KR100901058B1 - 연마용 실리카입자 분산액, 그 제조방법 및 연마재 - Google Patents
연마용 실리카입자 분산액, 그 제조방법 및 연마재 Download PDFInfo
- Publication number
- KR100901058B1 KR100901058B1 KR1020020059266A KR20020059266A KR100901058B1 KR 100901058 B1 KR100901058 B1 KR 100901058B1 KR 1020020059266 A KR1020020059266 A KR 1020020059266A KR 20020059266 A KR20020059266 A KR 20020059266A KR 100901058 B1 KR100901058 B1 KR 100901058B1
- Authority
- KR
- South Korea
- Prior art keywords
- ions
- particle dispersion
- particles
- silica
- abrasive
- Prior art date
Links
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
-
- 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
-
- 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
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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]
Abstract
Description
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | |
[핵입자분산액] | ||||
평균입자지름 nm | 3.4 | 3.4 | 25 | 23 |
핵입자농도 wt% | 2.8 | 2.8 | 0.5 | 0.5 |
규산알칼리 | K, SiO2 | K, SiO2 | K, SiO2 | K, SiO2 |
Na이온(Ns)×1017 | 0.105 | 0.024 | 15.0 | 0.005 |
기타이온(Ns)×1017 | 64.4 | 64.4 | 101 | 116 |
(Nk) / (Ns) | 613 | 2683 | 6.7 | 23200 |
pH | 11.4 | 11.2 | 11.3 | 11.4 |
[산성규산액] | ||||
SiO2농도 wt% | 3.0 | 2.8 | 2.8 | 2.8 |
첨가속도 kg/hr | 9.96 | 9.96 | 0.28 | 5.91 |
Na이온농도 ppm | 13 | 3 | 3 | 3 |
[실리카입자분산액] | ||||
숙성온도 ℃ | 83 | 83 | 87 | 87 |
숙성시간 hr | 1 | 1 | 1 | 1 |
평균입자지름 nm | 23 | 23 | 44 | 45 |
분산액(-1)*1 ppm | 75/2500 | 35/2250 | 1770/2500 | 9/1500 |
분산액(-2)*1 ppm | 23/1000 | 13/800 | 120/750 | 0.6/500 |
분산액(-3)*1 ppm | 9/800 | 5/500 | 21/650 | 0.2/450 |
[연마재] | ||||
표면평활성(-1) | O | O | △ | O |
표면평활성(-2) | O | O | O | O |
표면평활성(-3) | O | O | O | O |
연마속도(-3)Å/min | 2200 | 2100 | 3300 | 3150 |
실시예 5 | 비교예 1 | 비교예 2 | |
[핵입자분산액] | |||
평균입자지름 nm | 23 | 3.4 | 25 |
핵입자농도 wt% | 0.5 | 2.8 | 0.5 |
규산알칼리 | K, SiO2 | Na, SiO2 | Na, SiO2 |
Na이온(Ns)×1017 | 0.056 | 0.657 | 144 |
기타이온(Nk)×1017 | 121 | - | - |
(Nk) / (Ns) | 2161 | 0 | 0 |
pH | 11.2 | 11.2 | 11.2 |
[산성규산액] | |||
SiO2농도 wt% | 3.0 | 4.7 | 4.7 |
첨가속도 kg/hr | 9.90 | 2.2 | 2.37 |
Na이온농도 ppm | 13 | 13 | 13 |
[실리카입자분산액] | |||
숙성온도 ℃ | 87 | 83 | 87 |
숙성시간 hr | 1 | 1 | 1 |
평균입자지름 nm | 44 | 25 | 45 |
분산액(-1) ppm | 50/2100 | 4270/- | 4370/- |
분산액(-2) ppm | 9/1100 | 800/- | 800/- |
분산액(-3) ppm | 6/850 | 300/- | 300/- |
[연마재] | |||
표면평활성(-1) | O | △ | △ |
표면평활성(-2) | O | △ | △ |
표면평활성(-3) | O | O | O |
연마속도(-3)Å/min | 3200 | 1850 | 2700 |
Claims (4)
- 삭제
- 핵입자분산액에 산성규산액을 가하여, 핵입자를 입자 성장시켜 실리카입자분산액을 얻는 공정에 있어서, 핵입자의 표면적 1㎡당 Na이온의 개수로 정의되는 Na이온의 양(Ns)이, 5 ×1017개/핵입자의 표면적(㎡)이하, 또한, 핵입자의 표면적 1㎡당 Na이온이외의 이온의 개수로 정의되는 Na이온이외의 이온의 양(Nk)이 5 ×1017 ∼2000 ×1017개/핵입자의 표면적(㎡ )의 범위에 있고, (Nk)/(Ns)가 5 이상의 조건하에서 입자 성장시키는 것을 특징으로 하는 연마용 실리카입자분산액의 제조방법.
- 제 2 항에 있어서, 상기 산성규산액의 첨가전에 규산알칼리를 상기 핵입자분산액에 첨가하는 연마용 실리카입자분산액의 제조방법.
- 삭제
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2001-00304958 | 2001-10-01 | ||
JP2001304958A JP3804009B2 (ja) | 2001-10-01 | 2001-10-01 | 研磨用シリカ粒子分散液、その製造方法および研磨材 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030028419A KR20030028419A (ko) | 2003-04-08 |
KR100901058B1 true KR100901058B1 (ko) | 2009-06-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020059266A KR100901058B1 (ko) | 2001-10-01 | 2002-09-30 | 연마용 실리카입자 분산액, 그 제조방법 및 연마재 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6669748B2 (ko) |
JP (1) | JP3804009B2 (ko) |
KR (1) | KR100901058B1 (ko) |
TW (1) | TWI284148B (ko) |
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KR19980063805A (ko) * | 1996-12-05 | 1998-10-07 | 고시야마이사무 | 연마 성분 및 방법 |
KR20010043853A (ko) * | 1998-05-27 | 2001-05-25 | 캠베 노부유키 | 산화규소 입자 |
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US4054536A (en) * | 1974-12-23 | 1977-10-18 | Nalco Chemical Company | Preparation of aqueous silica sols free of alkali metal oxides |
DE19650500A1 (de) * | 1996-12-05 | 1998-06-10 | Degussa | Dotierte, pyrogen hergestellte Oxide |
US6309560B1 (en) | 1996-12-09 | 2001-10-30 | Cabot Microelectronics Corporation | Chemical mechanical polishing slurry useful for copper substrates |
-
2001
- 2001-10-01 JP JP2001304958A patent/JP3804009B2/ja not_active Expired - Lifetime
-
2002
- 2002-09-26 US US10/254,992 patent/US6669748B2/en not_active Expired - Lifetime
- 2002-09-30 KR KR1020020059266A patent/KR100901058B1/ko active IP Right Grant
- 2002-09-30 TW TW091122513A patent/TWI284148B/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980063805A (ko) * | 1996-12-05 | 1998-10-07 | 고시야마이사무 | 연마 성분 및 방법 |
KR20010043853A (ko) * | 1998-05-27 | 2001-05-25 | 캠베 노부유키 | 산화규소 입자 |
Also Published As
Publication number | Publication date |
---|---|
US20030068893A1 (en) | 2003-04-10 |
JP3804009B2 (ja) | 2006-08-02 |
US6669748B2 (en) | 2003-12-30 |
KR20030028419A (ko) | 2003-04-08 |
JP2003109921A (ja) | 2003-04-11 |
TWI284148B (en) | 2007-07-21 |
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