KR20020021408A - 화학기계연마용 연마제 및 기판의 연마법 - Google Patents
화학기계연마용 연마제 및 기판의 연마법 Download PDFInfo
- Publication number
- KR20020021408A KR20020021408A KR1020027001957A KR20027001957A KR20020021408A KR 20020021408 A KR20020021408 A KR 20020021408A KR 1020027001957 A KR1020027001957 A KR 1020027001957A KR 20027001957 A KR20027001957 A KR 20027001957A KR 20020021408 A KR20020021408 A KR 20020021408A
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- KR
- South Korea
- Prior art keywords
- abrasive
- chemical mechanical
- acid
- mechanical polishing
- polishing
- Prior art date
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Classifications
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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
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
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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
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1463—Aqueous liquid suspensions
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- 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
- C23F3/06—Heavy metals with acidic solutions
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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]
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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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/7684—Smoothing; Planarisation
Abstract
Description
Claims (22)
- 도체의 산화제와, 금속표면에 대한 보호막형성제와, 산과 물을 포함하고,pH가 3 이하이며,상기 산화제의 농도가 0.01∼3중량%인 화학기계연마용 연마제,
- 제 1항에 있어서, 지립을 더 포함하는 것을 특징으로 하는 화학기계연마용 연마제.
- 제 2항에 있어서, 상기 지립의 평균입경이 50nm 이하이고,상기 지립의 입경분포의 표준편차치가 5nm보다 큰 것을 특징으로 하는 화학기계연마용 연마제.
- 지립과, 도체의 산화제와, 금속표면에 대한 보호막형성제와, 산과, 물을 포함하고,상기 지립의 평균입경이 50nm 이하이며,상기 지립의 입경분포의 표준편차치가 5nm보다 큰 화학기계연마용 연마제.
- 제 4항에 있어서, 상기 화학기계연마용 연마제의 pH가 3 이하이고,상기 도체의 산화제의 농도가 0.01∼3중량%인 것을 특징으로 하는 화학기계연마용 연마제.
- 제 2항 내지 제 5항중 어느 한 항에 있어서, 상기 지립이 실리카, 알루미나, 세리어, 티타니아, 지르코니아 및 게르마니아로부터 선택된 적어도 1종인 것을 특징으로 하는 화학기계연마용 연마제.
- 제 6항에 있어서, 상기 지립이 콜로이드 실리카 또는 콜로이드 알루미나인 것을 특징으로 하는 화학기계연마용 연마제.
- 제 2항 내지 제 7항중 어느 한 항에 있어서, 상기 지립의 배합량이 0.1∼5중량%인 것을 특징으로 하는 화학기계연마용 연마제.
- 제 1항 내지 제 8항중 어느 한 항에 있어서, 수용성 고분자를 더 함유하는 것을 특징으로 하는 화학기계연마용 연마제.
- 제 9항에 있어서, 상기 수용성 고분자가 폴리아크릴산, 폴리아크릴산염, 폴리메타크릴산, 폴리메타크릴산염, 폴리아미드산, 폴리아미드산염, 폴리아크릴아미드, 폴리비닐알코올 및 폴리비닐피롤리돈으로 이루어진 군으로부터 선택된 적어도 1종인 것을 특징으로 하는 화학기계연마용 연마제.
- 제 9항 또는 제 10항에 있어서, 상기 도체의 산화제의 농도가 0.01∼1.5중량%인 것을 특징으로 하는 화학기계연마용 연마제.
- 제 1항 내지 제 11항중 어느 한 항에 있어서, 상기 산이 유기산인 것을 특징으로 하는 화학기계연마용 연마제.
- 제 12항에 있어서, 상기 산이 말론산, 말산, 주석산, 글리콜산 및 시트르산으로부터 선택된 적어도 1종인 것을 특징으로 하는 화학기계연마용 연마제.
- 제 1항 내지 제 13항중 어느 한 항에 있어서, 상기 보호막형성제가 벤조트리아졸 또는 그 유도체로부터 선택된 적어도 1종인 것을 특징으로 하는 화학기계연마용 연마제.
- 제 1항 내지 제 14항중 어느 한 항에 있어서, 상기 도체의 산화제가 과산화수소, 질산, 과요오드산칼륨, 차아염소산 및 오존수로부터 선택된 적어도 1종인 것을 특징으로 하는 화학기계연마용 연마제.
- 제 1항 내지 제 15항중 어느 한 항에 있어서, 상기 도체가 구리, 구리합금, 구리산화물 및 구리합금산화물중 적어도 어느 하나를 포함하는 것을 특징으로 하는 화학기계연마용 연마제.
- 제 1항 내지 제 15항중 어느 한 항에 있어서, 상기 도체가 구리원자의 확산을 방지하기 위한 배리어층인 것을 특징으로 하는 화학기계연마용 연마제.
- 제 17항에 있어서, 상기 배리어층이 탄탈, 탄탈합금, 탄탈화합물을 포함하는 것을 특징으로 하는 화학기계연마용 연마제.
