TW202220054A - 基板處理方法及基板處理裝置 - Google Patents
基板處理方法及基板處理裝置 Download PDFInfo
- Publication number
- TW202220054A TW202220054A TW110136967A TW110136967A TW202220054A TW 202220054 A TW202220054 A TW 202220054A TW 110136967 A TW110136967 A TW 110136967A TW 110136967 A TW110136967 A TW 110136967A TW 202220054 A TW202220054 A TW 202220054A
- Authority
- TW
- Taiwan
- Prior art keywords
- film
- substrate
- protective film
- substrate processing
- processing method
- Prior art date
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 141
- 238000003672 processing method Methods 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 title claims description 81
- 230000001681 protective effect Effects 0.000 claims abstract description 61
- 239000013545 self-assembled monolayer Substances 0.000 claims abstract description 61
- 239000002094 self assembled monolayer Substances 0.000 claims abstract description 59
- 238000005530 etching Methods 0.000 claims abstract description 55
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 47
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 43
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000001301 oxygen Substances 0.000 claims abstract description 33
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 33
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 50
- 239000003960 organic solvent Substances 0.000 claims description 28
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 12
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
- KAHVZNKZQFSBFW-UHFFFAOYSA-N n-methyl-n-trimethylsilylmethanamine Chemical compound CN(C)[Si](C)(C)C KAHVZNKZQFSBFW-UHFFFAOYSA-N 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 239000011261 inert gas Substances 0.000 claims description 7
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- AQRLNPVMDITEJU-UHFFFAOYSA-N triethylsilane Chemical compound CC[SiH](CC)CC AQRLNPVMDITEJU-UHFFFAOYSA-N 0.000 claims description 6
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims description 4
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 4
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 4
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 claims description 4
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 claims description 4
- 229940090181 propyl acetate Drugs 0.000 claims description 4
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 4
- SMVXQZZHXJRSIU-UHFFFAOYSA-N bis(2-methylpropyl)-octadecylsilane Chemical compound CCCCCCCCCCCCCCCCCC[SiH](CC(C)C)CC(C)C SMVXQZZHXJRSIU-UHFFFAOYSA-N 0.000 claims description 3
