TWI249573B - Process and composition for removing residues from the microstructure of an object - Google Patents
Process and composition for removing residues from the microstructure of an object Download PDFInfo
- Publication number
- TWI249573B TWI249573B TW093118357A TW93118357A TWI249573B TW I249573 B TWI249573 B TW I249573B TW 093118357 A TW093118357 A TW 093118357A TW 93118357 A TW93118357 A TW 93118357A TW I249573 B TWI249573 B TW I249573B
- Authority
- TW
- Taiwan
- Prior art keywords
- composition
- additive
- carbon dioxide
- fluoride
- cosolvent
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title abstract description 16
- 230000008569 process Effects 0.000 title abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 114
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 58
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 57
- 239000000654 additive Substances 0.000 claims abstract description 40
- 230000000996 additive effect Effects 0.000 claims abstract description 34
- 239000006184 cosolvent Substances 0.000 claims abstract description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 42
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 33
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 229920005862 polyol Polymers 0.000 claims description 19
- 150000003077 polyols Chemical class 0.000 claims description 19
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- MOVBJUGHBJJKOW-UHFFFAOYSA-N methyl 2-amino-5-methoxybenzoate Chemical compound COC(=O)C1=CC(OC)=CC=C1N MOVBJUGHBJJKOW-UHFFFAOYSA-N 0.000 claims description 16
- 239000003112 inhibitor Substances 0.000 claims description 14
- 239000008367 deionised water Substances 0.000 claims description 13
- 229910021641 deionized water Inorganic materials 0.000 claims description 13
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical group CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 8
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 5
- 150000001298 alcohols Chemical class 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- FPGGTKZVZWFYPV-UHFFFAOYSA-M tetrabutylammonium fluoride Chemical compound [F-].CCCC[N+](CCCC)(CCCC)CCCC FPGGTKZVZWFYPV-UHFFFAOYSA-M 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 3
- -1 tetramethyl fluoroform Chemical compound 0.000 claims description 3
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 claims description 2
