KR20010089878A - 화학 기계 연마용 수계 분산체 - Google Patents
화학 기계 연마용 수계 분산체 Download PDFInfo
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- KR20010089878A KR20010089878A KR1020010015740A KR20010015740A KR20010089878A KR 20010089878 A KR20010089878 A KR 20010089878A KR 1020010015740 A KR1020010015740 A KR 1020010015740A KR 20010015740 A KR20010015740 A KR 20010015740A KR 20010089878 A KR20010089878 A KR 20010089878A
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- KR
- South Korea
- Prior art keywords
- aqueous dispersion
- chemical mechanical
- mechanical polishing
- organic
- scratch
- Prior art date
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- 238000005498 polishing Methods 0.000 title claims abstract description 75
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- 125000003277 amino group Chemical group 0.000 description 3
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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
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
-
- 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
-
- 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
- H01L21/3105—After-treatment
- H01L21/31051—Planarisation of the insulating layers
- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Weting (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
실시예 | ||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
지립 | 종류 | 복합입자 | 열분해법 실리카 | 복합입자 | ||||
배합량 (부) | 5 | 5 | 5 | |||||
스크래치 방지제 | 종류 | 에말겐 120 | HMT | 에말겐 120 + HMT | 에말겐 120 | HMT | 에말겐 120 + HMT | |
배합량 (부) | 0.005 | 0.2 | 0.005/0.2 | 0.005 | 0.2 | 0.005/0.2 | ||
과산화수소 | - | 0.1 | - | |||||
pH | 9 | |||||||
pH 조절제 | KOH | |||||||
구리 연마 속도 (Å/분) | 270 | 230 | 255 | 125 | 130 | 135 | 15 | |
LKD | 연마 속도 (Å/분) | <1 | 30 | 35 | 30 | 80 | 70 | 40 |
스크래치의 수 | 1 | 0 | 2 | 3 | 0 |
실시예 | |||
8 | 9 | ||
지립 | 종류 | 콜로이드성 실리카 | 복합입자 |
배합량 (부) | 5 | 5 | |
스크래치 방지제 | 종류 | 에말겐 120 + HMT | HMT |
배합량 (부) | 0.01/0.1 | 0.1 | |
과산화수소 | - | - | |
pH | 7 | 7 | |
pH 조절제 | KOH | KOH | |
구리 연마 속도 (Å/분) | 120 | 115 | |
LKD | 연마 속도 (Å/분) | 25 | 20 |
스크래치의 수 | 0 | 0 |
Claims (25)
- 나노인덴테이션법으로 측정한 탄성률이 20 GPa 이하인 층간 절연막을 화학 기계 연마한 경우, 최대 길이가 1 ㎛ 이상인 스크래치가 피연마면의 면적 O.O1 ㎟ 당 평균 5개 이하인 것을 특징으로 하는 화학 기계 연마용 수계 분산체.
- 제1항에 있어서, 상기 층간 절연막이 실세스퀴옥산, 불소 첨가 SiO2, 폴리이미드계 수지 또는 벤조시클로부텐으로 된 것인 화학 기계 연마용 수계 분산체.
- 제2항에 있어서, 최대 길이가 1 ㎛ 이상인 상기 스크래치가 피연마면의 면적 0.01 ㎟ 당 평균 3개 이하가 되도록 하는 화학 기계 연마용 수계 분산체.
- 스크래치 방지제와 지립을 함유하는 것을 특징으로 하는 화학 기계 연마용 수계 분산체.
- 제4항에 있어서, 상기 스크래치 방지제가 (1) 비페놀, (2) 비피리딜, (3) 2-비닐피리딘 및 4-비닐피리딘, (4) 살리실알독심, (5) o-페닐렌디아민 및 m-페닐렌디아민, (6) 카테콜, (7) o-아미노페놀, (8) 티오우레아, (9) N-알킬기 함유 (메트)아크릴아미드, (10) N-아미노알킬기 함유 (메트)아크릴아미드, (11) 헤테로펜타시클이 있으며, 골격을 형성하는 방향족 고리가 없는 헤테로시클릭 화합물, (12) 헤테로펜타시클이 있으며, 골격을 형성하는 방향족 고리가 있는 헤테로시클릭 화합물, (13) 프탈리진, 및 (14) 3개의 질소 원자를 포함하는 헤테로헥사시클이 있는 화합물, 및 (1) 내지 (14)의 유도체 중 적어도 1 종인 화학 기계 연마용 수계 분산체.
- 제4항에 있어서, 상기 스크래치 방지제가 계면 활성제인 화학 기계 연마용 수계 분산체.
- 제4항에 있어서, 상기 스크래치 방지제가 7-히드록시-5-메틸-1,3,4-트리아자인돌리진인 화학 기계 연마용 수계 분산체.
- 제4항에 있어서, 상기 지립이 무기 입자, 유기 입자 또는 유기/무기 복합 입자인 화학 기계 연마용 수계 분산체.
- 제8항에 있어서, 상기 유기/무기 복합 입자가 폴리스티렌 또는 폴리메틸메타크릴레이트 등의 중합체 입자의 존재 하에 알콕시실란, 알루미늄알콕시드, 또는 티타늄알콕시드 등을 중축합시켜 형성된 것인 화학 기계 연마용 수계 분산체.
- 제8항에 있어서, 상기 유기/무기 복합 입자는 부호가 다른 제타 전위를 갖는유기 입자와 무기 입자가 정전기력에 의해 결합되어 이루어진 것인 화학 기계 연마용 수계 분산체.
- 제8항에 있어서, 산화제도 포함하는 화학 기계 연마용 수계 분산체.
- 제11항에 있어서, 상기 산화제는 과산화수소인 화학 기계 연마용 수계 분산체.