- HXLVDKGPVGFXTH-UHFFFAOYSA-N butyl(dimethyl)silane Chemical compound CCCC[SiH](C)C HXLVDKGPVGFXTH-UHFFFAOYSA-N 0.000 claims description 3
- ZXFNVHQEUQDKSZ-UHFFFAOYSA-N dimethyl(octadecyl)silane Chemical compound CCCCCCCCCCCCCCCCCC[SiH](C)C ZXFNVHQEUQDKSZ-UHFFFAOYSA-N 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims 2
- 229920003209 poly(hydridosilsesquioxane) Polymers 0.000 claims 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- -1 propylene glycol methyl ester Chemical class 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 21
- 238000009832 plasma treatment Methods 0.000 description 14
- 239000008186 active pharmaceutical agent Substances 0.000 description 12
- 238000012546 transfer Methods 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 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 8
- 230000015572 biosynthetic process Effects 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 238000011084 recovery Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 4
- WZFUQSJFWNHZHM-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 WZFUQSJFWNHZHM-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000004528 spin coating Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 238000000352 supercritical drying Methods 0.000 description 3
- OHVLMTFVQDZYHP-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CN1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O OHVLMTFVQDZYHP-UHFFFAOYSA-N 0.000 description 2
- LDXJRKWFNNFDSA-UHFFFAOYSA-N 2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound C1CN(CC2=NNN=C21)CC(=O)N3CCN(CC3)C4=CN=C(N=C4)NCC5=CC(=CC=C5)OC(F)(F)F LDXJRKWFNNFDSA-UHFFFAOYSA-N 0.000 description 2
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
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
- H01L21/31—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
- H01L21/32—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 using masks
-
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0332—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their composition, e.g. multilayer masks, materials
-
- 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
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
-
- 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
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30604—Chemical etching
-
- 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
-
- 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
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
-
- 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
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
-
- 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
