 |
US20200263056A1 (en) * | 2019-02-19 | 2020-08-20 | AGC Inc. | Polishing composition and polishing method |
KR20220051230A (ko) * | 2019-09-27 | 2022-04-26 | 가부시끼가이샤 도꾸야마 | RuO4 가스의 발생 억제제 및 RuO4 가스의 발생 억제 방법 |
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KR20010078784A (ko) * | 2000-02-09 | 2001-08-21 | 마쯔모또 에이찌 | 화학 기계 연마용 수계 분산체 |
KR20030014614A (ko) * | 2001-08-09 | 2003-02-19 | 가부시키가이샤 후지미인코퍼레이티드 | 연마용 조성물 및 그것을 사용한 연마 방법 |
KR20040032052A (ko) * | 2002-10-01 | 2004-04-14 | 가부시키가이샤 후지미 인코포레이티드 | 연마용 조성물 |
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KR100403611B1 (ko) * | 2000-06-07 | 2003-11-01 | 삼성전자주식회사 | 금속-절연체-금속 구조의 커패시터 및 그 제조방법 |
US6730592B2 (en) * | 2001-12-21 | 2004-05-04 | Micron Technology, Inc. | Methods for planarization of metal-containing surfaces using halogens and halide salts |
WO2003075332A1 (fr) * | 2002-03-04 | 2003-09-12 | Fujimi Incorporated | Composition de polissage et creation d'une structure en fil |
TWI288046B (en) * | 2003-11-14 | 2007-10-11 | Showa Denko Kk | Polishing composition and polishing method |
KR100648264B1 (ko) * | 2004-08-17 | 2006-11-23 | 삼성전자주식회사 | 루테늄을 위한 화학적기계적 연마 슬러리, 상기 슬러리를이용한 루테늄에 대한 화학적기계적 연마 방법, 그리고상기 화학적기계적 연마 방법을 이용한 루테늄 전극 형성방법 |
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2007
- 2007-11-08 KR KR1020070113859A patent/KR100980607B1/ko active IP Right Grant
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- 2008-06-30 US US12/165,252 patent/US20090124082A1/en not_active Abandoned
Patent Citations (4)
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KR20010078784A (ko) * | 2000-02-09 | 2001-08-21 | 마쯔모또 에이찌 | 화학 기계 연마용 수계 분산체 |
KR20030014614A (ko) * | 2001-08-09 | 2003-02-19 | 가부시키가이샤 후지미인코퍼레이티드 | 연마용 조성물 및 그것을 사용한 연마 방법 |
JP2003059877A (ja) * | 2001-08-09 | 2003-02-28 | Fujimi Inc | 研磨用組成物およびそれを用いた研磨方法 |
KR20040032052A (ko) * | 2002-10-01 | 2004-04-14 | 가부시키가이샤 후지미 인코포레이티드 | 연마용 조성물 |
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