KR20010070501A - 화학 기계 연마용 수계 분산체 및 화학 기계 연마 방법 - Google Patents
화학 기계 연마용 수계 분산체 및 화학 기계 연마 방법 Download PDFInfo
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- KR20010070501A KR20010070501A KR1020010001513A KR20010001513A KR20010070501A KR 20010070501 A KR20010070501 A KR 20010070501A KR 1020010001513 A KR1020010001513 A KR 1020010001513A KR 20010001513 A KR20010001513 A KR 20010001513A KR 20010070501 A KR20010070501 A KR 20010070501A
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- Prior art keywords
- chemical mechanical
- aqueous dispersion
- mechanical polishing
- polishing
- film
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Classifications
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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
- 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
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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
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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 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
Claims (20)
- 구리막, 배리어 금속막 및 절연막을 동일한 조건에 의해 연마했을 경우, 상기 구리막의 연마 속도 (RCu)와 상기 배리어 금속막의 연마 속도 (RBM)의 비 (RCu/RBM)가 0.5≤RCu/RBM≤2이고, 상기 구리막의 연마 속도 (RCu)와 상기 절연막의 연마 속도 (RIn)의 비 (RCu/RIn)가 0.5≤RCu/RIn≤2인 것을 특징으로 하는 화학 기계 연마용 수계 분산체.
- 제1항에 있어서, 상기 배리어 금속막이 탄탈 및(또는) 질화탄탈로 이루어진 것인 화학 기계 연마용 수계 분산체.
- 제1항에 있어서, 적어도 지립, 물 및 연마 속도 조정 성분을 함유한 화학 기계 연마용 수계 분산체.
- 제3항에 있어서, 상기 지립이 무기 입자, 유기 입자 및 무기 유기 복합 입자로부터 선택된 1종 이상의 입자인 화학 기계 연마용 수계 분산체.
- 제3항에 있어서, 상기 연마 속도 조정 성분이 말레산 이온인 화학 기계 연마용 수계 분산체.
- 제5항에 있어서, 상기 말레산 이온의 농도가 0.005 내지 1 몰/리터인 화학 기계 연마용 수계 분산체.
- 제1항에 있어서, pH가 7 내지 11인 화학 기계 연마용 수계 분산체.
- 지립, 복소환 화합물, 유기산 및 산화제를 함유하고, 구리막, 배리어 금속막 및 절연막을 동일한 조건에 의해 연마했을 경우, 상기 구리막의 연마 속도 (RCu)와 상기 배리어 금속막의 연마 속도 (RBM)의 비 (RCu/RBM)가 0<RCu/RBM≤5이고, 상기 절연막의 연마 속도 (RIn)와 상기 배리어 금속막의 연마 속도 (RBM)의 비 (RIn/RBM)가 0<RIn/RBM≤2인 것을 특징으로 하는 화학 기계 연마용 수계 분산체.
- 제8항에 있어서, 또한 0.0001 내지 0.1 질량%의 계면 활성제를 함유한 화학 기계 연마용 수계 분산체.
- 제8항에 있어서, pH가 8.5 미만이고, 상기 RCu/RBM이 0.5<RCu/RBM≤5이며, 상기 RIn/RBM이 0<RIn/RBM≤0.1인 화학 기계 연마용 수계 분산체.
- 제10항에 있어서, 상기 복소환 화합물이 퀴날드산 및 7-히드록시-5-메틸-1,3,4-트리아자인돌리딘 중 적어도 하나인 화학 기계 연마용 수계 분산체.
- 제10항에 있어서, 또한 0.0001 내지 0.1 질량%의 계면 활성제를 함유한 화학 기계 연마용 수계 분산체.
- 제8항에 있어서, pH가 8.5 이상이고, 상기 RCu/RBM이 0<RCu/RBM≤0.1이며, 상기 RIn/RBM이 0<RIn/RBM≤0.1이고, 또한 0.0001 내지 0.1 질량%의 계면 활성제를 함유한 화학 기계 연마용 수계 분산체.