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67069—Apparatus for fluid treatment for etching for drying etching
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67075—Apparatus for fluid treatment for etching for wet etching
- H01L21/6708—Apparatus for fluid treatment for etching for wet etching using mainly spraying means, e.g. nozzles
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/6715—Apparatus for applying a liquid, a resin, an ink or the like
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
- H01L21/0234—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour treatment by exposure to a plasma
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Drying Of Semiconductors (AREA)
- Formation Of Insulating Films (AREA)
- Weting (AREA)
Abstract
本發明提供一種技術,將暴露於氧電漿之Low-k膜或SiN膜的蝕刻速度減緩,選擇性地蝕刻SiO膜。本發明之基板處理方法,包含下述(A)~(C)步驟。(A)準備基板,該基板具備使暴露於氧電漿之Low-k膜或SiN膜、與SiO膜露出的表面。(B)對該基板的該表面供給形成自組裝單分子膜(Self-Assembled monolayer, SAM)之有機化合物(SAM劑),於該Low-k膜或該SiN膜形成保護膜。(C)對該基板的該表面供給氫氟酸,利用該保護膜阻擋因該氫氟酸而產生之該Low-k膜或該SiN膜的蝕刻,並蝕刻該SiO膜。
Description
本發明係關於一種基板處理方法及基板處理裝置。
專利文獻1所記載之方法,包含:使矽烷化化合物氣化,成為氣化之矽烷化化合物的流動;以及將受到損傷之介電膜暴露於該流動。
[習知技術文獻]
[專利文獻]
專利文獻1:日本特表2014-516477號公報
[本發明所欲解決的問題]
本發明的一態樣提供一種技術,使暴露於氧電漿之Low-k膜或SiN膜的蝕刻速度減緩,選擇性地蝕刻SiO膜。
[解決問題之技術手段]
本發明的一態樣之基板處理方法,包含下述(A)~(C)步驟。(A)準備基板,該基板具備使暴露於氧電漿之Low-k膜或SiN膜、與SiO膜露出的表面。(B)對該基板的該表面供給形成自組裝單分子膜(Self-Assembled monolayer, SAM)之有機化合物(SAM劑),於該Low-k膜或該SiN膜形成保護膜。(C)對該基板的該表面供給氫氟酸,利用該保護膜阻擋因該氫氟酸而產生之該Low-k膜或該SiN膜的蝕刻,並蝕刻該SiO膜。
[本發明之效果]
依本發明的一態樣,則可將暴露於氧電漿之Low-k膜或SiN膜的蝕刻速度減緩,可選擇性地蝕刻SiO膜。
以下,針對本發明之實施形態,參考圖式而予以說明。另,於各圖式中,有對相同或相對應之構成給予相同符號,將說明省略的情形。本說明書中,X軸方向、Y軸方向、Z軸方向為彼此垂直的方向。X軸方向及Y軸方向為水平方向,Z軸方向為鉛直方向。
首先,參考圖1,針對本實施形態之基板處理裝置1予以說明。如圖1所示,基板處理裝置1,具備搬出入站2、處理站3、及控制裝置9。於X軸正方向,將搬出入站2與處理站3以上述順序排列配置。
搬出入站2,具備載置台20及搬運部23。載置台20,具備複數張載置板21。複數張載置板21,於Y軸方向配置為一列。於複數張(例如3張)載置板21,分別載置匣盒C。各匣盒C,將複數片基板W於鉛直方向隔著間隔水平地收納。另,載置板21之數量及匣盒C之數量,並無特別限定。
搬運部23,於載置台20之X軸正方向側鄰接配置,於處理站3之X軸負方向側鄰接配置。搬運部23,具備保持基板W之搬運裝置24。搬運裝置24,可進行往水平方向(X軸方向與Y軸方向兩方向)與鉛直方向的移動、及以鉛直軸為中心的迴旋。搬運裝置24,於載置台20上的匣盒C,與處理站3的第3處理區塊G3之間,搬運基板W。
處理站3,例如具備第1處理區塊G1、第2處理區塊G2、及第3處理區塊G3。在以第1處理區塊G1、第2處理區塊G2、第3處理區塊G3包圍的區域,設置搬運區塊G4。
搬運區塊G4,具備保持基板W之搬運裝置38。搬運裝置38,可進行往水平方向(X軸方向與Y軸方向兩方向)與鉛直方向的移動、及以鉛直軸為中心的迴旋。搬運裝置38,於第1處理區塊G1、第2處理區塊G2、第3處理區塊G3之間,搬運基板W。
第1處理區塊G1,於搬運區塊G4之Y軸正方向側鄰接配置。第1處理區塊G1,例如具備電漿處理裝置31。電漿處理裝置31,以氧電漿將基板W之表面予以處理。
第2處理區塊G2,於搬運區塊G4之Y軸負方向側鄰接配置。第2處理區塊G2,例如具備保護膜形成裝置32及蝕刻裝置33。保護膜形成裝置32,對基板W之表面,供給形成自組裝單分子膜(Self-Assembled Monolayer:SAM)的有機化合物(SAM劑)。蝕刻裝置33,對基板W之表面供給氫氟酸(HF)。
第3處理區塊G3,於搬運區塊G4之X軸負方向側鄰接配置。第3處理區塊G3,例如具備傳送裝置34。傳送裝置34,於搬出入站2的搬運裝置24與處理站3的搬運裝置38之間,傳遞基板W。
另,處理站3,亦可不具備電漿處理裝置31。此一情況,基板W,預先以氧電漿處理,在收納於匣盒C的狀態下,往基板處理裝置1搬入。構成處理站3之裝置的種類、配置、及個數,並未限定於圖1所示之型態。
