KR20040062417A - 세륨계 연마재 및 그 제조 방법 - Google Patents
세륨계 연마재 및 그 제조 방법 Download PDFInfo
- Publication number
- KR20040062417A KR20040062417A KR10-2003-7007227A KR20037007227A KR20040062417A KR 20040062417 A KR20040062417 A KR 20040062417A KR 20037007227 A KR20037007227 A KR 20037007227A KR 20040062417 A KR20040062417 A KR 20040062417A
- Authority
- KR
- South Korea
- Prior art keywords
- rare earth
- cerium
- abrasive
- fluoride
- mixed
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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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
- 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
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/253—Halides
- C01F17/265—Fluorides
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C19/00—Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
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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
- C09K3/1409—Abrasive particles per se
-
- 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
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/60—Compounds characterised by their crystallite size
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/74—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by peak-intensities or a ratio thereof only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/76—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by a space-group or by other symmetry indications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
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- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Composite Materials (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Cephalosporin Compounds (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Description
| 평균 입경D50(㎛) | 연마 속도(㎛/분) | 스크래치(수/표면) | 표면 조도 Ra(Å) | |
| 실시예 1 | 1.54 | 2.55 | 0.17 | 9 |
| 실시예 2 | 1.46 | 2.68 | 0.08 | 8 |
| 비교예 1 | 1.55 | 2.23 | 0.50 | 13 |
| 비교예 2 | 1.63 | 2.12 | 0.83 | 15 |
| 메인 피크 위치(deg) | 메인 피크 강도 비 | 1차 입경(nm) | 비표면적(m2/g) | |
| 실시예 1 | 28.5 | 0.52 | 30 | 4 |
| 실시예 2 | 28.5 | 0.45 | 40 | 3 |
| 비교예 1 | 28.5 | 0.18 | 80 | 2 |
| 비교예 2 | 28.1 | 0.30 | 70 | 1.6 |
Claims (11)
- 입방정 복합 희토류 옥사이드와 복합산 희토류 플루오라이드를 포함하는 세륨계 연마재로서, 연마재가 옥사이드로 환산하여 90 질량% 이상의 희토류 원소를 함유하고, 희토류 원소가 옥사이드로 환산하여 55 질량% 이상의 세륨을 함유하는 세륨계 연마재.
- 제 1항에 있어서, 연마재가, X선 회절 측정시 28.2°이상의 2θ에서 입방정 복합 옥사이드에 기인한 메인 피크를 가짐을 특징으로 하는 연마재.
- 제 1항 또는 제 2항에 있어서, 연마재가, X선 회절 측정시 산희토류 플루오라이드에 기인한 메인 피크를 가지며, 입방정 복합 희토류 옥사이드에 기인한 메인 피크에 대한 산희토류 플루오라이드에 기인한 메인 피크의 강도비가 0.2 내지 1.0의 범위내에 존재함을 특징으로 하는 연마재.
- 제 1항 내지 제 3항 중의 어느 한 항에 있어서, 연마재가, 입경이 10 내지 50nm이고 비표면적이 2 내지 10m2/g인 1차 입자를 가짐을 특징으로 하는 연마재.
- 제 1항 내지 제 4항 중의 어느 한 항에 있어서, 연마재가 5 내지 10 질량%의플루오르를 함유함을 특징으로 하는 연마재.
- 희토류 원소를 함유하는 광석으로부터 중간 내지 중량의 희토류 원소, Nd 및 희토류 원소 이외의 불순물을 화학적으로 제거함으로써 수득된 혼합 경희토류 화합물을 500 내지 1100℃에서 소성시켜, 혼합 희토류 옥사이드를 생성하는 것을 포함하는 세륨계 연마재의 제조 방법.
- 제 6항에 있어서, 혼합 희토류 옥사이드에 세륨계 희토류 플루오라이드를 첨가시켜 혼합물을 얻고, 이 혼합물을 습식-분쇄, 건조, 소성, 파쇄 및 분급시킴으로써 세륨계 연마재를 생성하는 것을 추가로 포함함을 특징으로 하는 제조 방법.
- 제 6항에 있어서, 혼합 경희토류 화합물을 탄화시켜 수득된 혼합 희토류 카르보네이트 및 세륨계 희토류 플루오라이드를 혼합 희토류 옥사이드에 첨가시켜 혼합물을 얻고, 이 혼합물을 습식-분쇄, 건조, 소성, 파쇄 및 분급시킴으로써 세륨계 연마재를 생성하는 것을 추가로 포함함을 특징으로 하는 제조 방법.
- 제 7항 또는 제 8항에 있어서, 희토류 플루오라이드가, 혼합 경희토류 화합물에 플루오라이드를 첨가시켜 생성된 혼합물을 400℃ 이하의 온도에서 열처리함으로써 수득된 세륨계 혼합 경희토류 화합물의 플루오라이드임을 특징으로 하는 제조 방법.
- 제 6항 내지 제 9항 중의 어느 한 항에 있어서, 소성이 대기압하에서 2 내지 36시간 동안 소성노를 이용하여 수행됨을 특징으로 하는 제조 방법.