- 탄탈과 구리 또는 구리합금과의 연마속도비(Ta/Cu)가 1보다 크고,질화탄탈과 구리 또는 구리합금과의 연마속도비(TaN/Cu)가 1보다 크며,탄탈과 이산화실리콘과의 연마속도비(Ta/SiO2)가 10보다 크고,질화탄탈과 이산화실리콘과의 연마속도비(TaN/SiO2)가 10보다 큰 화학기계연마용 연마제.
- 제 1항 내지 제 18항중 어느 한 항에 있어서,탄탈과 구리 또는 구리합금과의 연마속도비(Ta/Cu)가 1보다 크고,질화탄탈과 구리 또는 구리합금과의 연마속도비(TaN/Cu)가 1보다 크며,탄탈과 이산화실리콘과의 연마속도비(Ta/SiO2)가 10보다 크고,질화탄탈과 이산화실리콘과의 연마속도비(TaN/SiO2)가 10보다 큰 것을 특징으로 하는 화학기계연마용 연마제.
- 제 1항 내지 제 19항중 어느 한 항에 따른 화학기계연마용 연마제를 사용하여 탄탈, 탄탈합금, 탄탈화합물을 포함하는 배리어층을 연마하는 기판의 연마방법.
- 제 1항 내지 제 19항중 어느 한 항에 따른 화학기계연마용 연마제를 사용하여, 배선층 및 배리어층을 포함하는 면을 연마하는 기판의 연마방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23093099 | 1999-08-17 | ||
JPJP-P-1999-00230930 | 1999-08-17 | ||
JPJP-P-1999-00308665 | 1999-10-29 | ||
JP30866599 | 1999-10-29 |
Publications (2)
Publication Number | Publication Date |
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KR20020021408A true KR20020021408A (ko) | 2002-03-20 |
KR100510977B1 KR100510977B1 (ko) | 2005-08-31 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2002-7001957A KR100510977B1 (ko) | 1999-08-17 | 2000-08-17 | 화학기계연마용 연마제 및 기판의 연마법 |
Country Status (8)
Country | Link |
---|---|
US (2) | US7744666B2 (ko) |
EP (1) | EP1211717B1 (ko) |
JP (3) | JP3954383B2 (ko) |
KR (1) | KR100510977B1 (ko) |
CN (1) | CN101792655B (ko) |
AU (1) | AU6594200A (ko) |
TW (1) | TW501197B (ko) |
WO (1) | WO2001013417A1 (ko) |
Cited By (4)
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KR100816731B1 (ko) * | 2006-09-28 | 2008-03-25 | 주식회사 하이닉스반도체 | 반도체 소자 제조방법 |
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KR101279964B1 (ko) * | 2008-12-29 | 2013-07-05 | 제일모직주식회사 | 구리 배선 연마용 cmp 슬러리 조성물 및 이를 이용한 연마 방법 |
KR20170057505A (ko) * | 2015-11-16 | 2017-05-25 | 삼성디스플레이 주식회사 | 표시 장치 및 그 제조 방법 |
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- 2000-08-17 AU AU65942/00A patent/AU6594200A/en not_active Abandoned
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- 2000-08-17 JP JP2001517419A patent/JP3954383B2/ja not_active Expired - Lifetime
- 2000-08-17 EP EP00953466.0A patent/EP1211717B1/en not_active Expired - Lifetime
- 2000-08-17 KR KR10-2002-7001957A patent/KR100510977B1/ko active IP Right Grant
- 2000-08-17 WO PCT/JP2000/005508 patent/WO2001013417A1/ja active IP Right Grant
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- 2010-11-15 JP JP2010255262A patent/JP5472049B2/ja not_active Expired - Lifetime
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KR100816731B1 (ko) * | 2006-09-28 | 2008-03-25 | 주식회사 하이닉스반도체 | 반도체 소자 제조방법 |
KR101279964B1 (ko) * | 2008-12-29 | 2013-07-05 | 제일모직주식회사 | 구리 배선 연마용 cmp 슬러리 조성물 및 이를 이용한 연마 방법 |
KR20170057505A (ko) * | 2015-11-16 | 2017-05-25 | 삼성디스플레이 주식회사 | 표시 장치 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
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TW501197B (en) | 2002-09-01 |
AU6594200A (en) | 2001-03-13 |
KR100510977B1 (ko) | 2005-08-31 |
US20060037251A1 (en) | 2006-02-23 |
JP5472049B2 (ja) | 2014-04-16 |
JP3954383B2 (ja) | 2007-08-08 |
JP2012182473A (ja) | 2012-09-20 |
EP1211717B1 (en) | 2016-04-13 |
US7319072B2 (en) | 2008-01-15 |
CN101792655A (zh) | 2010-08-04 |
JP2011082537A (ja) | 2011-04-21 |
WO2001013417A1 (en) | 2001-02-22 |
EP1211717A1 (en) | 2002-06-05 |
EP1211717A4 (en) | 2007-03-28 |
US20060124597A1 (en) | 2006-06-15 |
US7744666B2 (en) | 2010-06-29 |
CN101792655B (zh) | 2013-05-01 |
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