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 claims description 2
- FHCUSSBEGLCCHQ-UHFFFAOYSA-M 2-hydroxyethyl(trimethyl)azanium;fluoride Chemical compound [F-].C[N+](C)(C)CCO FHCUSSBEGLCCHQ-UHFFFAOYSA-M 0.000 claims description 2
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 claims description 2
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 claims description 2
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 claims description 2
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- QSUJAUYJBJRLKV-UHFFFAOYSA-M tetraethylazanium;fluoride Chemical compound [F-].CC[N+](CC)(CC)CC QSUJAUYJBJRLKV-UHFFFAOYSA-M 0.000 claims description 2
- POSYVRHKTFDJTR-UHFFFAOYSA-M tetrapropylazanium;fluoride Chemical compound [F-].CCC[N+](CCC)(CCC)CCC POSYVRHKTFDJTR-UHFFFAOYSA-M 0.000 claims description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 claims 7
- 235000011114 ammonium hydroxide Nutrition 0.000 claims 3
- 239000000908 ammonium hydroxide Substances 0.000 claims 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 claims 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 claims 1
- 241001455273 Tetrapoda Species 0.000 claims 1
- BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical compound CCC(O)CO BMRWNKZVCUKKSR-UHFFFAOYSA-N 0.000 claims 1
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 claims 1
- 229960001231 choline Drugs 0.000 claims 1
- 150000002334 glycols Chemical class 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 claims 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- XPDWGBQVDMORPB-UHFFFAOYSA-N trifluoromethane acid Natural products FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 claims 1
- 150000004072 triols Chemical class 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 21
- 238000004140 cleaning Methods 0.000 description 19
- 235000012431 wafers Nutrition 0.000 description 16
- 239000007788 liquid Substances 0.000 description 13
- 239000003153 chemical reaction reagent Substances 0.000 description 11
- 239000002516 radical scavenger Substances 0.000 description 11
- 239000012459 cleaning agent Substances 0.000 description 10
- 239000004065 semiconductor Substances 0.000 description 8