- 제 10항에 있어서, 소성노가 전기노 또는 추진식 노임을 특징으로 하는 제조 방법.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2000-00365600 | 2000-11-30 | ||
| JP2000365600 | 2000-11-30 | ||
| US26984301P | 2001-02-21 | 2001-02-21 | |
| US60/269,843 | 2001-02-21 | ||
| PCT/JP2001/010500 WO2002044300A2 (en) | 2000-11-30 | 2001-11-30 | Cerium-based abrasive and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20040062417A true KR20040062417A (ko) | 2004-07-07 |
| KR100647023B1 KR100647023B1 (ko) | 2006-11-17 |
Family
ID=26604984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020037007227A Expired - Lifetime KR100647023B1 (ko) | 2000-11-30 | 2001-11-30 | 세륨계 연마재 및 그 제조 방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US6986798B2 (ko) |
| EP (1) | EP1346003B1 (ko) |
| KR (1) | KR100647023B1 (ko) |
| AT (1) | ATE449827T1 (ko) |
| AU (1) | AU2002218517A1 (ko) |
| DE (1) | DE60140621D1 (ko) |
| WO (1) | WO2002044300A2 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100638317B1 (ko) * | 2004-07-28 | 2006-10-25 | 주식회사 케이씨텍 | 연마용 슬러리 및 이의 제조 방법 및 기판 연마 방법 |
| US10435587B2 (en) | 2015-07-20 | 2019-10-08 | Samsung Electronics Co., Ltd. | Polishing compositions and methods of manufacturing semiconductor devices using the same |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY126099A (en) * | 2000-09-20 | 2006-09-29 | Mitsui Mining & Smelting Co | Cerium-based abrasive, method of examining quality thereof, and method of producing the same |
| JP4002740B2 (ja) * | 2001-05-29 | 2007-11-07 | 三井金属鉱業株式会社 | セリウム系研摩材の製造方法 |
| JP4236857B2 (ja) * | 2002-03-22 | 2009-03-11 | 三井金属鉱業株式会社 | セリウム系研摩材およびその製造方法 |
| US6863825B2 (en) * | 2003-01-29 | 2005-03-08 | Union Oil Company Of California | Process for removing arsenic from aqueous streams |
| US20100187178A1 (en) * | 2003-01-29 | 2010-07-29 | Molycorp Minerals, Llc | Process for removing and sequestering contaminants from aqueous streams |
| JP3875668B2 (ja) * | 2003-08-26 | 2007-01-31 | 三井金属鉱業株式会社 | フッ素を含有するセリウム系研摩材およびその製造方法 |
| WO2006025614A1 (en) * | 2004-09-03 | 2006-03-09 | Showa Denko K.K. | Mixed rare earth oxide, mixed rare earth fluoride, cerium-based abrasive using the materials and production processes thereof |
| KR20060066799A (ko) * | 2004-12-14 | 2006-06-19 | 한국기초과학지원연구원 | 연속 x-선을 이용한 다 차수 반사율 동시 측정방법 및측정 장치 |
| CN101155891B (zh) * | 2005-04-04 | 2012-07-04 | 昭和电工株式会社 | 氧化铈系研磨材料、其制造方法及用途 |
| US8066874B2 (en) * | 2006-12-28 | 2011-11-29 | Molycorp Minerals, Llc | Apparatus for treating a flow of an aqueous solution containing arsenic |
| US8349764B2 (en) | 2007-10-31 | 2013-01-08 | Molycorp Minerals, Llc | Composition for treating a fluid |
| US20090107919A1 (en) * | 2007-10-31 | 2009-04-30 | Chevron U.S.A. Inc. | Apparatus and process for treating an aqueous solution containing chemical contaminants |
| US8252087B2 (en) * | 2007-10-31 | 2012-08-28 | Molycorp Minerals, Llc | Process and apparatus for treating a gas containing a contaminant |
| TW201038510A (en) * | 2009-03-16 | 2010-11-01 | Molycorp Minerals Llc | Porous and durable ceramic filter monolith coated with a rare earth for removing contaminates from water |
| WO2010118368A1 (en) * | 2009-04-09 | 2010-10-14 | Molycorp Minerals Llc | Use of a rare earth for the removal of antimony and bismuth |
| US8727833B2 (en) * | 2009-04-15 | 2014-05-20 | Rhodia (China) Co., Ltd. | Cerium-based particle composition and the preparation thereof |
| MX2012005351A (es) * | 2009-11-09 | 2012-11-23 | Molycorp Minerals Llc | Remocion de los colorantes con tierras raras. |
| US9233863B2 (en) | 2011-04-13 | 2016-01-12 | Molycorp Minerals, Llc | Rare earth removal of hydrated and hydroxyl species |
