KR20020040638A - 화학적 기계적 연마용 슬러리 - Google Patents
화학적 기계적 연마용 슬러리 Download PDFInfo
- Publication number
- KR20020040638A KR20020040638A KR1020010073322A KR20010073322A KR20020040638A KR 20020040638 A KR20020040638 A KR 20020040638A KR 1020010073322 A KR1020010073322 A KR 1020010073322A KR 20010073322 A KR20010073322 A KR 20010073322A KR 20020040638 A KR20020040638 A KR 20020040638A
- Authority
- KR
- South Korea
- Prior art keywords
- polishing
- slurry
- copper
- metal film
- film
- Prior art date
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- 238000005498 polishing Methods 0.000 title claims abstract description 195
- 239000002002 slurry Substances 0.000 title claims abstract description 94
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- 239000010949 copper Substances 0.000 claims abstract description 85
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910052802 copper Inorganic materials 0.000 claims abstract description 80
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- 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]
-
- 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
- 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
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- Mechanical Engineering (AREA)
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Abstract
Description
연마 지립(질량%) | 유기산 (질량%) | 아민-기재 화합물(질량%) | Ta 연마 속도(nm/분) | |
실시예 1 | 알루미나(8) | 없음 | n-아밀아민(0.1) | 7.56 |
실시예 2 | 알루미나(8) | 없음 | n-아밀아민(0.25) | 3.45 |
실시예 3 | 알루미나(8) | 없음 | n-아밀아민(0.5) | 1.68 |
실시예 4 | 알루미나(8) | 없음 | n-아밀아민(1.0) | 1.13 |
실시예 5 | 알루미나(8) | 없음 | n-아밀아민(2.0) | 0.64 |
실시예 6 | 알루미나(8) | 없음 | n-아밀아민(5.0) | 0.27 |
실시예 7 | 알루미나(8) | 없음 | n-부틸아민(1.0) | 1.54 |
실시예 8 | 알루미나(8) | 없음 | n-헥실아민(1.0) | 1.08 |
실시예 9 | 알루미나(8) | 없음 | 이소프로폭시-n-프로필아민(1.0) | 3.75 |
실시예 10 | 알루미나(8) | 없음 | n-부톡시-n-프로필아민(1.0) | 2.87 |
실시예 11 | 알루미나(8) | 글리신(1.0) | n-아밀아민(1.0) | 0.98 |
실시예 12 | 알루미나(8) | 시트르산(1.0) | n-아밀아민(1.0) | 1.49 |
실시예 13 | 알루미나(8) | 말산(1.0) | n-아밀아민(1.0) | 1.35 |
실시예 14 | 실리카(8) | 시트르산(1.0) | n-아밀아민(1.0) | 0.44 |
비교예 1 | 알루미나(8) | 없음 | 없음 | 17.8 |
비교예 2 | 알루미나(8) | 없음 | n-프로필아민(1.0) | 3.09 |
비교예 3 | 실리카(8) | 시트르산(1.0) | 없음 | 84.6 |
연마 지립(질량%) | 유기산(질량%) | 알킬아민(질량%) | Ta 연마속도(nm/분) | Cu 연마속도(nm/분) | Cu연마 속도/Ta 연마속도 | |
실시예 15 | 알루미나(8) | 글리신(1.0) | n-아밀아민(0.5) | 1.74 | 617 | 354 |
비교예 4 | 알루미나(8) | 글리신(1.0) | 없음 | 18.2 | 1254 | 68.9 |
Claims (7)
- 연마 지립(砥立), 산화제 및 고급-모노-1차 아민을 함유하는, 탄탈-기재 금속막 상에 형성된 구리-기재 금속막을 연마하기 위한 화학적 기계적 연마용 슬러리.
- 제 1 항에 있어서, 상기 고급-모노-1차 아민은 하기 화학식 1 의 알킬아민 인 것을 특징으로 하는 화학적 기계적 연마용 슬러리:[화학식 1]C1H2l+1-NH2[식 중, l 은 4 이상 10 이하의 자연수임].
- 제 1 항에 있어서, 상기 고급-모노-1차 아민은 하기 화학식 2 의 알콕시알킬아민인 것을 특징으로 하는 화학적 기계적 연마용 슬러리:[화학식 2]CmH2m+1-O-CnH2n-NH2[식 중, m 및 n 은 독립적으로 6 이하의 자연수이고, m 및 n의 합은 4 이상 10 이하의 자연수임].
- 제 1 항에 있어서, 상기 고급-모노-1차 아민으로서, 부틸아민, 펜틸아민, 헥실아민, 프로폭시에틸아민, 프로폭시프로필아민 및 부톡시프로필아민으로 구성되는 군으로부터 선택된 하나 이상을 함유하는 것을 특징으로 하는 화학적 기계적 연마용 슬러리.
- 제 1 항에 있어서, 상기 고급-모노-1차 아민의 함량이 화학적 기계적 연마용 슬러리의 총량에 대해 0.01 질량% 이상 5 질량% 이하인 것을 특징으로 하는 화학적 기계적 연마용 슬러리.