- 238000003860 storage Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000005201 scrubbing Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- 150000007514 bases Chemical class 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- HNRMPXKDFBEGFZ-UHFFFAOYSA-N ethyl trimethyl methane Natural products CCC(C)(C)C HNRMPXKDFBEGFZ-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- ZWVMLYRJXORSEP-UHFFFAOYSA-N 1,2,6-Hexanetriol Chemical compound OCCCCC(O)CO ZWVMLYRJXORSEP-UHFFFAOYSA-N 0.000 description 1
- DIIIISSCIXVANO-UHFFFAOYSA-N 1,2-Dimethylhydrazine Chemical compound CNNC DIIIISSCIXVANO-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010008469 Chest discomfort Diseases 0.000 description 1
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 1
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- WWECJGLXBSQKRF-UHFFFAOYSA-N n,n-dimethylformamide;methanol Chemical compound OC.CN(C)C=O WWECJGLXBSQKRF-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 238000005510 radiation hardening Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- LDOAUKNENSIPAZ-UHFFFAOYSA-N tetrafluoroammonium Chemical compound F[N+](F)(F)F LDOAUKNENSIPAZ-UHFFFAOYSA-N 0.000 description 1
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- 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
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3209—Amines or imines with one to four nitrogen atoms; Quaternized amines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0021—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by liquid gases or supercritical fluids
-
- 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
- C11D7/32—Organic compounds containing nitrogen
-
- 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
- C11D7/5004—Organic solvents
- C11D7/5022—Organic solvents containing oxygen
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/42—Stripping or agents therefor
- G03F7/422—Stripping or agents therefor using liquids only
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/42—Stripping or agents therefor
- G03F7/422—Stripping or agents therefor using liquids only
- G03F7/425—Stripping or agents therefor using liquids only containing mineral alkaline compounds; containing organic basic compounds, e.g. quaternary ammonium compounds; containing heterocyclic basic compounds containing nitrogen
-
- 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)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Emergency Medicine (AREA)
