KR0170351B1 - 세정 용액과 그 제조 방법 및 그 세정 용액을 이용한 세정방법 - Google Patents
세정 용액과 그 제조 방법 및 그 세정 용액을 이용한 세정방법 Download PDFInfo
- Publication number
- KR0170351B1 KR0170351B1 KR1019960046324A KR19960046324A KR0170351B1 KR 0170351 B1 KR0170351 B1 KR 0170351B1 KR 1019960046324 A KR1019960046324 A KR 1019960046324A KR 19960046324 A KR19960046324 A KR 19960046324A KR 0170351 B1 KR0170351 B1 KR 0170351B1
- Authority
- KR
- South Korea
- Prior art keywords
- semiconductor manufacturing
- cleaning solution
- manufacturing equipment
- cleaning
- chelating agent
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 46
- 238000004140 cleaning Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000004065 semiconductor Substances 0.000 claims abstract description 47
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 31
- 235000012431 wafers Nutrition 0.000 claims abstract description 31
- 239000000356 contaminant Substances 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 18
- 235000011007 phosphoric acid Nutrition 0.000 claims abstract description 17
- 239000002738 chelating agent Substances 0.000 claims abstract description 15
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 14
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 6
- 239000010452 phosphate Substances 0.000 claims abstract description 6
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 25
- 239000000126 substance Substances 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical group [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 239000013522 chelant Substances 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 3
- 238000011086 high cleaning Methods 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000011109 contamination Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 101000580354 Rhea americana Rheacalcin-2 Proteins 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D11/00—Special methods for preparing compositions containing mixtures of detergents
- C11D11/0094—Process for making liquid detergent compositions, e.g. slurries, pastes or gels
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/36—Organic compounds containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
-
- 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
- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02052—Wet cleaning only
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/22—Electronic devices, e.g. PCBs or semiconductors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims (8)
- 반도체 제조 장비 또는 웨이퍼 상의 금속 오염 물질을 제거하기 위한 세정 용액에 있어서,상기 세정 용액은 하기 화학식 1로 표시되는 인산 킬레이트제를 포함한 용액인 것을 특징으로 하는 세정 용액.
- 반도체 제조 장비 또는 웨이퍼 상의 금속 오염 물질을 제거하기 위한, 하기 화학식 1로 표시되는 인산 킬레이트제를 포함하는 세정 용액을 제조하는 방법에 있어서,상기 인산 킬레이트제는 인산(H3PO4)을 산화제(Oxidizer)를 이용하여 산화시키는, 하기 화학식 2로 표시되는 산화 반응에 의하여 준비되는 것을 특징으로 하는 세정 용액의 제조 방법.
- 제2 항에 있어서,상기 인산은 0.001 내지 25 중량 퍼센트(wt%)인 농도를 갖도록 수용액(aqueous)에 용해시킨 것을 특징으로 하는 세정 용액의 제조 방법.
- 제2 항에 있어서,상기 산화제(Oxidizer)는 오존(O3) 또는 과산화수소(H2O2)인 것을 특징으로 하는 세정 용액의 제조 방법.
- 제2 항에 있어서,상기 화학식 2로 표시되는 산화 반응은 인 시-튜(in si-tu)로 진행되는 것을 특징으로 하는 세정 용액의 제조 방법.
- 제2 항 내지 제5 항 중 어느 한 항에 있어서,상기 화학식 2로 표시되는 산화 반응은 18 내지 80℃의 온도 범위에서 진행되는 것을 특징으로 하는 세정 용액의 제조 방법.
- 반도체 제조 장비 또는 웨이퍼 상의 금속 오염 물질(Mn+)을 제거하기 위한 하기 화학식 1로 표시되는 인산 킬레이트제를 포함하는 세정 용액을 이용하여 세정하는 방법에 있어서,상기 세정 용액의 인산 킬레이트제가 금속 오염 물질(Mn+)과 결합하는, 하기 화학식 5로 표시되는 킬레이트 반응으로 반도체 제조 장비 또는 웨이퍼 상의 금속 오염 물질(Mn+)을 제거하여 반도체 제조 장비 또는 웨이퍼를 세정하는 것을 특징으로 하는 세정 방법.
- 제7 항에 있어서,상기 세정 방법의 공정은 18 내지 80℃의 온도 범위에서 진행되는 것을 특징으로 하는 세정 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960046324A KR0170351B1 (ko) | 1996-10-16 | 1996-10-16 | 세정 용액과 그 제조 방법 및 그 세정 용액을 이용한 세정방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960046324A KR0170351B1 (ko) | 1996-10-16 | 1996-10-16 | 세정 용액과 그 제조 방법 및 그 세정 용액을 이용한 세정방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980027525A KR19980027525A (ko) | 1998-07-15 |
KR0170351B1 true KR0170351B1 (ko) | 1999-01-15 |
Family
ID=19477716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960046324A KR0170351B1 (ko) | 1996-10-16 | 1996-10-16 | 세정 용액과 그 제조 방법 및 그 세정 용액을 이용한 세정방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0170351B1 (ko) |
-
1996
- 1996-10-16 KR KR1019960046324A patent/KR0170351B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR19980027525A (ko) | 1998-07-15 |
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