KR100626768B1 - 기계화학적 평면화에 사용되는 과산소-함유 슬러리의안정화 - Google Patents
기계화학적 평면화에 사용되는 과산소-함유 슬러리의안정화 Download PDFInfo
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- KR100626768B1 KR100626768B1 KR1019990052013A KR19990052013A KR100626768B1 KR 100626768 B1 KR100626768 B1 KR 100626768B1 KR 1019990052013 A KR1019990052013 A KR 1019990052013A KR 19990052013 A KR19990052013 A KR 19990052013A KR 100626768 B1 KR100626768 B1 KR 100626768B1
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- Prior art keywords
- slurry
- acid
- peroxygen
- stabilizer
- salts
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- 239000002002 slurry Substances 0.000 title claims abstract description 70
- 239000000126 substance Substances 0.000 title claims abstract description 11
- 230000006641 stabilisation Effects 0.000 title description 7
- 238000011105 stabilization Methods 0.000 title description 7
- 239000003381 stabilizer Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 28
- 150000003839 salts Chemical class 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000005498 polishing Methods 0.000 claims abstract description 18
- 239000002253 acid Substances 0.000 claims abstract description 16
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 15
- 239000004065 semiconductor Substances 0.000 claims abstract description 15
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 15
- 239000010937 tungsten Substances 0.000 claims abstract description 15
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920000137 polyphosphoric acid Polymers 0.000 claims abstract description 11
- VZWGHDYJGOMEKT-UHFFFAOYSA-J sodium pyrophosphate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O VZWGHDYJGOMEKT-UHFFFAOYSA-J 0.000 claims abstract description 10
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 9
- 150000003624 transition metals Chemical class 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000005725 8-Hydroxyquinoline Substances 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 239000003989 dielectric material Substances 0.000 claims abstract description 5
- 229960003540 oxyquinoline Drugs 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 10
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical group OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 claims description 9
- 229940005657 pyrophosphoric acid Drugs 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims 1
- 150000007513 acids Chemical class 0.000 abstract description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 44
- 239000004020 conductor Substances 0.000 description 8
- 230000001590 oxidative effect Effects 0.000 description 4
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 4
- 229940048086 sodium pyrophosphate Drugs 0.000 description 4
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 4
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005389 semiconductor device fabrication Methods 0.000 description 2
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- HSOHROOUHRUSJR-UHFFFAOYSA-N n-[2-(5-methoxy-1h-indol-3-yl)ethyl]cyclopropanecarboxamide Chemical compound C12=CC(OC)=CC=C2NC=C1CCNC(=O)C1CC1 HSOHROOUHRUSJR-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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 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
-
- 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]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/042—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
- B24B37/044—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor characterised by the composition of the lapping agent
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Colloid Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (10)
- 반도체 웨이퍼상에 재료의 층을 형성하는 단계, 및연마용 패드 및 과산소를 포함하는 슬러리를 사용하여 재료의 층을 연마하는 단계를 포함하며, 이 때 슬러리는 추가로 슬러리중의 과산소의 분해를 지연시키는 안정화제를 포함하는 것인, 기계화학적 평면화 방법을 사용하여 평면화된 반도체 기판상에 일정 구조를 갖는 전기적 디바이스를 제조하는 방법.
- 제1항에 있어서, 상기 안정화제가 피로인산, 폴리포스폰산, 폴리인산, 에틸렌디아민 테트라아세트산, 피로인산의 염, 폴리포스폰산의 염, 폴리인산의 염, 에틸렌디아민 테트라아세트산의 염 및 임의의 이들 배합물로 이루어지는 군으로 부터 선택된 화학물질인 방법.
- 제1항에 있어서, 상기 안정화제가 피로인산나트륨 10수화물인 방법.
- 제2항에 있어서, 상기 안정화제가 추가로 피로인산나트륨 10수화물을 포함하는 것인 방법.
- 제1항에 있어서, 상기 안정화제가 8-히드록시퀴놀린을 포함하는 것인 방법.