控制裝置9,例如為電腦,具備CPU(Central Processing Unit, 中央處理器)91、記憶體等記錄媒體92。於記錄媒體92,收納有控制於基板處理裝置1中實行之各種處理的程式。控制裝置9,藉由使CPU91實行記錄在記錄媒體92的程式,而控制基板處理裝置1的動作。
接著,參考圖2~圖4,針對本實施形態之基板處理方法予以說明。如圖2所示,基板處理方法,例如包含步驟S1~S4。步驟S1~S4,在控制裝置9的控制下實施。另,基板處理方法,至少包含步驟S2及S3即可。
首先,搬出入站2之搬運裝置24,將基板W從載置台20上的匣盒C取出,往傳送裝置34搬運。而後,處理站3之搬運裝置38,從傳送裝置34接收基板W,往電漿處理裝置31搬運。
接著,電漿處理裝置31,將基板W之表面以氧電漿予以處理(步驟S1)。其結果,例如準備圖3(A)所示的基板W。基板W,具有使SiN膜W1及SiO膜W2露出之表面Wa。SiN膜W1與SiO膜W2,於表面Wa中相鄰,但亦可分離。
SiN膜W1、SiO膜W2,皆於步驟S2之前暴露於氧電漿。然則,本發明之技術,並未限定為此一形態。至少將SiN膜W1於步驟S2之前暴露於氧電漿即可,亦可在SiO膜W2的形成前將SiN膜W1暴露於氧電漿。
此處,SiN膜,係指包含矽(Si)與氮(N)的膜。SiN膜中之Si與N的原子比,並未限定為1:1。關於SiO膜、SiOC膜、SiOCH膜、TiN膜、TaN膜亦相同。
基板W,亦可取代SiN膜W1而具備Low-k膜。Low-k膜,為介電常數較SiO膜更低的膜。Low-k膜並無特別限定,例如包含SiOC膜、SiOCH膜、HSQ(氫倍半矽氧烷)膜、MSQ(甲基倍半矽氧烷)膜、或PAE(聚烯丙基醚)膜。
基板W,包含形成SiN膜W1及SiO膜W2等之未圖示的底基板。底基板,為矽晶圓或化合物半導體晶圓。化合物半導體晶圓並無特別限定,例如為GaAs晶圓、SiC晶圓、GaN晶圓、或InP晶圓。底基板,亦可為玻璃基板。
基板W,可亦具備SiN膜W1與SiO膜W2以外的膜。例如,基板W,亦可具備金屬膜W3,進一步,亦可具備防止從金屬膜W3往SiN膜W1之金屬擴散的阻障膜W4。金屬膜W3,例如為W(鎢)膜;阻障膜W4,例如為TiN膜。阻障膜W4,並未限定為TiN膜,例如亦可為TaN膜。此外,金屬膜W3,並未限定為W膜,例如亦可為Cu(銅)膜、Co(鈷)膜、或Ru(釕)膜等。
步驟S1,例如,於金屬膜W3之圖案化中實施。例如,利用遮罩保護金屬膜W3之一部分,將金屬膜W3之剩餘部分蝕刻後,以氧電漿將遮罩灰化。於此灰化時,使SiN膜W1,暴露於氧電漿。
另,使SiN膜W1暴露於氧電漿的時序,為SAM劑之對於SiN膜W1的供給前即可,例如亦可於阻障膜W4及金屬膜W3的形成前。
上述步驟S1之後,搬運裝置38,將基板W從電漿處理裝置31取出,往保護膜形成裝置32搬運。
接著,保護膜形成裝置32,對基板表面Wa供給SAM劑,如圖3(B)所示地於SiN膜W1形成保護膜W5(步驟S2)。SAM劑,溶於溶媒,可作為溶液供給,亦可作為氣體供給。氣體,例如係藉由將溶液加熱而獲得。氣體,亦可藉由以載氣使溶液產生氣泡而獲得。藉由以溶媒將SAM劑稀釋,而可減少SAM劑之使用量。溶液中的SAM劑之濃度,例如為1體積%~20體積%。
SAM劑,並無特別限定,例如包含(三甲矽基)二甲胺(N,N-Dimethyltrimethylsilylamine:TMSDMA)、丁基二甲基矽烷(Butyldimethylsilane:Butyl-DS)、十八烷基二甲基矽烷(Octadecyldimethylsilane:Octadecyl-DS)、三乙基矽烷(Triethylsilane)、或十八烷基二異丁基矽烷(Octadecyldiisobutylsilane)。
SAM劑,容易化學吸附在具有OH基的表面。OH基,容易形成在氧化膜的表面。
SiN膜W1,預先暴露於氧電漿,此時,於SiN膜W1的表面形成OH基。因此,SAM劑化學吸附在SiN膜W1,將係SAM之保護膜W5形成在SiN膜W1的表面。保護膜W5,亦形成在SiO膜W2之表面。
上述步驟S1後,搬運裝置38,將基板W從保護膜形成裝置32取出,往蝕刻裝置33搬運。
接著,蝕刻裝置33,對基板表面Wa供給氫氟酸(HF),如圖3(C)所示地蝕刻SiO膜W2(步驟S3)。氫氟酸,溶於溶媒,可作為溶液供給,亦可作為氣體供給。氣體,例如係藉由將溶液加熱而獲得。氣體,亦可藉由以載氣使溶液產生氣泡而獲得。
蝕刻裝置33,利用保護膜W5阻擋因氫氟酸而產生之SiN膜W1的蝕刻,並蝕刻SiO膜W2。藉由保護膜W5,可將SiN膜W1的蝕刻速度減緩,可選擇性地蝕刻SiO膜W2。
如同上述,在步驟S1,將基板表面Wa以氧電漿予以處理。氧電漿,使氫氟酸所進行之SiN膜W1的蝕刻速度加快。另一方面,在步驟S2,形成保護膜W5。保護膜W5,使氫氟酸所進行之SiN膜W1的蝕刻速度減緩。保護膜W5,亦可使SiN膜W1的蝕刻速度,較氧電漿處理(步驟S1)之前更為減緩。
另,保護膜W5亦形成在SiO膜W2,但SiO膜W2的蝕刻速度非常快。SiO膜W2,從氧電漿處理(步驟S1)之前起,相較於SiN膜W1,蝕刻速度快。而由於保護膜W5為SAM,故單分子彼此之間具有間隙。若存在此一程度的間隙,由於SiO膜W2的蝕刻速度原本即快,故使SiO膜W2的支持SAM之表層去除。因此,因剝離而將SAM去除。其結果,SiO膜W2的蝕刻,以與不具有SAM之情況相同程度的速度進展。
上述步驟S3之後,控制裝置9,檢查步驟S2~S3是否已實施設定次數(步驟S4)。實施次數未達到設定次數之情況(步驟S4,NO),由於SiO膜W2的蝕刻量未達到目標值,故如圖4(A)及圖4(B)所示,再度實施步驟S2~S3。
另一方面,實施次數達到設定次數之情況(步驟S4,YES),SiO膜W2的蝕刻量達到目標值。因而,搬運裝置38,將基板W從蝕刻裝置33取出,往傳送裝置34搬運。而後,搬出入站2之搬運裝置24,將基板W從傳送裝置34取出,將基板W收納於載置台20上的匣盒C。其後,控制裝置9,結束本次之處理。
