KR101107524B1 - 산화세륨 수분산액의 제조방법 - Google Patents
산화세륨 수분산액의 제조방법 Download PDFInfo
- Publication number
- KR101107524B1 KR101107524B1 KR1020080093995A KR20080093995A KR101107524B1 KR 101107524 B1 KR101107524 B1 KR 101107524B1 KR 1020080093995 A KR1020080093995 A KR 1020080093995A KR 20080093995 A KR20080093995 A KR 20080093995A KR 101107524 B1 KR101107524 B1 KR 101107524B1
- Authority
- KR
- South Korea
- Prior art keywords
- cerium oxide
- dispersion
- producing
- classification
- grinding
- Prior art date
Links
- 229910000420 cerium oxide Inorganic materials 0.000 title claims abstract description 119
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 238000000034 method Methods 0.000 title claims abstract description 58
- 239000006185 dispersion Substances 0.000 title claims abstract description 42
- 239000002245 particle Substances 0.000 claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 claims abstract description 37
- 238000000227 grinding Methods 0.000 claims abstract description 34
- 238000005119 centrifugation Methods 0.000 claims abstract description 15
- 239000011163 secondary particle Substances 0.000 claims description 33
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 12
- 238000010298 pulverizing process Methods 0.000 claims description 11
- 239000011324 bead Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 229920002125 Sokalan® Polymers 0.000 claims description 5
- 238000003801 milling Methods 0.000 claims description 5
- 239000004584 polyacrylic acid Substances 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- -1 amine salt Chemical class 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- KHSBAWXKALEJFR-UHFFFAOYSA-H cerium(3+);tricarbonate;hydrate Chemical compound O.[Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O KHSBAWXKALEJFR-UHFFFAOYSA-H 0.000 claims description 2
- 150000001414 amino alcohols Chemical class 0.000 claims 1
- 238000005498 polishing Methods 0.000 abstract description 25
- 239000004065 semiconductor Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003082 abrasive agent Substances 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 19
- 230000007547 defect Effects 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 235000012431 wafers Nutrition 0.000 description 6
- 238000001238 wet grinding Methods 0.000 description 6
- 239000006061 abrasive grain Substances 0.000 description 5
- 239000002270 dispersing agent Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 150000001785 cerium compounds Chemical class 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 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
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 229920006318 anionic polymer Polymers 0.000 description 1
- 230000005540 biological transmission Effects 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
- 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
- 238000004140 cleaning Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water 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
- 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
- H01L21/31—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)
- 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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
Claims (10)
- 산화세륨 분말의 분쇄 및 분산을 동시에 수행하는 단계; 분쇄 및 분산된 산화세륨 연마재를 분급하는 단계; 및 분급하여 얻어진 산화세륨 분산액을 여과하는 단계;를 포함하고, 상기 분급 단계에서 얻어진 산화세륨의 분산액은 분급 후 산화세륨 2차 입경 평균(CS)에 대한 상기 분쇄 및 분산을 동시에 수행한 후 산화세륨 2차 입경 평균(MS)의 비(MS/CS)가 1.2 내지 1.6이 되도록 조절하여, 산화세륨 함량감소율이 20 내지 35%인 것을 특징으로 하는 산화세륨 수분산액의 제조방법.
- 제 1 항에 있어서,상기 분급 후 산화세륨 2차 입경 평균(CS)은 80 내지 170nm인 산화세륨 수분산액의 제조방법.
- 제 1 항에 있어서,상기 산화세륨은 탄산세륨 수화물을 500 ℃ 내지 900 ℃에서 하소하여 제조된 산화세륨 수분산액의 제조방법.
- 제 1 항에 있어서,상기 분급단계 후 산화세륨 수분산액 내 산화세륨 2차 입경 평균의 1.5 내지 20배인 구멍크기를 가지는 필터를 사용하여 산화세륨 분산액을 여과하는 단계를 더 포함하는 산화세륨 수분산액의 제조방법.
- 제 1 항에 있어서,상기 분쇄 및 분산 단계는 매체 교반식 밀에 의해 수행되는 산화세륨 수분산액의 제조방법.
- 제 5 항에 있어서,상기 매체 교반식 밀은 산화세륨 농도가 10 내지 50중량%인 혼합액을 제조한 후 지르코니아 비드를 사용하여 밀링하는 매체 교반식 밀링법인 산화세륨 수분산액의 제조방법.
- 제 6 항에 있어서,상기 혼합액은 분산제로서 폴리 아크릴산 혹은 폴리 아크릴산 공중합체의 암모늄염, 아민염, 또는 아미노알콜염을 산화세륨 중량에 대하여 0.5 내지 3중량%로 함유하는 산화세륨 수분산액의 제조방법.
- 제 1항에 있어서,상기 분급은 자연낙하법 또는 원심분리법에 의해 수행되는 산화세륨 수분산액의 제조방법.
- 제 8항에 있어서,상기 원심분리법은 연마재 투입유량 및 회전속도를 조절하여 산화세륨의 2차 입경 평균을 조절하는 연속식 원심분리기를 사용하는 산화세륨 수분산액의 제조방법.