- 제1항에 있어서, 상기 슬러리중의 과산소의 분해가 슬러리중의 포함된 전이 금속에 의해 촉매 반응되는 것인 방법.
- 제1항에 있어서, 상기 슬러리중의 과산소의 분해가 슬러리의 pH에 의해 영향을 받는 것인 방법.
- 제1항에 있어서, 재료의 층이 텅스텐, 구리, 알루미늄, 유전재료 및 임의의 이들 배합물로 이루어진 군으로 부터 선택된 재료를 포함하는 것인 방법.
- 과산소-함유 물질 및 안정화제와 슬러리를 혼합하여 슬러리 혼합물을 생성하는 단계,일정 기간 동안 상기 슬러리 혼합물을 저장하는 단계,상기 슬러리 혼합물과 기계화학적 연마 기구를 사용하여 반도체 기판상에 위치된 층을 평면화하는 단계를 포함하며, 이 때 안정화제는 피로인산나트륨 10수화물, 피로인산, 폴리포스폰산, 폴리인산, 에틸렌디아민 테트라아세트산, 피로인산의 염, 폴리포스폰산의 염, 폴리인산의 염, 에틸렌디아민 테트라아세트산의 염, 8-히드록시퀴놀린 및 임의의 이들 배합물로 이루어진 군으로 부터 선택된 화학물질을 포함하는 것인, 반도체 기판상에 위치된 층의 기계화학적인 연마 방법.
- 제9항에 있어서, 상기 안정화제가 추가로 피로인산나트륨 10수화물을 포함하 는 것인 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10968398P | 1998-11-24 | 1998-11-24 | |
US60/109,683 | 1998-11-24 |
Publications (2)
Publication Number | Publication Date |
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KR20000035614A KR20000035614A (ko) | 2000-06-26 |
KR100626768B1 true KR100626768B1 (ko) | 2006-09-25 |
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Application Number | Title | Priority Date | Filing Date |
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KR1019990052013A KR100626768B1 (ko) | 1998-11-24 | 1999-11-23 | 기계화학적 평면화에 사용되는 과산소-함유 슬러리의안정화 |
Country Status (11)
Country | Link |
---|---|
US (2) | US6448182B1 (ko) |
EP (1) | EP1004648B1 (ko) |
JP (1) | JP2000164541A (ko) |
KR (1) | KR100626768B1 (ko) |
CN (1) | CN1184272C (ko) |
AT (1) | ATE484561T1 (ko) |
AU (1) | AU2032200A (ko) |
DE (1) | DE69942852D1 (ko) |
SG (1) | SG73683A1 (ko) |
TW (1) | TW593644B (ko) |
WO (1) | WO2000032713A1 (ko) |
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JP4435391B2 (ja) * | 2000-08-04 | 2010-03-17 | 扶桑化学工業株式会社 | コロイド状シリカスラリー |
KR100396883B1 (ko) * | 2000-11-23 | 2003-09-02 | 삼성전자주식회사 | 화학기계적 연마용 슬러리 및 이를 이용한 구리 금속배선제조방법 |
KR20020047418A (ko) * | 2000-12-13 | 2002-06-22 | 안복현 | 반도체 소자의 금속층 연마용 슬러리 |
KR20020047417A (ko) * | 2000-12-13 | 2002-06-22 | 안복현 | 반도체 소자의 금속층 연마용 슬러리 |
KR100557600B1 (ko) * | 2001-06-29 | 2006-03-10 | 주식회사 하이닉스반도체 | 나이트라이드 cmp용 슬러리 |
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KR100498816B1 (ko) * | 2002-10-18 | 2005-07-01 | 주식회사 동진쎄미켐 | 분산 안정성이 우수한 텅스텐 금속막 연마용 화학-기계적연마 슬러리 조성물 |
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ATE312895T1 (de) * | 1996-07-25 | 2005-12-15 | Dupont Air Prod Nanomaterials | Zusammensetzung und verfahren zum chemisch- mechanischen polieren |
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 |
US5783489A (en) * | 1996-09-24 | 1998-07-21 | Cabot Corporation | Multi-oxidizer slurry for chemical mechanical polishing |
US6039891A (en) * | 1996-09-24 | 2000-03-21 | Cabot Corporation | Multi-oxidizer precursor for chemical mechanical polishing |
US6068787A (en) * | 1996-11-26 | 2000-05-30 | Cabot Corporation | Composition and slurry useful for metal CMP |
