JP3983949B2 - 研磨用酸化セリウムスラリー、その製造法及び研磨方法 - Google Patents
研磨用酸化セリウムスラリー、その製造法及び研磨方法 Download PDFInfo
- Publication number
- JP3983949B2 JP3983949B2 JP33110799A JP33110799A JP3983949B2 JP 3983949 B2 JP3983949 B2 JP 3983949B2 JP 33110799 A JP33110799 A JP 33110799A JP 33110799 A JP33110799 A JP 33110799A JP 3983949 B2 JP3983949 B2 JP 3983949B2
- Authority
- JP
- Japan
- Prior art keywords
- cerium oxide
- slurry
- polishing
- conductivity
- mass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000420 cerium oxide Inorganic materials 0.000 title claims abstract description 112
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 239000002002 slurry Substances 0.000 title claims abstract description 109
- 238000005498 polishing Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000008367 deionised water Substances 0.000 claims abstract description 21
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000002245 particle Substances 0.000 claims description 23
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000002296 dynamic light scattering Methods 0.000 claims description 8
- 238000004438 BET method Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 1
- 230000007547 defect Effects 0.000 description 14
- 239000000126 substance Substances 0.000 description 13
- 239000007864 aqueous solution Substances 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 238000007865 diluting Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910021485 fumed silica Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 150000000703 Cerium Chemical class 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 150000001785 cerium compounds Chemical class 0.000 description 1
- 229960001759 cerium oxalate Drugs 0.000 description 1
- ZMZNLKYXLARXFY-UHFFFAOYSA-H cerium(3+);oxalate Chemical compound [Ce+3].[Ce+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O ZMZNLKYXLARXFY-UHFFFAOYSA-H 0.000 description 1
- DRVWBEJJZZTIGJ-UHFFFAOYSA-N cerium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Ce+3].[Ce+3] DRVWBEJJZZTIGJ-UHFFFAOYSA-N 0.000 description 1
- 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 1
- UNJPQTDTZAKTFK-UHFFFAOYSA-K cerium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Ce+3] UNJPQTDTZAKTFK-UHFFFAOYSA-K 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000011882 ultra-fine particle Substances 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
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1463—Aqueous liquid suspensions
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33110799A JP3983949B2 (ja) | 1998-12-21 | 1999-11-22 | 研磨用酸化セリウムスラリー、その製造法及び研磨方法 |
| EP99959933A EP1056816B1 (en) | 1998-12-21 | 1999-12-21 | Cerium oxide slurry for polishing, process for preparing the slurry, and process for polishing with the slurry |
| DE69923666T DE69923666T2 (de) | 1998-12-21 | 1999-12-21 | Aufschlämmung von ceriumoxid zum polieren, verfahren zur herstellung dieser aufschlämmung und verfahren zum polieren mit dieser aufschlämmung |
| TW088122526A TW531555B (en) | 1998-12-21 | 1999-12-21 | Cerium oxide slurry for polishing, process for preparing the slurry, and process for polishing with the slurry |
| PCT/JP1999/007166 WO2000037578A1 (en) | 1998-12-21 | 1999-12-21 | Cerium oxide slurry for polishing, process for preparing the slurry, and process for polishing with the slurry |
| KR1020007009048A KR100359287B1 (ko) | 1998-12-21 | 1999-12-21 | 연마용 세륨 옥사이드 슬러리, 그 슬러리의 제조 방법 및슬러리를 이용한 연마 방법 |
| AT99959933T ATE288949T1 (de) | 1998-12-21 | 1999-12-21 | Aufschlämmung von ceriumoxid zum polieren, verfahren zur herstellung dieser aufschlämmung und verfahren zum polieren mit dieser aufschlämmung |