實施步驟S2~S3的次數,雖亦可為1次,但宜為複數次。此係因保護膜W5因氫氟酸而緩緩地蝕刻,緩緩地消失的緣故。若重複實施步驟S2~S3,則可在途中補充保護膜W5(參考圖4(A)),可阻擋SiN膜W1的蝕刻,並將SiO膜W2的蝕刻量增大。
另,本實施形態,使用保護膜形成裝置32與蝕刻裝置33,但亦可使用兼作為其雙方之液體處理裝置。液體處理裝置,與圖9所示之保護膜形成裝置32同樣地構成,對基板的表面Wa,供給包含SAM劑之液體、及包含氫氟酸之液體。
接著,參考圖5,針對實驗例1-1及1-2之結果予以說明。在實驗例1-1及1-2,作為基板W,準備包含矽晶圓與SiOC膜者。SiOC膜,係藉由CVD(Chemical Vapor Deposition)法,於矽晶圓上成膜。
在實驗例1-1,並未實施步驟S1及S2,僅實施步驟S3。在步驟S3,使用稀氫氟酸(DHF)蝕刻SiOC膜,測定其蝕刻量。稀氫氟酸,HF:H
2O(體積比)為1:100。稀氫氟酸,作為液體供給。蝕刻時間為1分鐘。於圖5顯示2片基板之處理結果。
另一方面,在實驗例1-2,於實施步驟S1後,並未實施步驟S2,而實施步驟S3。步驟S3之處理條件,如同實驗例1-1所說明。在步驟S1,將SiOC膜暴露於氧電漿。其處理條件如下。
O
2氣體之流量:800sccm
電漿生成用之電源頻率:13.56MHz
電漿生成用之電力:2500W
處理時間:120秒。
如同將圖5所示的實驗例1-1之結果、與同樣圖5所示的實驗例1-2之結果比較而得知,若於蝕刻(步驟S3)之前,實施氧電漿處理(步驟S1),則SiOC膜的蝕刻速度變快。
接著,參考圖6,針對實驗例2-1及2-2之結果予以說明。在實驗例2-1及2-2,和實驗例1-1等同樣地,作為基板W,準備包含矽晶圓與SiOC膜者。在實驗例2-1及2-2,和實驗例1-1等不同,為了實施保護膜W5的形成,準備TMSDMA作為SAM劑。
在實驗例2-1,將保護膜的形成(步驟S2)、氧電漿處理(步驟S1)、蝕刻(步驟S3)以上述順序實施。TMSDMA,以原液(TMSDMA的含有量100體積%)之狀態,藉由旋塗法供給。步驟S1之處理條件與步驟S3之處理條件,和實驗例1-2相同。然則,蝕刻之處理時間,準備1分鐘與2分鐘兩種。
如同將圖6所示的實驗例2-1之結果,與圖5所示的實驗例1-2之結果比較而得知,即便於步驟S1之前實施步驟S2,仍無法減緩步驟S3中之SiOC膜的蝕刻速度。發明人推定係保護膜因氧電漿處理而分解之緣故。另,圖6所示的實驗例2-1中,處理時間在1分鐘與2分鐘幾乎不具有蝕刻量的差異,係因氧電漿所造成之蝕刻速度的增大限定在表面附近的緣故。
另一方面,在實驗例2-2中,和實驗例2-1,除了交換SAM劑的供給(步驟S2)與氧電漿處理(步驟S1)之順序以外,以相同處理條件處理基板。
如同將圖6所示的實驗例2-2之結果,與同樣圖6所示的實驗例2-1之結果比較而得知,若於步驟S1之後實施步驟S2,則可減緩步驟S3中之SiOC膜的蝕刻速度。特別是,若使蝕刻之處理時間為1分鐘程度,則SiOC膜幾乎未受到蝕刻。
接著,參考圖7,針對實驗例3-1及3-2之結果予以說明。在實驗例3-1及3-2,和實驗例1-1等同樣地,作為基板W,準備包含矽晶圓與SiOC膜者。在實驗例3-1及3-2,和實驗例1-1等不同,為了實施保護膜W5的形成,準備Butyl-DS作為SAM劑。
在實驗例3-1,將保護膜的形成(步驟S2)、氧電漿處理(步驟S1)、蝕刻(步驟S3)以上述順序實施。Butyl-DS,以原液(Butyl-DS的含有量100體積%)之狀態,藉由旋塗法供給。步驟S1之處理條件與步驟S3之處理條件,和實驗例1-2相同。然則,蝕刻之處理時間,準備1分鐘與2分鐘兩種。
如同將圖7所示的實驗例3-1之結果,與圖5所示的實驗例1-2之結果比較而得知,即便於步驟S1之前實施步驟S2,仍無法減緩步驟S3中之SiOC膜的蝕刻速度。推定係保護膜因氧電漿處理而分解之緣故。
另一方面,在實驗例3-2,和實驗例3-1,除了交換SAM劑的供給(步驟S2)與氧電漿處理(步驟S1)之順序以外,以相同處理條件處理基板。
如同將圖7所示的實驗例3-2之結果,與同樣圖7所示的實驗例3-1之結果比較而得知,若於步驟S1之後實施步驟S2,則可減緩步驟S3中之SiOC膜的蝕刻速度。特別是,若使蝕刻之處理時間為1分鐘程度,則SiOC膜幾乎未受到蝕刻。
接著,參考圖8,針對實驗例4-1及4-2之結果予以說明。在實驗例4-1及4-2,和實驗例1-1等同樣地,作為基板W,準備包含矽晶圓與SiOC膜者。在實驗例4-1及4-2,和實驗例1-1等不同,為了實施保護膜W5的形成,準備Octadecyl-DS作為SAM劑。
在實驗例4-1,將保護膜的形成(步驟S2)、氧電漿處理(步驟S1)、蝕刻(步驟S3)以上述順序實施。Octadecyl-DS,以原液(Octadecyl-DS的含有量100體積%)之狀態,藉由旋塗法供給。步驟S1之處理條件與步驟S3之處理條件,和實驗例1-2相同。然則,蝕刻之處理時間,準備1分鐘、2分鐘、3分鐘三種。
如同將圖8所示的實驗例4-1之結果,與圖5所示的實驗例1-2之結果比較而得知,即便於步驟S1之前實施步驟S2,仍無法減緩步驟S3中之SiOC膜的蝕刻速度。推定係保護膜因氧電漿處理而分解之緣故。
另一方面,在實驗例4-2中,和實驗例4-1,除了交換SAM劑的供給(步驟S2)與氧電漿處理(步驟S1)之順序以外,以相同處理條件處理基板。
如同將圖8所示的實驗例4-2之結果,與同樣圖8所示的實驗例4-1之結果比較而得知,若於步驟S1之後實施步驟S2,則可減緩步驟S3中之SiOC膜的蝕刻速度。特別是,若使蝕刻之處理時間為1分鐘~2分鐘程度,則SiOC膜幾乎未受到蝕刻。
上述實驗例,雖針對SiOC膜進行說明,但在SiOC膜以外的Low-k膜及SiN膜,亦可獲得同樣結果。亦即,可使因氧電漿處理而變快的蝕刻速度,藉由SAM劑的供給而變慢。其結果,可選擇性地蝕刻SiO膜。