- Health & Medical Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Detergent Compositions (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Extraction Or Liquid Replacement (AREA)
Description
1249573 ⑴ ’玖、發明說明 '【發明所屬之技術領域】 本發明係關於用於從物體的微結構中淸除 法和組合物。本發明特別關於用於從具有凸凹 結構的半導體晶片表面上淸除在半導體生産過 殘餘物(例如抗蝕劑)的方法和組合物。 【先前技術】 在生産半導體晶片時,要求淸除其他生産 的殘餘物如光致抗蝕劑、uv-硬化抗蝕劑、X-蝕劑、灰化抗蝕劑(ashed resist)、含碳-fluorine)的聚合物、電漿鈾刻殘餘物及有機或 。通常使用乾式和濕式淸除方法。在濕式淸除 導體晶片被浸漬在含有淸除劑之試劑中(例如Z 淸除半導體晶片表面上的殘餘物。 近來,超臨界二氧化碳被充當此類試劑, 二氧化碳具有低粘度和高擴散性。依據此類性 構的處理中,用超臨界二氧化碳淸潔提供數種 ,能高度滲透至微結構之間的小區域內及成功 構,因爲超臨界相中沒有液-液介面。 然而,超臨界二氧化碳本身並不足以淸除 表面上的多種殘餘物。爲了解決這一問題,數 臨界二氧化碳中的添加劑被建議。如日本未: 10-125644該,甲烷或具有CFx基團的表面活 殘餘物的方 部分的精細 程中産生的 步驟中産生 射線硬化抗 氟(carbon- 無機污染物 方法中,半 k溶液中)以 因爲超卩品界 質,在微結 優點,例如 地乾燥微結 半導體晶片 種添加至超 審公開專利 性劑被充當 (2) 1249573 超臨界二氧化碳中的添加劑。在日本未審公開專利 ^191063中,二甲亞颯或二甲基甲醯胺被充當此類添加 劑。但是,基於發明人的硏究,這些添加劑並不總能有效 地淸除殘餘物。具體來說,當淸潔物體是由低介電常數材 料所組成的晶片時,藉由使用鹼性化合物和水的此類方法 處理之後,這些晶片的品質量會被減低。這種情況可能發 生,因爲鹼性化合物和水會損害低介電常數的材料,特別 是介電常數低於4的材料(下文稱爲低-k材料)。因此,本 發明的目的是提供一種不會對低-k材料有顯著損害的新 穎且有效的淸潔方法。 【發明內容】 因此,本發明的目的是提供一種不會對低-k材料有 顯著損害的條件下有效地淸除物體的微結構中的殘餘物的 方法和組合物。 依據本發明,從物體中淸除殘餘物的方法被提供,方 法包括下述步驟:製備淸除劑,該淸除劑包括二氧化碳、 用於淸除殘餘物的添加劑、用於防止低-k損害的抑制劑 和在加壓流體條件下使該添加劑溶解在該二氧化碳中的共 溶劑,並使物體和該淸除劑接觸以淸除物體中的殘餘物。 從物體中淸除殘餘物的組合物亦被提供,該組成物包 括二氧化碳、含氟化物的添加劑、能夠溶解含氟化物的添 加劑的共溶劑或共溶劑混合物和抑制劑。 (3) 1249573 【實施方式】 本發明適用於物體的微結構’如其表面上具有凸凹部 分的精細結構的半導體晶片’形成或保持其他不同材料的 連續或不連續層的金屬、塑膠或陶瓷製成的基片。 首先說明本發明使用的該淸除劑。淸除劑包括二氧化 碳、用於淸除殘餘物的添加劑、用於抑制殘餘物的抑制劑 和在加壓流體條件下使該添加劑和該抑制劑溶解在該二氧 化碳中的共溶劑。加壓的二氧化碳具有高的分散率’並且 能夠使溶解的殘餘物分散在其中。如果二氧化碳轉換成超 臨界狀態,則它可以更有效地滲入物體的精細圖案部分。 因爲二氧化碳的粘度低,所以利用這一性能可以使添加劑 進入物體表面上的孔或凹面部分。二氧化碳但在3 1 °C時 被加壓至5MPa或更大,不能低於7. 1 MPa,以使二氧化碳 轉換成超臨界流體狀態。 儘管可以使用任何可以淸除微結構中殘餘物的添加劑 ’但是本發明優先使用氟化季銨鹽,因爲氟化季銨鹽具有 有效的淸潔能力。較佳的氟化物包括至少一種選自下述物 質中的化合物:氟化四甲銨、氟化四乙銨、氟化四丙銨、 氟化四丁銨、膽鹼氟酸鹽(ch〇linefluoride)。在這些化合 物中’氟化四甲銨(TMAF)爲最佳者。 如果添加劑的濃度太低,則淸潔殘餘物的效果不充分 。添加劑的下限是〇 · 0 0丨重量%,較佳爲〇 . 〇 〇 5重量。/。,更 佳爲〇·01重量%。但是,當濃度大於0.1重量%時,由於 低· k材料的過度蝕刻而使低_ k材料受到損害。因此,添 1249573 加劑的上限是o.i重量%,較佳爲0·05重量%,更佳爲 0.0 3重量%。
的硏究期間中’對含微結構的低-k膜進行一些淸潔 液體狀殘餘物,,被視爲 」-k材料之間触刻反應 後出現一些液體狀殘餘物。這些“液| 是淸除劑中的一些化合物與部分低 的副産ΠΡ °因爲來自低-k材料的産品不易溶於超臨界二 氧化碳’所以追些副産品不能被淸除,並且看起來是液體 狀殘餘物。 進一步硏究後發現:當用多元醇作爲該淸除劑中的一 種組分時’可以減少這些液體狀殘餘物的量。因此,本發 明的淸除劑包括充當抑制劑的多元醇,以防止低_k材料 受到損害。儘管多元醇對低· k材料的保護機制尙在硏究 之中,但是多元醇可以吸附在低-k材料的表面上,並 止化學物質攻擊其表面。 多元醇可爲二元醇,例如乙二醇、丙二醇、伸丙二醇 、二甘醇、二丙二醇、1,2-、1,3·、l,4-或 2,3-丁二醇、伸 戊二醇、己二醇、辛二醇,或三元醇,例如甘油、三經甲 基丙烷、1 , 2,6 -己三醇,和四元醇,例如季戊四醇。同樣 地’可使用聚乙一醇或聚丙一 _。在這些化合物中,二元 醇爲較佳者,以乙二醇和丙二醇爲更佳者。 