- 제 1항 내지 제 9항 중 어느 한 항에 있어서,상기 분쇄 후 산화세륨 함량에 대한 상기 분급 후 산화세륨 함량 감소율이 35%이하인 산화세륨 수분산액의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080093995A KR101107524B1 (ko) | 2008-09-25 | 2008-09-25 | 산화세륨 수분산액의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080093995A KR101107524B1 (ko) | 2008-09-25 | 2008-09-25 | 산화세륨 수분산액의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100034813A KR20100034813A (ko) | 2010-04-02 |
KR101107524B1 true KR101107524B1 (ko) | 2012-01-31 |
Family
ID=42212845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080093995A KR101107524B1 (ko) | 2008-09-25 | 2008-09-25 | 산화세륨 수분산액의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101107524B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015122634A1 (ko) * | 2014-02-14 | 2015-08-20 | 주식회사 케이씨텍 | 슬러리 조성물의 제조 방법 및 이에 의해 제조된 슬러리 조성물 |
KR20190063989A (ko) * | 2017-11-30 | 2019-06-10 | 솔브레인 주식회사 | 산화세륨 입자의 제조방법, 산화세륨 입자 및 이를 포함하는 연마용 슬러리 조성물 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060043627A (ko) * | 2004-03-16 | 2006-05-15 | 삼성코닝 주식회사 | 반도체 박막 연마용 산화세륨 슬러리 |
-
2008
- 2008-09-25 KR KR1020080093995A patent/KR101107524B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060043627A (ko) * | 2004-03-16 | 2006-05-15 | 삼성코닝 주식회사 | 반도체 박막 연마용 산화세륨 슬러리 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015122634A1 (ko) * | 2014-02-14 | 2015-08-20 | 주식회사 케이씨텍 | 슬러리 조성물의 제조 방법 및 이에 의해 제조된 슬러리 조성물 |
US10428240B2 (en) | 2014-02-14 | 2019-10-01 | Kctech Co., Ltd. | Method for preparing slurry composition and slurry composition prepared thereby |
KR20190063989A (ko) * | 2017-11-30 | 2019-06-10 | 솔브레인 주식회사 | 산화세륨 입자의 제조방법, 산화세륨 입자 및 이를 포함하는 연마용 슬러리 조성물 |
KR102426197B1 (ko) * | 2017-11-30 | 2022-07-29 | 솔브레인 주식회사 | 산화세륨 입자의 제조방법, 산화세륨 입자 및 이를 포함하는 연마용 슬러리 조성물 |
Also Published As
Publication number | Publication date |
---|---|
KR20100034813A (ko) | 2010-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1056816B1 (en) | Cerium oxide slurry for polishing, process for preparing the slurry, and process for polishing with the slurry | |
KR101028622B1 (ko) | 산화세륨 슬러리, 산화세륨 연마액 및 이들을 이용한기판의 연마 방법 | |
US8216328B2 (en) | Ceria material and method of forming same | |
JP2009544559A (ja) | 酸化セリウム粉末、その製造方法及びこれを含むcmpスラリー | |
JP4927342B2 (ja) | 半導体薄膜研磨用酸化セリウムスラリー | |
TWI488952B (zh) | Cmp研磿液以及使用此cmp研磨液的研磨方法以及半導體基板的製造方法 | |
KR101107524B1 (ko) | 산화세륨 수분산액의 제조방법 | |
KR101091532B1 (ko) | Cmp용 산화세륨 슬러리의 제조방법 | |
JP2005048125A (ja) | Cmp研磨剤、研磨方法及び半導体装置の製造方法 | |
KR101082620B1 (ko) | 연마용 슬러리 | |
KR100574162B1 (ko) | 세륨계 연마제의 제조방법 | |
CN112680115A (zh) | 一种氧化铈颗粒在抛光工艺中的应用 | |
CN112758974A (zh) | 一种氧化铈颗粒的制备方法 | |
KR101105480B1 (ko) | 화학적 기계적 연마용 슬러리의 제조 방법 및 그를 이용하여 제조된 화학적 기계적 연마용 슬러리 | |
JP2004200268A (ja) | Cmp研磨剤及び基板の研磨方法 | |
JP4666138B2 (ja) | 水性ジルコニアゾル含有研磨用組成物 | |
Kim et al. | Effects of calcination and milling process conditions for ceria slurry on shallow-trench-isolation chemical–mechanical polishing performance | |
KR101103748B1 (ko) | 반도체 박막 연마용 산화세륨 슬러리 및 이의 제조방법 | |
KR20150067784A (ko) | Cmp용 금속산화물 슬러리 및 이의 제조방법 | |
KR101406765B1 (ko) | 화학적 기계적 연마용 슬러리 및 그 제조 방법 | |
US8491682B2 (en) | Abrasive particles, method of manufacturing the abrasive particles, and method of manufacturing chemical mechanical polishing slurry | |
CN112723405A (zh) | 一种氧化铈颗粒及含其的抛光浆料 | |
KR100637400B1 (ko) | 화학기계적 연마용 세리아 슬러리 및 그 제조 방법 | |
KR20180034935A (ko) | 슬러리 조성물의 제조 방법 및 이에 의해 제조된 슬러리 조성물 | |
KR20070073411A (ko) | 반도체 박막 연마용 산화세륨의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
J201 | Request for trial against refusal decision | ||
AMND | Amendment | ||
B601 | Maintenance of original decision after re-examination before a trial | ||
E801 | Decision on dismissal of amendment | ||
S901 | Examination by remand of revocation | ||
GRNO | Decision to grant (after opposition) | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20141230 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20151208 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20161206 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20171204 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20181211 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20191210 Year of fee payment: 9 |