- 제 1 항에 있어서, 추가적으로 유기산을 화학적 기계적 연마용 슬러리의 총량에 대해 0.01 질량% 이상 5 질량% 이하로 함유하는 것을 특징으로 하는 화학적 기계적 연마용 슬러리.
- 제 1 항에 있어서, pH의 값이 3 이상 9 이하인 것을 특징으로 하는 화학적 기계적 연마용 슬러리.
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JPJP-P-2000-00357797 | 2000-11-24 | ||
JP2000357797A JP3816743B2 (ja) | 2000-11-24 | 2000-11-24 | 化学的機械的研磨用スラリー |
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JP (1) | JP3816743B2 (ko) |
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TW (1) | TW528795B (ko) |
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US20040134873A1 (en) * | 1996-07-25 | 2004-07-15 | Li Yao | Abrasive-free chemical mechanical polishing composition and polishing process containing same |
US7004819B2 (en) * | 2002-01-18 | 2006-02-28 | Cabot Microelectronics Corporation | CMP systems and methods utilizing amine-containing polymers |
US20050282387A1 (en) * | 2002-06-07 | 2005-12-22 | Takashi Sato | Metal polish composition, polishing method using the composition and method for producing wafer using the polishing method |
JP2004193495A (ja) * | 2002-12-13 | 2004-07-08 | Toshiba Corp | 化学的機械的研磨用スラリーおよびこれを用いた半導体装置の製造方法 |
JP4152218B2 (ja) * | 2003-02-25 | 2008-09-17 | Necエレクトロニクス株式会社 | 化学的機械的研磨用スラリー |
US7300480B2 (en) * | 2003-09-25 | 2007-11-27 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | High-rate barrier polishing composition |
US7504044B2 (en) * | 2004-11-05 | 2009-03-17 | Cabot Microelectronics Corporation | Polishing composition and method for high silicon nitride to silicon oxide removal rate ratios |
US7531105B2 (en) * | 2004-11-05 | 2009-05-12 | Cabot Microelectronics Corporation | Polishing composition and method for high silicon nitride to silicon oxide removal rate ratios |
EP1899111A2 (en) * | 2005-06-06 | 2008-03-19 | Advanced Technology Materials, Inc. | Integrated chemical mechanical polishing composition and process for single platen processing |
JP4798134B2 (ja) * | 2005-10-12 | 2011-10-19 | 日立化成工業株式会社 | Cmp用研磨液及び研磨方法 |
JP2007266077A (ja) * | 2006-03-27 | 2007-10-11 | Fujifilm Corp | 金属用研磨液 |
US8025811B2 (en) * | 2006-03-29 | 2011-09-27 | Intel Corporation | Composition for etching a metal hard mask material in semiconductor processing |
US8425797B2 (en) * | 2008-03-21 | 2013-04-23 | Cabot Microelectronics Corporation | Compositions for polishing aluminum/copper and titanium in damascene structures |
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JP3397501B2 (ja) | 1994-07-12 | 2003-04-14 | 株式会社東芝 | 研磨剤および研磨方法 |
US5858813A (en) | 1996-05-10 | 1999-01-12 | Cabot Corporation | Chemical mechanical polishing slurry for metal layers and films |
WO1998004646A1 (en) | 1996-07-25 | 1998-02-05 | Ekc Technology, Inc. | Chemical mechanical polishing composition and process |
JP3507628B2 (ja) | 1996-08-06 | 2004-03-15 | 昭和電工株式会社 | 化学的機械研磨用研磨組成物 |
JPH10163141A (ja) | 1996-12-02 | 1998-06-19 | Fujimi Inkooporeetetsudo:Kk | 銅の研磨用組成物 |
US6309560B1 (en) | 1996-12-09 | 2001-10-30 | Cabot Microelectronics Corporation | Chemical mechanical polishing slurry useful for copper substrates |
US5897375A (en) | 1997-10-20 | 1999-04-27 | Motorola, Inc. | Chemical mechanical polishing (CMP) slurry for copper and method of use in integrated circuit manufacture |
JPH11204474A (ja) | 1998-01-09 | 1999-07-30 | Sony Corp | フッ素を含む膜の研磨方法 |
JP2002511650A (ja) * | 1998-04-10 | 2002-04-16 | フェロー コーポレイション | 化学的−機械的金属表面研磨用スラリ |
JP4052607B2 (ja) | 1998-04-20 | 2008-02-27 | 株式会社東芝 | 研磨剤及び半導体基板のポリッシング方法 |
US6217416B1 (en) * | 1998-06-26 | 2001-04-17 | Cabot Microelectronics Corporation | Chemical mechanical polishing slurry useful for copper/tantalum substrates |
US6063306A (en) * | 1998-06-26 | 2000-05-16 | Cabot Corporation | Chemical mechanical polishing slurry useful for copper/tantalum substrate |
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- 2001-11-21 TW TW090128974A patent/TW528795B/zh not_active IP Right Cessation
- 2001-11-23 KR KR20010073322A patent/KR100450986B1/ko active IP Right Grant
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US20020104268A1 (en) | 2002-08-08 |
US6478834B2 (en) | 2002-11-12 |
JP2002161266A (ja) | 2002-06-04 |
KR100450986B1 (ko) | 2004-10-02 |
JP3816743B2 (ja) | 2006-08-30 |
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