如果多元醇的濃度太低,則對低-k材料的保護不充 分,液體狀殘餘物的含量會增加。多元醇的下限是〇 . 〇 〇 5 (5) 1249573 重量%,較佳爲Ο . Ο Ο 7重量%,更佳爲Ο . ο 1重量%。但是 ,當濃度大於〇 . 1重量%時,保護功效達到飽和。因此, 多元醇的上限是0.1重量%,較佳爲0.07重量%,更佳爲 0.05重量%。 因爲加壓二氧化碳本身並不足以溶解添加劑和抑制劑 (如TMAF)和多元醇,所以本發明使用共溶劑將其溶入二 氧化碳。本發明的共溶劑是對二氧化碳和添加劑均有親和 力的化合物。這樣的共溶劑使添加劑均勻地溶解或分散在 流體狀態的加壓二氧化碳中。儘管可以使用任何能夠將添 加劑和多元醇溶入加壓二氧化碳中的共溶劑,但以醇類爲 較佳。醇可以是任何醇,如乙醇、甲醇、正丙醇、異丙醇 、正丁醇、異丁醇、二甘醇單甲醚、二甘醇單乙醚和六氟 異丙醇。在這些醇中,較佳者爲甲醇、乙醇和異丙醇,因 爲它們可以作爲很多化合物的良好的共溶劑。 共溶劑的種類和用量的選擇取決於加至二氧化碳中的 添加劑的種類和用量。共溶劑的用量較佳爲添加劑用量的 5倍或更多,因爲淸除劑易於變成均勻且透明。或者,淸 除劑可包括1重量% _ 5 0重量%的共溶劑。如果加入的共溶 劑超過5 0重量%,則由於二氧化碳的量較少將使得淸除 劑的滲透率下降。使用含有二氧化碳、作爲共溶劑的醇、 作爲添加劑的氟化季錢鹽和/或季錢氫氧化物的淸除劑係 較佳的’因爲醇能夠使這些添加劑很好地溶入二氧化碳, 並且這些添加劑是親C 02的。 當使用TMAF作爲添加劑時,應先將tmaf溶入該共 (6) 1249573 溶劑,因爲TMAF在環境溫度下是固體。此時可以加入溶 劑(例如二甲基乙醯胺(DMA C)或去離子水(DIW)),以使 TMAF更容易地溶入二氧化碳。這類溶劑的用量較佳爲低 於TMAF的20倍。特別是,應當使DIW的濃度最小化, 因爲低-k材料的損害。 實際步驟將使用圖式予以描述。在下面的描述中,除 二氧化碳之外的淸除劑組分一添加劑、抑制劑、共溶劑的 混合物簡稱爲“淸潔試劑”。圖1顯示出本發明用於淸除 殘餘物的裝置的簡單示意圖。在圖中,1是二氧化碳鋼瓶 ,2是二氧化碳的高壓泵,3是淸潔試劑的儲存槽,4是 淸潔試劑泵,5是閥,6是淸洗試劑的儲存槽,7是淸洗 試劑泵,8是閥,9是高壓容器,1 0是恒溫箱。首先,微 結構,例如其表面上有殘餘物的半導體晶片,被引入且置 放在高壓容器9中,然後用高壓泵2將二氧化碳從二氧化 碳鋼瓶1供給高壓容器9。爲了使高壓容器9中的加壓二 氧化碳保持超臨界狀態,用恒溫箱1 0將高壓容器9恒溫 在特定溫度。可以用具有加熱單元的容器代替高壓容器9 。用高壓泵4將淸潔試劑從儲存槽3供給高壓容器9。當 淸潔試劑從儲存槽3供給高壓容器9時開始淸潔步驟。二 氧化碳和淸潔試劑的供應可以是連續的或是批次的。 淸除過程是在溫度爲31。(: -12(TC,壓力爲 5MPa-3 0MPa,較佳是在7. I MPa-2 OMPa,予以實施。淸除殘餘 物需要的時間取決於物體大小、殘餘物的種類和數量,時 間範圍通常是1分鐘至數十分鐘。 -10- (7) 1249573 淸潔步驟之後,接著是淸洗步驟。淸潔步驟完成後, 在淸潔過程中從表面上除掉的殘餘物仍保留在容器9中。 如果在這種條件下加入純淨二氧化碳,則部分殘餘物將沈 積在物體表面上。因此,在淸潔步驟之後,用二氧化碳和 淸洗試劑的混合物進行第一次淸洗步驟。第一次淸洗步驟 後,用純淨的二氧化碳進行第二次淸洗步驟。 用於第一次淸洗步驟中的較佳淸洗試劑是能夠淸除液 體狀殘餘物的那些試劑。發明人硏究後發現:具有與水類 似的比介電常數(specific dielectric constant)的化合物可 以有效地達到該目的。因爲水的比介電常數在25 °C和1 大氣壓下是78,所以使用比介電常數不小於78的化合物 。要求比介電常數與水類似的原因是作爲低-k蝕刻副産 品的液體狀殘餘物具有高極性,導致對極性溶劑具有高親 和力。 另一方面,如前述,本發明需要多元醇。但是,如果 淸潔試劑的用量少到足以抑制由於低-k材料的損害所造 成的副産品的生産,則在不加入任何多元醇的淸潔步驟中 ,可使用比介電常數不小於7 8的淸洗試劑處理較長時間 。但是,爲了最小化第一次淸洗步驟的處理時間(例如,5 分鐘或更少),較佳的是,加入多元醇以最小化液體狀殘 餘物副産品。 實際上,可以經由下述方式實施第一次淸洗步驟:用 閥5停止淸潔試劑的供料,然後將二氧化碳和淸洗試劑供 給高壓容器9,以除去容器9的內容物。可以用流量計1 2 -11 - (8) 1249573 控制流速。在第一次淸洗步驟中,較佳的是,使用閥8逐 漸降低或者逐步降低淸洗試劑的供料速度,以純淨二氧化 碳置換容器9的內容物,接著使用純淨二氧化碳的第二次 淸洗步驟。 例如,可以用包括液氣分離器的二氧化碳循環方法將 從淸潔步驟和第一次淸洗步驟中排出的流體分成氣態二氧 化碳和液體部分,從而將其再循環和再利用。 在第二次淸洗步驟後,經由使用壓力控制閥1 1卸懕 使二氧化碳蒸發成氣相。因此,微結構,例如半導體晶片 ,可被乾燥,且圖案無任何水斑及任何損害。 下面參照試驗描述本發明。儘管已經通過參考附圖的 實施例詳盡地描述了本發明,但是應當理解的是,對於本 領域普通技術人員而言’各種變化和改進是顯而易見的。 因此,只要這些變化和改進沒有背離本發明的範圍,它們 就應當處於本發明的保護範圍之內。 實施例 實施例1 爲了硏究淸潔試劑對低-k材料的損害程度,首先_ 量低-k膜的蝕刻速度。通過塗覆由有機矽組成的材料, 然後進行加熱和乾燥的方法在矽片上製備低_k膜。