接著,參考圖9,針對保護膜形成裝置32的一例予以說明。保護膜形成裝置32,例如為旋轉塗布機。保護膜形成裝置32,例如具備處理容器51、氣體供給機構52、卡盤53、卡盤驅動機構54、液體供給機構55、及回收杯56。處理容器51,收納基板W。氣體供給機構52,往處理容器51之內部供給氣體。卡盤53,於處理容器51之內部保持基板W。卡盤驅動機構54,使卡盤53旋轉。液體供給機構55,對藉由卡盤53保持的基板W供給液體。回收杯56,將從旋轉的基板W甩飛之液體回收。
卡盤53,例如,使基板W的形成有保護膜W5之表面Wa朝上,水平地保持基板W。卡盤53,在圖1為機械式卡盤,但亦可為真空吸盤或靜電吸盤等。
卡盤驅動機構54,使卡盤53旋轉。卡盤53之旋轉軸53a,呈鉛直地配置。以基板表面Wa之中心與卡盤53之旋轉中心線呈一致的方式,使卡盤53保持基板W。
液體供給機構55,具備噴吐液體的噴嘴55a。噴嘴55a,對藉由卡盤53保持的基板W,從上方噴吐液體。液體,往旋轉的基板W之徑方向中心供給,藉由離心力而往基板W之徑方向全體擴散,形成液膜。噴嘴55a之數量為1個以上。可使複數個噴嘴55a噴吐複數種液體,亦可使1個噴嘴55a噴吐複數種液體。
液體供給機構55,雖未圖示,但於每種液體,具備向噴嘴55a供給液體的供給流路。此外,液體供給機構55,於每種液體,在其供給流路之途中,具備開閉閥及流量控制器。開閉閥,將供給流路開啟關閉。流量控制器,控制流量。
此外,液體供給機構55,具備使噴嘴55a移動之噴嘴驅動部55b。噴嘴驅動部55b,使噴嘴55a沿和卡盤53的旋轉中心線正交之水平方向移動。此外,噴嘴驅動部55b,亦可使噴嘴55a沿鉛直方向移動。在使噴嘴55a對基板表面Wa噴吐液體之際,噴嘴驅動部55b,亦可使噴嘴55a沿基板表面Wa之徑方向移動。
液體供給機構55,具備收納有噴嘴55a的噴吐口之噴嘴槽55c。噴嘴55a的噴吐口,對基板表面Wa噴吐液體後,收納於噴嘴槽55c。噴嘴55a之數量為複數個的情況,於每一噴嘴55a設置噴嘴槽55c。
液體供給機構55,具備往噴嘴槽55c之內部供給乾燥空氣或惰性氣體的氣體供給部55d。氣體供給部55d,至少設置於SAM劑用的噴嘴槽55c。乾燥空氣或惰性氣體,吹掃殘留在噴嘴槽55c之內部的水蒸氣。其結果,於噴嘴55a之內部,可防止SAM劑因水蒸氣而固形化。惰性氣體,例如為N
2氣體。SAM劑為Octadecyl-DS或Butyl-DS的情況,宜設置氣體供給部55d。另一方面,SAM劑為TMSDMA的情況,亦可不具有氣體供給部55d。
回收杯56,收納藉由卡盤53保持的基板W,回收從旋轉的基板W甩飛之液體。於回收杯56之底部,設置排液管57與排氣管58。排液管57,將貯存在回收杯56之內部的液體排出。此外,排氣管58,將回收杯56之內部的氣體排出。
接著,參考圖10,針對使用保護膜形成裝置32的圖2之步驟S2的一例予以說明。如圖10所示,步驟S2,例如,包含步驟S21~S26。步驟S21~S26,在控制裝置9的控制下實施。若處理站3之搬運裝置38將基板W往保護膜形成裝置32搬入,使卡盤53保持基板W,則開始圖10所示之處理。另,步驟S2,至少包含步驟S23即可。
首先,氣體供給機構52,往處理容器51之內部供給乾燥氣體或惰性氣體,吹掃殘留在處理容器51之內部的水蒸氣(步驟S21)。惰性氣體,例如為N
2氣體。藉由在SAM劑的供給前先吹掃水蒸氣,而可防止水蒸氣所造成之SAM劑的固形化。SAM劑為Octadecyl-DS的情況,宜實施步驟S21。另一方面,SAM劑為TMSDMA或Butyl-DS的情況,亦可不施行步驟S21。
接著,液體供給機構55,對基板表面Wa供給IPA等有機溶劑(步驟S22)。藉由在SAM劑的供給前先供給有機溶劑,而可提高SAM劑與基板表面Wa的密接性。在步驟S22使用之有機溶劑,包含IPA、丙酮、二丁醚、環己烷、乙酸乙酯、乙酸丁酯、乙酸丙酯、或PGMEA(丙二醇甲醚醋酸酯)。
接著,液體供給機構55,對基板的表面Wa供給包含SAM劑之液體(步驟S23)。SAM劑,溶於溶媒,作為溶液供給。藉由將SAM劑以溶媒稀釋,而可減少SAM劑之使用量。溶液中的SAM劑之濃度,例如為1體積%~20體積%。將係SAM之保護膜W5,形成在SiN膜W1的表面。保護膜W5,亦形成在SiO膜W2的表面。
接著,液體供給機構55,對基板表面Wa供給PGMEA等有機溶劑(步驟S24)。其結果,可將未化學吸附在基板表面Wa之剩餘的SAM劑去除。在步驟S24,作為有機溶劑,使用未包含OH基者。此係因IPA等包含OH基之有機溶劑,與未化學吸附在基板表面Wa之SAM劑反應的緣故。發明人亦認為由於此一反應而產生微粒。若使用未包含OH基之有機溶劑,則亦可抑制微粒的產生。未包含OH基之有機溶劑,例如使用酮類、酯類、或醚類等。未包含OH基之有機溶劑,例如包含丙酮、二丁醚、環己烷、乙酸乙酯、乙酸丁酯、乙酸丙酯、或PGMEA。
接著,液體供給機構55,對基板表面Wa供給IPA等有機溶劑(步驟S25)。在此步驟S25使用之有機溶劑,使用較在步驟S24使用之有機溶劑具有更高的揮發性者。若沸點越低,則揮發性越高。藉由使用具有高揮發性之有機溶劑,而可促進基板W之乾燥。
接著,卡盤驅動機構54,使基板W與卡盤53一同旋轉,藉由離心力將有機溶劑等液體從基板W甩飛,使基板W乾燥(步驟S26)。在步驟S26,液體供給機構55,亦可從噴嘴55a噴吐有機溶劑,並使噴嘴55a往基板表面Wa之徑方向外方移動。基板表面Wa之從有機溶劑露出的區域,由基板表面Wa的中心往邊緣緩緩地擴展。
另,本實施形態,於基板W的乾燥(步驟S26),使用保護膜形成裝置32,但亦可使用與保護膜形成裝置32不同之裝置,例如超臨界乾燥裝置。此一情況,基板W,在基板表面Wa承載有機溶劑之液膜的狀態下,往超臨界乾燥裝置搬運。而後,超臨界乾燥裝置,將覆蓋基板表面Wa之有機溶劑的液膜置換為超臨界流體,使基板W乾燥。
另,本實施形態之保護膜形成裝置32為旋轉塗布機,可為單片式,亦可為批次式。批次式之保護膜形成裝置32,具備貯存液體之處理槽等,將複數片基板W同時浸漬於液體,同時處理複數片基板。
以上,針對本發明之基板處理方法及基板處理裝置的實施形態進行說明,但本發明並未限定為上述實施形態等。在發明申請專利範圍所記載之範疇內,可進行各種變更、修正、置換、附加、刪除、及組合。關於其等,自然亦屬於本發明之技術的範圍。