- 제13항에 있어서, 상기 복소환 화합물이 벤조트리아졸인 화학 기계 연마용 수계 분산체.
- 제8항에 있어서, pH가 8.5 이상이고, 상기 RCu/RBM이 0<RCu/RBM≤0.05이며, 상기 RIn/RBM이 0.1<RIn/RBM≤2인 화학 기계 연마용 수계 분산체.
- 제15항에 있어서, 상기 복소환 화합물이 벤조트리아졸, 퀴날드산 및 7-히드록시-5-메틸-1,3,4-트리아자인돌리딘 중 적어도 하나인 화학 기계 연마용 수계 분산체.
- 구리막의 연마 속도 (RCu)와 배리어 금속막의 연마 속도 (RBM)의 비 (RCu/RBM)가 20 이상인 화학 기계 연마용 수계 분산체를 사용하는 제1 단계 화학 기계 연마 공정과,제1항 내지 제7항 중 어느 한 항에 기재된 화학 기계 연마용 수계 분산체를 사용하는 제2 단계 화학 기계 연마 공정을 구비한 것을 특징으로 하는 화학 기계 연마 방법.
- 제10항 내지 제16항 중 어느 한 항에 기재된 화학 기계 연마용 수계 분산체를 사용하여, 2 단계 화학 기계 연마 공정으로 이루어진 연마 방법에서의 제2 단계 화학 기계 연마 공정을 행하는 것을 특징으로 하는 화학 기계 연마 방법.
- 제10항 내지 제12항 중 어느 한 항에 기재된 화학 기계 연마용 수계 분산체를 사용하여, 3 단계 화학 기계 연마 공정으로 이루어진 연마 방법에서의 제2 단계 화학 기계 연마 공정을 행하는 것을 특징으로 하는 화학 기계 연마 방법.
- 제13항 내지 제16항 중 어느 한 항에 기재된 화학 기계 연마용 수계 분산체를 사용하여, 3 단계 화학 기계 연마 공정으로 이루어진 연마 방법에서의 제3 단계 화학 기계 연마 공정을 행하는 것을 특징으로 하는 화학 기계 연마 방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2000-3340 | 2000-01-12 | ||
JP2000003340A JP3736249B2 (ja) | 2000-01-12 | 2000-01-12 | 半導体装置の製造に用いる化学機械研磨用水系分散体 |
JP2000-312134 | 2000-10-12 | ||
JP2000312134A JP4001219B2 (ja) | 2000-10-12 | 2000-10-12 | 化学機械研磨用水系分散体及び化学機械研磨方法 |
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KR1020060048748A Division KR100746785B1 (ko) | 2000-01-12 | 2006-05-30 | 화학 기계 연마용 수계 분산체 및 화학 기계 연마 방법 |
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KR20010070501A true KR20010070501A (ko) | 2001-07-25 |
KR100719982B1 KR100719982B1 (ko) | 2007-05-18 |
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KR1020010001513A KR100719982B1 (ko) | 2000-01-12 | 2001-01-11 | 화학 기계 연마용 수계 분산체 및 화학 기계 연마 방법 |
KR1020060048748A KR100746785B1 (ko) | 2000-01-12 | 2006-05-30 | 화학 기계 연마용 수계 분산체 및 화학 기계 연마 방법 |
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US (1) | US6579153B2 (ko) |
EP (1) | EP1116762A1 (ko) |
KR (2) | KR100719982B1 (ko) |
TW (1) | TW572980B (ko) |
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KR100746785B1 (ko) | 2007-08-06 |
TW572980B (en) | 2004-01-21 |
US6579153B2 (en) | 2003-06-17 |
US20010008828A1 (en) | 2001-07-19 |
KR100719982B1 (ko) | 2007-05-18 |
EP1116762A1 (en) | 2001-07-18 |
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