低、 膜的膜厚約爲5 0 0A,k値是2-3。用圖]所示的淸潔工耗 將塗覆有低-k膜的晶片放入局壓容器9。蓋住容器9的务 子後,通過泵2將二氧化碳鋼瓶中的二氧化碳導入。用椅 -12 - (9) 1249573 溫箱1 〇將容器9的溫度恒溫在5 〇 °C,用控制閥1 1控制 壓力。壓力達到15MPa後,通過泵4將儲存槽4中的淸 潔試劑供入容器9。處理1 〇分鐘後,進行5分鐘的第一 次淸洗步驟,然後用純二氧化碳進行1 0分鐘的第二次淸 洗步驟。第一次淸洗步驟中使用的淸洗試劑是0.5重量% 的去離子水、4.5重量%的乙醇和9 5重量%的二氧化碳。 第二次淸洗步驟後,用壓力控制閥 U卸壓後取出晶 片進行進一步評價。用處理前後的膜厚差除以1 0分鐘, 計算出蝕刻速度(A / min)。用光學測量工具測量膜厚。結 果示於表1。 表1中的縮寫詞如下: TMAF :氟化四甲銨,DMAC :二甲基乙醯胺,DIW : 去離子水,EG :乙二醇,PG :丙二醇,Et〇H :乙醇 -13- 1249573
蝕刻速度 A/min 240 230 155 148 m 0Λ 5; 淸除劑的組分 DIW 0.024 j 0.024 0.024 0.024 〇 〇 O o DMAC 0.063 0.051 0.063 0.051 0.066 0.054 0.165 0.135 共溶劑 EtOH On 寸· 寸 On 寸 σ\ 寸 τ· Ή 寸 〇〇 寸 〇〇 寸 薇 〇 Ο o 0.012 0.024 〇 0.012 o 1 0.03 添加劑和抑制 Ο ω Ο 0.012 〇 ο o 〇 o 〇 I TMAF j 0.013 1 0.013 0.013 0.013 0.005 0.005 0.013 0.013 C02 C\ in Os C\ G\ to C\ C\ Μ 屬 3S 9 < (N m 寸 Ό r- 〇〇 (11) 1249573 實施例2 用實施例1該的同樣的方法製備塗覆有低-k膜的晶 片。用平版印刷術在表面上加工線條和空間圖案(1 8 0nm 寬)後’用碳氟化合物氣體進行普通蝕刻,用氧氣電漿進 行灰化。在與實施例1相同的條件下用表2列出的淸潔試 劑淸潔1分鐘後,用表2列出的組分進行5分鐘或1 0分 鐘的第一次淸洗步驟,然後用純二氧化碳進行1 0分鐘的 第二次淸洗步驟。使用的第一次淸洗試劑是〇 · 5重量%的 鲁 列舉組分、4 · 5重量%的乙醇和9 5重量。/。的二氧化碳。通 過打開壓力控制閥1 1卸壓後取出處理後的晶片進行進一 步評價。通過用振幅爲5 00 0 0的掃描電鏡(SEM)觀察評價 淸潔性能。檢測淸潔性能時既要觀察線條表面上的殘餘物 _ 又要觀察液體狀殘餘物。檢測的標準如下: - 優秀:不再有殘餘物 良好:晶片的圖案側上殘餘物的量小於1 %面積 NG(不好):殘餘物的量大於1%面積 修 表2中的縮寫詞如下: TMAF :氟化四甲銨,DMAC :二甲基乙醯胺,H20 : 水(ε =7 8),DIW :去離子水,EG :乙二醇,PG :丙二醇 ,EtOH:乙醇,FA:甲 胺(e=:m),MF:甲基甲 胺( e =182),DMF:二甲基甲 胺(ε =36.7),MeOH =甲醇(ε = 42),AC :丙酮(ε =2 1) 根據本發明的該淸潔方法,通過使用加入二氧化碳中 的包括抑制劑如多元醇的淸潔試劑可以保護易於被淸潔試 -15 - (12) 1249573 劑損害的低-k材料。另外,通過選擇合適的淸洗試劑可 以淸除由於淸潔試劑損害低-k材料産生的殘餘物。因此 ,本發明該的淸潔方法提供了 一種適用於微結構如半導體 晶片的優化淸潔方法。
-16 > 1249573
CN谳 1分鐘淸潔+ 10 分鐘第一次淸洗 聚合物 優秀 優秀 優秀 優秀 優秀 優秀 優秀 優秀 優秀 優秀 良好 良好 優秀 優秀 優秀 液體狀 不好 不好 不好 優秀 優秀 優秀 優秀 優秀! 優秀 優秀 優秀 優秀 優秀 優秀 優秀 1分鐘淸潔+5分 鐘第一次淸洗 聚合物 優秀 優秀 優秀 優秀 優秀 優秀 優秀 優秀i 優秀 優秀 良好 1良好 優秀 優秀 優秀 液體狀 不好 不好 不好i 不好 優秀 優秀 NG 良好 優秀 優秀 良好 優秀 良好 優秀 優秀 淸洗 DMF MeOH α < h2o £ MF h2o h2〇 2 h20 h2o h2〇 η2〇 < η2ο 淸除劑的組分 附加溶劑 DIW 0.024 0.024 I 0.024 0.024 0.024 0.024 0.024 0.024 0.024 0.024 〇 Ο ο ο ο DMAC 0.063 0.063 0.063 0.063 0.063 | 0.063 0.051 0.063 0.063 0.051 0.066 0.054 j 0.165 0.165 0.135 共溶劑 EtOI-I 寸 寸 On 寸 寸 ON 寸 ON 寸 寸 C\ 寸· G\ 寸 ON 寸 ,'i CTs 寸· 〇〇 寸 OC 寸 〇〇 寸· 添加劑和抑制劑 Ο 〇 〇 Ο 〇 〇 〇 〇 0.012 0.012 0.024 ο 0.012 ο ο 0.03 〇 〇 〇 Ο 〇 〇 〇 0.012 〇 〇 〇 ο ο Ο ο ο TMAF 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.005 0.005 0.013 0.013 0.013 1 C〇2 ON os 〇\ to ο yn 〇\ ON wo ON 〇\ ON 〇\ 〇\ Os Μ 謹 (N m 寸 卜 OC C\ 〇 t 1 i (Ν m 寸 -17- (14) 1249573 【圖式簡單說明】 參考附圖並結合下面的詳述部分能夠更淸楚地看出本 發明的上述特點和特徵及其它特點和特徵,在附圖中,類 似的參考數字表示類似的元件,其中·· 圖1是本發明用於淸除殘餘物的裝置的示意圖。 %件符號對照表 1 二氧化碳鋼另 2 局壓栗 3 儲存槽 4 泵 5 閥 6 儲存槽 7 泵 8 閥 9 高壓容器 10 恆溫箱 11 壓力控制閥 12 流量計