1:基板處理裝置
2:搬出入站
20:載置台
21:載置板
23:搬運部
24:搬運裝置
3:處理站
31:電漿處理裝置
32:保護膜形成裝置
33:蝕刻裝置
34:傳送裝置
38:搬運裝置
51:處理容器
52:氣體供給機構
53:卡盤
53a:旋轉軸
54:卡盤驅動機構
55:液體供給機構
55a:噴嘴
55b:噴嘴驅動部
55c:噴嘴槽
55d:氣體供給部
56:回收杯
57:排液管
58:排氣管
9:控制裝置
91:CPU(Central Processing Unit,中央處理器)
92:記錄媒體
C:匣盒
G1:第1處理區塊
G2:第2處理區塊
G3:第3處理區塊
G4:搬運區塊
W:基板
Wa:表面
W1:SiN膜
W2:SiO膜
W3:金屬膜
W4:阻障膜
W5:保護膜
S1~S4:步驟
圖1係顯示一實施形態之基板處理裝置的俯視圖。
圖2係顯示一實施形態之基板處理方法的流程圖。
圖3(A)係顯示圖2之步驟S1中的基板之一例的剖面圖,圖3(B)係顯示圖2之步驟S2中的基板之一例的剖面圖,圖3(C)係顯示圖2之步驟S3中的基板之一例的剖面圖。
圖4(A)係顯示第2次之步驟S2中的基板之一例的剖面圖,圖4(B)係顯示第2次之步驟S3中的基板之一例的剖面圖。
圖5係顯示實驗例1-1及1-2之結果的圖。
圖6係顯示實驗例2-1及2-2之結果的圖。
圖7係顯示實驗例3-1及3-2之結果的圖。
圖8係顯示實驗例4-1及4-2之結果的圖。
圖9係顯示保護膜形成裝置的一例之剖面圖。
圖10係顯示圖2之步驟S2的一例之流程圖。
S1~S4:步驟
Claims (14)
- 一種基板處理方法,包含如下步驟: 基板準備步驟,準備基板,該基板具有使暴露於氧電漿之Low-k膜或SiN膜、與SiO膜露出的表面; 保護膜形成步驟,對該基板的該表面供給形成自組裝單分子膜(Self-Assembled Monolayer, SAM)之有機化合物(SAM劑),於該Low-k膜或該SiN膜形成保護膜;以及 SiO膜蝕刻步驟,對該基板的該表面供給氫氟酸,利用該保護膜阻擋因該氫氟酸而產生之該Low-k膜或該SiN膜的蝕刻,並蝕刻該SiO膜。
- 如請求項1之基板處理方法,其中, 該保護膜形成步驟,包含如下步驟:對該基板的該表面供給包含該SAM劑之液體。
- 如請求項2之基板處理方法,其中, 該保護膜形成步驟,包含如下步驟:對該基板的該表面,依序供給包含該SAM劑之液體、與有機溶劑。
- 如請求項3之基板處理方法,其中, 該保護膜形成步驟,包含如下步驟:對該基板的該表面,在供給包含該SAM劑之液體後、且在供給該有機溶劑前,供給與該有機溶劑不同之第2有機溶劑; 該有機溶劑,具有較該第2有機溶劑更高的揮發性; 該第2有機溶劑,未包含OH基。
- 如請求項4之基板處理方法,其中, 該第2有機溶劑,包含丙酮、二丁醚、環己烷、乙酸乙酯、乙酸丁酯、乙酸丙酯、或PGMEA(丙二醇甲醚醋酸酯)。
- 如請求項2至5中任一項之基板處理方法,其中, 該保護膜形成步驟,包含如下步驟:對於該基板的該表面,在供給包含該SAM劑之液體前,先供給有機溶劑。
- 如請求項6之基板處理方法,其中, 較包含該SAM劑之液體更早對於該基板的該表面供給之有機溶劑,包含IPA、丙酮、二丁醚、環己烷、乙酸乙酯、乙酸丁酯、乙酸丙酯、或PGMEA(丙二醇甲醚醋酸酯)。
- 如請求項2至5中任一項之基板處理方法,更包含如下步驟: 將噴吐包含該SAM劑之液體的噴嘴之噴吐口,收納於噴嘴槽的內部;以及 往該噴嘴槽的內部,供給乾燥空氣或惰性氣體。
- 如請求項2至5中任一項之基板處理方法,其中, 該保護膜形成步驟,包含如下步驟:往收納該基板的處理容器之內部,供給乾燥空氣或惰性氣體。
- 如請求項1至5中任一項之基板處理方法,其中, 將該保護膜形成步驟、及該SiO膜蝕刻步驟,重複進行設定次數。
- 如請求項1至5中任一項之基板處理方法,其中, 該SAM劑,包含(三甲矽基)二甲胺、丁基二甲基矽烷、十八烷基二甲基矽烷、三乙基矽烷、或十八烷基二異丁基矽烷。
- 如請求項1至5中任一項之基板處理方法,其中, 該Low-k膜,包含SiOC膜、SiOCH膜、HSQ(氫倍半矽氧烷)膜、MSQ(甲基倍半矽氧烷)膜、或PAE(聚烯丙基醚)膜。
- 一種基板處理裝置,包含: 保護膜形成裝置,對基板的表面供給SAM劑,於Low-k膜或SiN膜形成保護膜; 蝕刻裝置,對該基板的該表面供給氫氟酸,利用該保護膜阻擋因該氫氟酸而產生之該Low-k膜或該SiN膜的蝕刻,並蝕刻該SiO膜; 搬運裝置,於該保護膜形成裝置與該蝕刻裝置之間,搬運該基板;以及 控制裝置,控制該保護膜形成裝置、該蝕刻裝置、及該搬運裝置,實施如請求項1至5中任一項之基板處理方法。
- 一種基板處理裝置,包含: 液體處理裝置,對基板的表面,供給包含SAM劑之液體、與包含氫氟酸之液體;以及 控制裝置,控制該液體處理裝置,實施如請求項1至5中任一項之基板處理方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020175438 | 2020-10-19 | ||
JP2020-175438 | 2020-10-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW202220054A true TW202220054A (zh) | 2022-05-16 |
Family
ID=81289916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW110136967A TW202220054A (zh) | 2020-10-19 | 2021-10-05 | 基板處理方法及基板處理裝置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230386855A1 (zh) |
JP (1) | JP7446472B2 (zh) |
KR (1) | KR20230086779A (zh) |
CN (1) | CN116406476A (zh) |
TW (1) | TW202220054A (zh) |