| ES99959933T ES2235540T3 (es) | 1998-12-21 | 1999-12-21 | Suspension de oxido de cerio para pulir, procedimiento para perparar la suspension y procedimiento para pulir usando la suspension. |
| US09/578,481 US6478836B1 (en) | 1998-12-21 | 2000-05-26 | Cerium oxide slurry for polishing, process for preparing the slurry, and process for polishing with the slurry |
| US09/968,846 US6387139B1 (en) | 1998-12-21 | 2001-10-03 | Cerium oxide slurry for polishing, process for preparing the slurry, and process for polishing with the slurry |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36270798 | 1998-12-21 | ||
| JP10-362707 | 1998-12-21 | ||
| US13637199P | 1999-05-26 | 1999-05-26 | |
| JP33110799A JP3983949B2 (ja) | 1998-12-21 | 1999-11-22 | 研磨用酸化セリウムスラリー、その製造法及び研磨方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000239654A JP2000239654A (ja) | 2000-09-05 |
| JP2000239654A5 JP2000239654A5 (enExample) | 2005-07-28 |
| JP3983949B2 true JP3983949B2 (ja) | 2007-09-26 |
Family
ID=27340458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33110799A Expired - Lifetime JP3983949B2 (ja) | 1998-12-21 | 1999-11-22 | 研磨用酸化セリウムスラリー、その製造法及び研磨方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US6478836B1 (enExample) |
| EP (1) | EP1056816B1 (enExample) |
| JP (1) | JP3983949B2 (enExample) |
| AT (1) | ATE288949T1 (enExample) |
| DE (1) | DE69923666T2 (enExample) |
| ES (1) | ES2235540T3 (enExample) |
| TW (1) | TW531555B (enExample) |
| WO (1) | WO2000037578A1 (enExample) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000039843A1 (en) * | 1998-12-25 | 2000-07-06 | Hitachi Chemical Company, Ltd. | Cmp abrasive, liquid additive for cmp abrasive and method for polishing substrate |
| WO2001000744A1 (en) * | 1999-06-28 | 2001-01-04 | Nissan Chemical Industries, Ltd. | Abrasive compound for glass hard disk platter |
| CN1177012C (zh) | 2000-10-02 | 2004-11-24 | 三井金属鉱业株式会社 | 铈基磨料和铈基磨料的制造方法 |
| US7037352B2 (en) * | 2000-12-12 | 2006-05-02 | Showa Denko Kabushiki Kaisha | Polishing particle and method for producing polishing particle |
| EP1369906B1 (en) * | 2001-02-20 | 2012-06-27 | Hitachi Chemical Company, Ltd. | Polishing compound and method for polishing substrate |
| TWI272249B (en) * | 2001-02-27 | 2007-02-01 | Nissan Chemical Ind Ltd | Crystalline ceric oxide sol and process for producing the same |
| JP2002346912A (ja) * | 2001-05-18 | 2002-12-04 | Nippon Sheet Glass Co Ltd | 情報記録媒体用ガラス基板及びその製造方法 |
| KR100575442B1 (ko) * | 2001-11-16 | 2006-05-03 | 쇼와 덴코 가부시키가이샤 | 세륨계 연마재 및 세륨계 연마재 슬러리 |
| US7666239B2 (en) * | 2001-11-16 | 2010-02-23 | Ferro Corporation | Hydrothermal synthesis of cerium-titanium oxide for use in CMP |
| KR100477939B1 (ko) * | 2002-04-15 | 2005-03-18 | 주식회사 엘지화학 | 단결정 산화세륨 분말의 제조방법 |
| JP2004066384A (ja) * | 2002-08-06 | 2004-03-04 | Kaoru Umeya | ペースト状研磨工具及び研磨方法 |
| KR100539983B1 (ko) * | 2003-05-15 | 2006-01-10 | 학교법인 한양학원 | Cmp용 세리아 연마제 및 그 제조 방법 |
| US20080219130A1 (en) * | 2003-08-14 | 2008-09-11 | Mempile Inc. C/O Phs Corporate Services, Inc. | Methods and Apparatus for Formatting and Tracking Information for Three-Dimensional Storage Medium |
| JP4913409B2 (ja) | 2003-09-12 | 2012-04-11 | 日立化成工業株式会社 | セリウム塩、その製造方法、酸化セリウム及びセリウム系研磨剤 |
| JP2005138197A (ja) * | 2003-11-04 | 2005-06-02 | Fujimi Inc | 研磨用組成物及び研磨方法 |
| US20050108947A1 (en) * | 2003-11-26 | 2005-05-26 | Mueller Brian L. | Compositions and methods for chemical mechanical polishing silica and silicon nitride |
| JP4974447B2 (ja) * | 2003-11-26 | 2012-07-11 | 株式会社フジミインコーポレーテッド | 研磨用組成物及び研磨方法 |
| JP4546071B2 (ja) * | 2003-12-10 | 2010-09-15 | パナソニック株式会社 | 半導体装置の製造方法 |
| TWI334882B (en) | 2004-03-12 | 2010-12-21 | K C Tech Co Ltd | Polishing slurry and method of producing same |
| TWI370843B (en) * | 2004-03-16 | 2012-08-21 | Samsung Corning Prec Mat Co | Ceria slurry for polishing semiconductor thin layer |