US5958288A (en) * | 1996-11-26 | 1999-09-28 | Cabot Corporation | Composition and slurry useful for metal CMP |
SG54606A1 (en) * | 1996-12-05 | 1998-11-16 | Fujimi Inc | Polishing composition |
US6309560B1 (en) * | 1996-12-09 | 2001-10-30 | Cabot Microelectronics Corporation | Chemical mechanical polishing slurry useful for copper substrates |
US6126853A (en) * | 1996-12-09 | 2000-10-03 | Cabot Microelectronics Corporation | Chemical mechanical polishing slurry useful for copper substrates |
US5922091A (en) * | 1997-05-16 | 1999-07-13 | National Science Council Of Republic Of China | Chemical mechanical polishing slurry for metallic thin film |
US6001269A (en) * | 1997-05-20 | 1999-12-14 | Rodel, Inc. | Method for polishing a composite comprising an insulator, a metal, and titanium |
US6083419A (en) * | 1997-07-28 | 2000-07-04 | Cabot Corporation | Polishing composition including an inhibitor of tungsten etching |
US6063306A (en) * | 1998-06-26 | 2000-05-16 | Cabot Corporation | Chemical mechanical polishing slurry useful for copper/tantalum substrate |
US6136714A (en) * | 1998-12-17 | 2000-10-24 | Siemens Aktiengesellschaft | Methods for enhancing the metal removal rate during the chemical-mechanical polishing process of a semiconductor |
-
1999
- 1999-11-12 SG SG1999005629A patent/SG73683A1/en unknown
- 1999-11-22 US US09/447,172 patent/US6448182B1/en not_active Expired - Lifetime
- 1999-11-23 KR KR1019990052013A patent/KR100626768B1/ko active IP Right Grant
- 1999-11-24 WO PCT/US1999/028087 patent/WO2000032713A1/en active Application Filing
- 1999-11-24 CN CNB991258363A patent/CN1184272C/zh not_active Expired - Fee Related
- 1999-11-24 DE DE69942852T patent/DE69942852D1/de not_active Expired - Lifetime
- 1999-11-24 JP JP11332999A patent/JP2000164541A/ja active Pending
- 1999-11-24 EP EP99203930A patent/EP1004648B1/en not_active Expired - Lifetime
- 1999-11-24 AU AU20322/00A patent/AU2032200A/en not_active Abandoned
- 1999-11-24 US US09/444,715 patent/US6530967B1/en not_active Expired - Fee Related
- 1999-11-24 AT AT99203930T patent/ATE484561T1/de not_active IP Right Cessation
- 1999-12-02 TW TW088120488A patent/TW593644B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1004648A1 (en) | 2000-05-31 |
US6448182B1 (en) | 2002-09-10 |
US6530967B1 (en) | 2003-03-11 |
EP1004648B1 (en) | 2010-10-13 |
KR20000035614A (ko) | 2000-06-26 |
TW593644B (en) | 2004-06-21 |
WO2000032713A1 (en) | 2000-06-08 |
CN1255521A (zh) | 2000-06-07 |
CN1184272C (zh) | 2005-01-12 |
ATE484561T1 (de) | 2010-10-15 |
AU2032200A (en) | 2000-06-19 |
SG73683A1 (en) | 2000-06-20 |
JP2000164541A (ja) | 2000-06-16 |
DE69942852D1 (de) | 2010-11-25 |
WO2000032713A9 (en) | 2002-08-22 |
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