WO (1) | WO2022085449A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023234368A1 (ja) * | 2022-06-02 | 2023-12-07 | セントラル硝子株式会社 | 基材の処理方法、および基材の製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8481423B2 (en) | 2007-09-19 | 2013-07-09 | International Business Machines Corporation | Methods to mitigate plasma damage in organosilicate dielectrics |
JP2009164198A (ja) * | 2007-12-28 | 2009-07-23 | Panasonic Corp | 半導体装置の製造方法 |
US8492170B2 (en) | 2011-04-25 | 2013-07-23 | Applied Materials, Inc. | UV assisted silylation for recovery and pore sealing of damaged low K films |
JP2013105909A (ja) * | 2011-11-14 | 2013-05-30 | Toshiba Corp | 半導体装置の製造方法 |
-
2021
- 2021-10-05 TW TW110136967A patent/TW202220054A/zh unknown
- 2021-10-06 JP JP2022557405A patent/JP7446472B2/ja active Active
- 2021-10-06 WO PCT/JP2021/036957 patent/WO2022085449A1/ja active Application Filing
- 2021-10-06 US US18/248,900 patent/US20230386855A1/en active Pending
- 2021-10-06 KR KR1020237016589A patent/KR20230086779A/ko unknown
- 2021-10-06 CN CN202180070217.8A patent/CN116406476A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20230386855A1 (en) | 2023-11-30 |
WO2022085449A1 (ja) | 2022-04-28 |
JPWO2022085449A1 (zh) | 2022-04-28 |
KR20230086779A (ko) | 2023-06-15 |
JP7446472B2 (ja) | 2024-03-08 |
CN116406476A (zh) | 2023-07-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100810163B1 (ko) | 반도체 장치의 제조 방법, 기판 처리 시스템 및 기록 매체 | |
JP5057647B2 (ja) | 半導体装置の製造方法および半導体装置の製造装置 | |
KR102541745B1 (ko) | 습식 에칭 방법, 기판 액처리 장치 및 기억 매체 | |
KR101940603B1 (ko) | 기판 처리 방법, 기판 처리 장치 및 기억 매체 | |
US9330926B2 (en) | Fabrication of a silicon structure and deep silicon etch with profile control | |
KR101049491B1 (ko) | 기판 처리 방법 및 컴퓨터 판독 가능한 기억 매체 | |
CN107437517B (zh) | 基板清洗方法、基板清洗系统以及存储介质 | |
JP5100057B2 (ja) | 半導体装置の製造方法 | |
US20210143001A1 (en) | Method of Manufacturing Semiconductor Device, Substrate Processing Apparatus and Non-transitory Computer-readable Recording Medium | |
JP4999419B2 (ja) | 基板処理方法および基板処理システム、ならびにコンピュータ読取可能な記憶媒体 | |
US20050233589A1 (en) | Processes for removing residue from a workpiece | |
JP6914111B2 (ja) | 基板処理方法、基板処理装置、基板処理システムおよび基板処理システムの制御装置 | |
US20170278698A1 (en) | Semiconductor Device Manufacturing Method and Semiconductor Device Manufacturing System | |
KR102493554B1 (ko) | 기판 처리 방법, 기판 처리 장치 및 기억 매체 | |
JP5544893B2 (ja) | 基板処理方法及び記憶媒体 | |
JP7446472B2 (ja) | 基板処理方法、及び基板処理装置 | |
JP6948840B2 (ja) | 基板処理方法および基板処理装置 | |
WO2023136200A1 (ja) | 基板処理方法および基板処理装置 | |
TW202010013A (zh) | 基板處理方法及基板處理裝置 | |
WO2024009849A1 (ja) | 基板処理方法、基板処理装置および記憶媒体 | |
JPH0621031A (ja) | 洗浄方法及びその洗浄装置 |