| TWI283008B (en) * | 2004-05-11 | 2007-06-21 | K C Tech Co Ltd | Slurry for CMP and method of producing the same |
| US20060021972A1 (en) * | 2004-07-28 | 2006-02-02 | Lane Sarah J | Compositions and methods for chemical mechanical polishing silicon dioxide and silicon nitride |
| TWI273632B (en) * | 2004-07-28 | 2007-02-11 | K C Tech Co Ltd | Polishing slurry, method of producing same, and method of polishing substrate |
| TWI323741B (en) * | 2004-12-16 | 2010-04-21 | K C Tech Co Ltd | Abrasive particles, polishing slurry, and producing method thereof |
| JP5013671B2 (ja) * | 2004-12-28 | 2012-08-29 | 日揮触媒化成株式会社 | 金属酸化物ゾルの製造方法および金属酸化物ゾル |
| KR100641348B1 (ko) * | 2005-06-03 | 2006-11-03 | 주식회사 케이씨텍 | Cmp용 슬러리와 이의 제조 방법 및 기판의 연마 방법 |
| AT502308B1 (de) * | 2005-07-20 | 2010-03-15 | Treibacher Ind Ag | Glasschleifmittel auf ceroxidbasis und verfahren zu dessen herstellung |
| US7708904B2 (en) * | 2005-09-09 | 2010-05-04 | Saint-Gobain Ceramics & Plastics, Inc. | Conductive hydrocarbon fluid |
| KR101103748B1 (ko) * | 2005-09-27 | 2012-01-06 | 삼성코닝정밀소재 주식회사 | 반도체 박막 연마용 산화세륨 슬러리 및 이의 제조방법 |
| TW200730243A (en) * | 2005-12-15 | 2007-08-16 | Mitsui Mining & Smelting Co | Oxygen scavenger and method for producing the same |
| JP5237542B2 (ja) * | 2006-10-03 | 2013-07-17 | 三井金属鉱業株式会社 | 酸化セリウム系研摩材 |
| WO2009056153A1 (en) * | 2007-10-30 | 2009-05-07 | Pall Corporation | Method and system for manufacturing wafer-like slices from a substrate material |
| JP5499556B2 (ja) * | 2008-11-11 | 2014-05-21 | 日立化成株式会社 | スラリ及び研磨液セット並びにこれらから得られるcmp研磨液を用いた基板の研磨方法及び基板 |
| FI20095088L (fi) * | 2009-02-02 | 2010-08-03 | Lauri Ylikorpi | Päällysteen poistoaine |
| US8859428B2 (en) | 2012-10-19 | 2014-10-14 | Air Products And Chemicals, Inc. | Chemical mechanical polishing (CMP) composition for shallow trench isolation (STI) applications and methods of making thereof |
| CN104130714B (zh) * | 2014-07-01 | 2015-10-28 | 蚌埠市高华电子有限公司 | 一种含有磨料的适用于金属的混合抛光液及其制备方法 |
| EP3020689A1 (en) | 2014-11-12 | 2016-05-18 | Rhodia Operations | Cerium oxide particles and method for production thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS629739A (ja) * | 1985-07-05 | 1987-01-17 | Nissan Chem Ind Ltd | 精密鋳型作製用結合剤 |
| FR2604443A1 (fr) * | 1986-09-26 | 1988-04-01 | Rhone Poulenc Chimie | Composition de polissage a base de cerium destinee au polissage des verres organiques |
| US5266088A (en) * | 1992-09-23 | 1993-11-30 | Nicsand | Water-based polish |
| JP3311203B2 (ja) * | 1995-06-13 | 2002-08-05 | 株式会社東芝 | 半導体装置の製造方法及び半導体製造装置、半導体ウェーハの化学的機械的ポリッシング方法 |
-
1999
- 1999-11-22 JP JP33110799A patent/JP3983949B2/ja not_active Expired - Lifetime
- 1999-12-21 EP EP99959933A patent/EP1056816B1/en not_active Expired - Lifetime
- 1999-12-21 TW TW088122526A patent/TW531555B/zh not_active IP Right Cessation
- 1999-12-21 ES ES99959933T patent/ES2235540T3/es not_active Expired - Lifetime
- 1999-12-21 WO PCT/JP1999/007166 patent/WO2000037578A1/en not_active Ceased
- 1999-12-21 AT AT99959933T patent/ATE288949T1/de active
- 1999-12-21 DE DE69923666T patent/DE69923666T2/de not_active Expired - Lifetime
-
2000
- 2000-05-26 US US09/578,481 patent/US6478836B1/en not_active Expired - Lifetime
-
2001
- 2001-10-03 US US09/968,846 patent/US6387139B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69923666T2 (de) | 2005-11-17 |
| ES2235540T3 (es) | 2005-07-01 |
| ATE288949T1 (de) | 2005-02-15 |
| EP1056816B1 (en) | 2005-02-09 |
| US20020032989A1 (en) | 2002-03-21 |
| DE69923666D1 (de) | 2005-03-17 |
| TW531555B (en) | 2003-05-11 |
| WO2000037578A1 (en) | 2000-06-29 |
| EP1056816A1 (en) | 2000-12-06 |
| JP2000239654A (ja) | 2000-09-05 |
| US6478836B1 (en) | 2002-11-12 |
| US6387139B1 (en) | 2002-05-14 |
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