- 제11항에 있어서, 유기산도 포함하는 화학 기계 연마용 수계 분산체.
- 스크래치 방지제와 지립을 함유하는 것을 특징으로 하는, 층간 절연막용 화학기계 연마용 수계 분산체.
- 제14항에 있어서, 상기 스크래치 방지제가 (1) 비페놀, (2) 비피리딜, (3) 2-비닐피리딘 및 4-비닐피리딘, (4) 살리실알독심, (5) o-페닐렌디아민 및 m-페닐렌디아민, (6) 카테콜, (7) o-아미노페놀, (8) 티오우레아, (9) N-알킬기 함유 (메트)아크릴아미드, (10) N-아미노알킬기 함유 (메트)아크릴아미드, (11) 헤테로펜타시클이 있으며, 골격을 형성하는 방향족 고리가 없는 헤테로시클릭 화합물, (12) 헤테로펜타시클이 있으며, 골격을 형성하는 방향족 고리가 있는 헤테로시클릭 화합물, (13) 프탈라진 및 (14) 3개의 질소 원자를 포함하는 헤테로헥사시클이 있는 화합물, 및 (1) 내지 (14)의 유도체 중 적어도 1종인 층간 절연막용 화학 기계 연마용 수계 분산체.
- 제14항에 있어서, 상기 스크래치 방지제가 계면 활성제인 층간 절연막용 화학 기계 연마용 수계 분산체.
- 제16항에 있어서, 상기 스크래치 방지제가, 7-히드록시-5-메틸-1,3,4-트리아자인돌리진인 층간 절연막용 화학 기계 연마용 수계 분산체.
- 제14항에 있어서, 상기 지립이 무기 입자, 유기 입자 또는 유기/무기 복합 입자인 층간 절연막용 화학 기계 연마용 수계 분산체.
- 제18항에 있어서, 상기 유기/무기 복합 입자가 폴리스티렌 또는 폴리메틸 메타크릴레이트 등의 중합체 입자의 존재 하에 알콕시실란, 알루미늄알콕시드 또는 티타늄알콕시드 등을 중축합시켜 형성된 것인 층간 절연막용 화학 기계 연마용 수계 분산체.
- 제18항에 있어서, 상기 유기/무기 복합 입자는 부호가 다른 제타 전위를 갖는 유기 입자와 무기 입자가 정전기력에 의해 결합되어 이루어진 것인 층간 절연막용 화학 기계 연마용 수계 분산체.
- 제18항에 있어서, 산화제도 포함하는 층간 절연막용 화학 기계 연마용 수계 분산체.
- 제21항에 있어서, 상기 산화제는 과산화수소인 층간 절연막용 화학 기계 연마용 수계 분산체.
- 제21항에 있어서, 유기산도 포함하는 층간 절연막용 화학 기계 연마용 수계 분산체.
- 제21항에 있어서, 나노인덴테이션법으로 측정한 탄성율이 20 GPa 이하인 층간 절연막을 화학 기계 연마한 경우, 최대 길이가 1 ㎛ 이상인 스크래치가 피연마면의 면적 0.01 ㎟ 당 평균 5개 이하가 되도록 하는 층간 절연막용 화학 기계 연마용 수계 분산체.
- 제24항에 있어서, 상기 층간 절연막이 실세스퀴옥산, 불소 첨가 SiO2, 폴리이미드계 수지 또는 벤조시클로부텐으로 된 것인 층간 절연막용 화학 기계 연마용 수계 분산체.
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-
2000
- 2000-03-27 JP JP2000087015A patent/JP2001269859A/ja active Pending
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2001
- 2001-03-26 US US09/816,397 patent/US20010049912A1/en not_active Abandoned
- 2001-03-26 EP EP01107381A patent/EP1138733B1/en not_active Expired - Lifetime
- 2001-03-26 KR KR1020010015740A patent/KR100777901B1/ko active IP Right Grant
- 2001-03-26 DE DE60122413T patent/DE60122413T2/de not_active Expired - Lifetime
- 2001-03-27 TW TW090107425A patent/TWI270569B/zh not_active IP Right Cessation
-
2003
- 2003-10-22 US US10/689,680 patent/US7087530B2/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100801402B1 (ko) * | 2002-01-25 | 2008-02-05 | 제이에스알 가부시끼가이샤 | 반도체 기판의 화학 기계 연마 방법 및 화학 기계 연마용수계 분산체 |
KR100539983B1 (ko) * | 2003-05-15 | 2006-01-10 | 학교법인 한양학원 | Cmp용 세리아 연마제 및 그 제조 방법 |
US7470295B2 (en) | 2004-03-12 | 2008-12-30 | K.C. Tech Co., Ltd. | Polishing slurry, method of producing same, and method of polishing substrate |
KR100566334B1 (ko) * | 2004-08-11 | 2006-03-31 | 테크노세미켐 주식회사 | 구리의 화학적 기계적 연마슬러리 조성물 |
US8062547B2 (en) | 2005-06-03 | 2011-11-22 | K.C. Tech Co., Ltd. | CMP slurry, preparation method thereof and method of polishing substrate using the same |
Also Published As
Publication number | Publication date |
---|---|
KR100777901B1 (ko) | 2007-11-27 |
US20010049912A1 (en) | 2001-12-13 |
EP1138733A3 (en) | 2001-10-24 |
DE60122413D1 (de) | 2006-10-05 |
EP1138733A2 (en) | 2001-10-04 |
EP1138733B1 (en) | 2006-08-23 |
JP2001269859A (ja) | 2001-10-02 |
US7087530B2 (en) | 2006-08-08 |
US20040144755A1 (en) | 2004-07-29 |
TWI270569B (en) | 2007-01-11 |
DE60122413T2 (de) | 2007-03-08 |
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