| CN102585707B (zh) * | 2012-02-28 | 2014-01-29 | 上海华明高纳稀土新材料有限公司 | 铈基混合稀土抛光粉的制备方法 |
| JP2015120844A (ja) * | 2013-12-24 | 2015-07-02 | 旭硝子株式会社 | 研磨剤の製造方法、研磨方法および半導体集積回路装置の製造方法 |
| BR112016020631A2 (pt) | 2014-03-07 | 2018-05-15 | Secure Natural Resources Llc | óxido de cério (iv) com excepcionais propriedades de remoção de arsênico |
| CN104194646B (zh) * | 2014-09-02 | 2016-09-28 | 包头市金蒙研磨材料有限责任公司 | 一种稀土铈基抛光浆生产方法 |
| CN113772713A (zh) * | 2021-08-26 | 2021-12-10 | 北京工业大学 | 一种氟化稀土镧铈抛光粉体的焙烧制备方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2472601A1 (fr) | 1979-12-27 | 1981-07-03 | Rhone Poulenc Ind | Procede de fabrication de compositions de polissage a base de cerium |
| SU1249045A1 (ru) * | 1984-11-02 | 1986-08-07 | Предприятие П/Я Р-6670 | Способ получени суспензии дл полировани оптического стекла |
| US5258167A (en) * | 1990-06-01 | 1993-11-02 | Lion Corporation | Extractant for rare earth metal and method for extracting the same |
| RU2001934C1 (ru) * | 1992-02-10 | 1993-10-30 | Научно-производственный кооператив "Экорунд" | Суспензи дл полировани оптического стекла |
| KR950013315B1 (ko) | 1993-05-07 | 1995-11-02 | 주식회사엘지금속 | 폐수중 불소처리 잔사의 재처리방법 |
| JPH0848969A (ja) * | 1994-08-09 | 1996-02-20 | Mitsui Mining & Smelting Co Ltd | 研磨材 |
| JPH09183966A (ja) | 1995-12-29 | 1997-07-15 | Seimi Chem Co Ltd | セリウム研摩材の製造方法 |
| JP3602670B2 (ja) * | 1996-12-25 | 2004-12-15 | セイミケミカル株式会社 | セリウム系研磨材の製造方法 |
| JP3600725B2 (ja) | 1998-03-24 | 2004-12-15 | 三井金属鉱業株式会社 | セリウム系研摩材の製造方法 |
| JP3480323B2 (ja) | 1998-06-30 | 2003-12-15 | 日立化成工業株式会社 | 酸化セリウム研磨剤、基板の研磨法及び半導体装置 |
| JP2000026840A (ja) | 1998-07-09 | 2000-01-25 | Toray Ind Inc | 研磨材 |
| RU2139949C1 (ru) * | 1998-07-10 | 1999-10-20 | Всероссийский научно-исследовательский институт химической технологии | Способ получения оксида церия |
| JP2000109813A (ja) | 1998-10-08 | 2000-04-18 | Hitachi Chem Co Ltd | Cmp研磨剤及び基板の研磨方法 |
| JP2000303060A (ja) * | 1999-04-19 | 2000-10-31 | Seimi Chem Co Ltd | フッ素化合物砥粒を含む半導体用研磨剤 |
| JP3392398B2 (ja) | 2000-09-20 | 2003-03-31 | 三井金属鉱業株式会社 | セリウム系研摩材、その品質検査方法および製造方法 |
| MY126099A (en) | 2000-09-20 | 2006-09-29 | Mitsui Mining & Smelting Co | Cerium-based abrasive, method of examining quality thereof, and method of producing the same |
-
2001
- 2001-11-30 US US10/433,046 patent/US6986798B2/en not_active Expired - Lifetime
- 2001-11-30 KR KR1020037007227A patent/KR100647023B1/ko not_active Expired - Lifetime
- 2001-11-30 AT AT01998610T patent/ATE449827T1/de not_active IP Right Cessation
- 2001-11-30 WO PCT/JP2001/010500 patent/WO2002044300A2/en not_active Ceased
- 2001-11-30 EP EP01998610A patent/EP1346003B1/en not_active Expired - Lifetime
- 2001-11-30 AU AU2002218517A patent/AU2002218517A1/en not_active Abandoned
- 2001-11-30 DE DE60140621T patent/DE60140621D1/de not_active Expired - Lifetime
-
2005
- 2005-08-16 US US11/204,179 patent/US7470297B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100638317B1 (ko) * | 2004-07-28 | 2006-10-25 | 주식회사 케이씨텍 | 연마용 슬러리 및 이의 제조 방법 및 기판 연마 방법 |
| US10435587B2 (en) | 2015-07-20 | 2019-10-08 | Samsung Electronics Co., Ltd. | Polishing compositions and methods of manufacturing semiconductor devices using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002044300A3 (en) | 2002-08-29 |
| WO2002044300A2 (en) | 2002-06-06 |
| EP1346003A2 (en) | 2003-09-24 |
| AU2002218517A1 (en) | 2002-06-11 |
| US6986798B2 (en) | 2006-01-17 |
| DE60140621D1 (de) | 2010-01-07 |
| ATE449827T1 (de) | 2009-12-15 |
| US20050271570A1 (en) | 2005-12-08 |
| EP1346003B1 (en) | 2009-11-25 |
| US20040043613A1 (en) | 2004-03-04 |
| KR100647023B1 (ko) | 2006-11-17 |
| US7470297B2 (en) | 2008-12-30 |
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