-18-
Claims (1)
- (1) 1249573 拾、申請專利範圍 1 ·種用於從物體的微結構中淸除殘餘物的組合物, 其包括: 二氧化碳; 用於移除殘留物的添加劑; 用於抑制殘留物的抑制劑;及 在加壓流動條件下使該添加劑及該抑制劑溶解在該二 氧化碳中的共溶劑。 2 .如申請專利範圍第1項的組合物,其中該添加劑包 括氟化季銨鹽。 3 ·如申請專利範圍第2項的組合物,其中氟化季銨鹽 係選自氟化四甲錢、化四乙鏡、氟四丙銨、氟^化四丁 銨、膽鹼氟酸鹽及其混合物。 4 .如申請專利範圍第3項的組合物,其中氟化季錢鹽 是氟化四甲鞍。 5 ·如申§靑專利圍第2項的組合物,其中添加劑另包 括氫氧化季銨。 6 ·如申請專利車E圍弟1項的組合物,其中添加劑包括 氫氧化季銨。 7 .如申i靑專利軔圍弟1項的組合物,其中添加劑的濃 度範圍從0.001至〇·1重量百分比。 8 ·如申請專利範圍第1項的組合物,其中抑制劑包括 多元醇。 9.如申請專利範圍第8項的組合物,其中多元醇係選 -19- (2) 1249573 自二元醇、三元醇、四元醇及其混合物。 1 0 .如申請專利範圍第9項的組合物,其中多元醇爲 二元醇。 11.如申請專利範圍第1 0項的組合物,其中二元醇係 選自乙二醇、丙二醇、1,3 -丙二醇、二甘醇、二丙二醇、 1,2-丁 二醇、1;3-丁 二醇、1,4-丁 二醇、2,3-丁 二醇、1,5-戊二醇、己二醇、辛二醇、及其混合物。 1 2 .如申請專利範圍第1 1項的組合物,其中二元醇包 括丙二醇。 1 3、如申請專利範圍第1項的組合物,其中共溶劑係 選自去離子水、醇及其混合物。 1 4 .如申請專利範圍第1 3項的組合物,其中共溶劑是 溶劑。 1 5 .如申請專利範圍第1 4項的組合物,其中溶劑是二 甲基乙醯胺。 1 6 .如申請專利範圍第1 3項的組合物,其中共溶劑是 選自乙醇、甲醇、正丙醇、異丙醇、正丁醇、異丁醇、二 甘醇單甲醚、二甘醇單乙醚、六氟異丙醇及其混合物。 1 7 .如申請專利範圍第1 3項的組合物,其中共溶劑包 括去離子水。 ! 8 .如申請專利範圍第1 3項的組合物,其中共溶劑實 質上是無水。 1 9 . 一種用於從物體的微結構中淸除殘餘物的組合物 ,其包括:二氧化碳、含氟化物的添加劑、能夠溶解含氟 -20- (3) 1249573 化物的添加劑的共溶劑或共溶劑的混合物和含有多元醇的 抑制劑。 2 0 .如申請專利範圍第1 9項的組合物,其中含氟化物 的添加劑是選自氟化四甲銨、氟化四乙銨、氟化四丙銨、 氟化四丁銨、膽鹼氟酸鹽及其混合物的氟化季銨鹽。 2 1 ·如申請專利範圍第2 0項的組合物,其中氟化季銨 鹽是氟化四甲銨。 2 2 .如申請專利範圍第1 9項的組合物,其中共溶劑或 共溶劑的混合物是乙醇、甲醇、正丙醇、異丙醇、正丁醇 或二甲基乙醯胺。 2 3 ·如申請專利範圍第2 2項的組合物,其中共溶劑是 乙醇和二甲基乙醯胺共溶劑的混合物。 2 4 .如申請專利範圍第1 9項的組合物,其中多元醇包 括丙二醇。 2 5 · —種用於從物體的微結構中淸除殘餘物的組合物 ’其包括:二氧化碳、氟化四甲銨、乙醇、二甲基乙醯胺 和丙二醇。 2 6.—種用於從物體的微結構中淸除殘餘物的組合物 ,其包括: 在加壓或臨界流動條件下的二氧化碳; 從0.00 1至0.1重量百分比的用於移除殘留物的添加 劑’該添加劑係選自氟化季銨鹽、氫氧化季銨及其混合物 從0.00 5至〇.;[重量百分比的含有多元醇的抑制劑; -21 - (4) 1249573 及 從1至5 0重量百分比的共溶劑,該共溶劑係選自溶 劑、去離子水、醇及其混合物。-22-
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KR100559017B1 (ko) * | 2000-08-14 | 2006-03-10 | 동경 엘렉트론 주식회사 | 초임계 이산화탄소를 이용하는 반도체로부터의포토레지스트 및 포토레지스트 잔사의 제거법 |
US6425956B1 (en) * | 2001-01-05 | 2002-07-30 | International Business Machines Corporation | Process for removing chemical mechanical polishing residual slurry |
JP2002237481A (ja) * | 2001-02-09 | 2002-08-23 | Kobe Steel Ltd | 微細構造体の洗浄方法 |
TW544797B (en) * | 2001-04-17 | 2003-08-01 | Kobe Steel Ltd | High-pressure processing apparatus |
US20030217764A1 (en) * | 2002-05-23 | 2003-11-27 | Kaoru Masuda | Process and composition for removing residues from the microstructure of an object |
-
2002
- 2002-05-23 US US10/152,782 patent/US20030217764A1/en not_active Abandoned
-
2003
- 2003-05-19 SG SG200402532A patent/SG128463A1/en unknown
- 2003-05-21 CN CNB031378153A patent/CN100499018C/zh not_active Expired - Fee Related
- 2003-05-21 CN CNA2004100621728A patent/CN1563315A/zh active Pending
- 2003-05-22 TW TW092113865A patent/TWI231824B/zh not_active IP Right Cessation
- 2003-05-22 AT AT03011130T patent/ATE322740T1/de not_active IP Right Cessation
- 2003-05-22 EP EP03011130A patent/EP1365441B1/en not_active Expired - Lifetime
- 2003-05-22 DE DE60306617T patent/DE60306617T2/de not_active Expired - Fee Related
- 2003-05-22 EP EP04010688A patent/EP1453080B1/en not_active Expired - Lifetime
- 2003-05-22 DE DE60304389T patent/DE60304389T2/de not_active Expired - Lifetime
- 2003-05-22 TW TW093118357A patent/TWI249573B/zh not_active IP Right Cessation
- 2003-05-22 KR KR1020030032526A patent/KR100562597B1/ko not_active IP Right Cessation
- 2003-05-23 JP JP2003146503A patent/JP4256722B2/ja not_active Expired - Fee Related
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2004
- 2004-04-13 US US10/822,804 patent/US7220714B2/en not_active Expired - Lifetime
- 2004-04-27 KR KR1020040028938A patent/KR100551864B1/ko not_active IP Right Cessation
- 2004-08-27 JP JP2004249222A patent/JP2005089746A/ja active Pending
Also Published As
Publication number | Publication date |
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DE60304389D1 (de) | 2006-05-18 |
ATE322740T1 (de) | 2006-04-15 |
KR20040040425A (ko) | 2004-05-12 |
DE60306617D1 (de) | 2006-08-17 |
US7220714B2 (en) | 2007-05-22 |
US20030217764A1 (en) | 2003-11-27 |
DE60304389T2 (de) | 2007-02-01 |
TW200400258A (en) | 2004-01-01 |
CN1563315A (zh) | 2005-01-12 |
TWI231824B (en) | 2005-05-01 |
KR100562597B1 (ko) | 2006-03-17 |
CN100499018C (zh) | 2009-06-10 |
EP1365441B1 (en) | 2006-04-05 |
DE60306617T2 (de) | 2007-07-05 |
KR100551864B1 (ko) | 2006-02-13 |
KR20030091746A (ko) | 2003-12-03 |
EP1453080A1 (en) | 2004-09-01 |
CN1494954A (zh) | 2004-05-12 |
JP2005089746A (ja) | 2005-04-07 |
EP1365441A1 (en) | 2003-11-26 |
EP1453080B1 (en) | 2006-07-05 |
JP4256722B2 (ja) | 2009-04-22 |
TW200424307A (en) | 2004-11-16 |
SG128463A1 (en) | 2007-01-30 |
JP2004047980A (ja) | 2004-02-12 |
US20040192572A1 (en) | 2004-09-30 |
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