JP7160485B2 - 剥離方法 - Google Patents
剥離方法 Download PDFInfo
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- JP7160485B2 JP7160485B2 JP2019526504A JP2019526504A JP7160485B2 JP 7160485 B2 JP7160485 B2 JP 7160485B2 JP 2019526504 A JP2019526504 A JP 2019526504A JP 2019526504 A JP2019526504 A JP 2019526504A JP 7160485 B2 JP7160485 B2 JP 7160485B2
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- 238000000034 method Methods 0.000 title claims description 57
- 239000000203 mixture Substances 0.000 claims description 66
- 239000000758 substrate Substances 0.000 claims description 46
- 239000004065 semiconductor Substances 0.000 claims description 41
- 150000001875 compounds Chemical class 0.000 claims description 22
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 22
- 230000007797 corrosion Effects 0.000 claims description 13
- 238000005260 corrosion Methods 0.000 claims description 13
- 239000003112 inhibitor Substances 0.000 claims description 13
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 claims description 12
- 238000004090 dissolution Methods 0.000 claims description 11
- 239000004094 surface-active agent Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 125000001072 heteroaryl group Chemical group 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 6
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 6
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 claims description 6
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 claims description 6
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 claims description 6
- 150000003852 triazoles Chemical class 0.000 claims description 6
- 239000012964 benzotriazole Substances 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000009832 plasma treatment Methods 0.000 claims description 2
- 150000003536 tetrazoles Chemical group 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 125000004429 atom Chemical group 0.000 claims 1
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 54
- 229920000642 polymer Polymers 0.000 description 13
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 12
- -1 tetrazole compounds Chemical class 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 8
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 8
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 8
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 8
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 235000012431 wafers Nutrition 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 5
- 239000007822 coupling agent Substances 0.000 description 5
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229940116333 ethyl lactate Drugs 0.000 description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WXTMDXOMEHJXQO-UHFFFAOYSA-N 2,5-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC(O)=CC=C1O WXTMDXOMEHJXQO-UHFFFAOYSA-N 0.000 description 3
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 125000005210 alkyl ammonium group Chemical group 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 239000002738 chelating agent Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 125000001453 quaternary ammonium group Chemical group 0.000 description 3
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 3
- CQRYARSYNCAZFO-UHFFFAOYSA-N salicyl alcohol Chemical compound OCC1=CC=CC=C1O CQRYARSYNCAZFO-UHFFFAOYSA-N 0.000 description 3
- 229940048842 sodium xylenesulfonate Drugs 0.000 description 3
- QUCDWLYKDRVKMI-UHFFFAOYSA-M sodium;3,4-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1C QUCDWLYKDRVKMI-UHFFFAOYSA-M 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- KJUGUADJHNHALS-UHFFFAOYSA-N 1H-tetrazole Chemical compound C=1N=NNN=1 KJUGUADJHNHALS-UHFFFAOYSA-N 0.000 description 2
- JLVSRWOIZZXQAD-UHFFFAOYSA-N 2,3-disulfanylpropane-1-sulfonic acid Chemical compound OS(=O)(=O)CC(S)CS JLVSRWOIZZXQAD-UHFFFAOYSA-N 0.000 description 2
- UIAFKZKHHVMJGS-UHFFFAOYSA-N 2,4-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1O UIAFKZKHHVMJGS-UHFFFAOYSA-N 0.000 description 2
- YCCILVSKPBXVIP-UHFFFAOYSA-N 2-(4-hydroxyphenyl)ethanol Chemical compound OCCC1=CC=C(O)C=C1 YCCILVSKPBXVIP-UHFFFAOYSA-N 0.000 description 2
- HCLJOFJIQIJXHS-UHFFFAOYSA-N 2-[2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOCCOC(=O)C=C HCLJOFJIQIJXHS-UHFFFAOYSA-N 0.000 description 2
- URDCARMUOSMFFI-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(2-hydroxyethyl)amino]acetic acid Chemical compound OCCN(CC(O)=O)CCN(CC(O)=O)CC(O)=O URDCARMUOSMFFI-UHFFFAOYSA-N 0.000 description 2
- UYEMGAFJOZZIFP-UHFFFAOYSA-N 3,5-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC(O)=CC(O)=C1 UYEMGAFJOZZIFP-UHFFFAOYSA-N 0.000 description 2
- CWLKGDAVCFYWJK-UHFFFAOYSA-N 3-aminophenol Chemical compound NC1=CC=CC(O)=C1 CWLKGDAVCFYWJK-UHFFFAOYSA-N 0.000 description 2
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- ZUQAPLKKNAQJAU-UHFFFAOYSA-N acetylenediol Chemical class OC#CO ZUQAPLKKNAQJAU-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- UJMDYLWCYJJYMO-UHFFFAOYSA-N benzene-1,2,3-tricarboxylic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1C(O)=O UJMDYLWCYJJYMO-UHFFFAOYSA-N 0.000 description 2
- GGNQRNBDZQJCCN-UHFFFAOYSA-N benzene-1,2,4-triol Chemical compound OC1=CC=C(O)C(O)=C1 GGNQRNBDZQJCCN-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 238000004299 exfoliation Methods 0.000 description 2
- 150000004673 fluoride salts Chemical class 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 description 2
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- BVJSUAQZOZWCKN-UHFFFAOYSA-N p-hydroxybenzyl alcohol Chemical compound OCC1=CC=C(O)C=C1 BVJSUAQZOZWCKN-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- ILVGAIQLOCKNQA-UHFFFAOYSA-N propyl 2-hydroxypropanoate Chemical compound CCCOC(=O)C(C)O ILVGAIQLOCKNQA-UHFFFAOYSA-N 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 229940079842 sodium cumenesulfonate Drugs 0.000 description 2
- QEKATQBVVAZOAY-UHFFFAOYSA-M sodium;4-propan-2-ylbenzenesulfonate Chemical compound [Na+].CC(C)C1=CC=C(S([O-])(=O)=O)C=C1 QEKATQBVVAZOAY-UHFFFAOYSA-M 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- ACTRVOBWPAIOHC-UHFFFAOYSA-N succimer Chemical compound OC(=O)C(S)C(S)C(O)=O ACTRVOBWPAIOHC-UHFFFAOYSA-N 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- LJRDOKAZOAKLDU-UDXJMMFXSA-N (2s,3s,4r,5r,6r)-5-amino-2-(aminomethyl)-6-[(2r,3s,4r,5s)-5-[(1r,2r,3s,5r,6s)-3,5-diamino-2-[(2s,3r,4r,5s,6r)-3-amino-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6-hydroxycyclohexyl]oxy-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxyoxane-3,4-diol;sulfuric ac Chemical compound OS(O)(=O)=O.N[C@@H]1[C@@H](O)[C@H](O)[C@H](CN)O[C@@H]1O[C@H]1[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](N)C[C@@H](N)[C@@H]2O)O[C@@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)N)O[C@@H]1CO LJRDOKAZOAKLDU-UDXJMMFXSA-N 0.000 description 1
- MEJYDZQQVZJMPP-ULAWRXDQSA-N (3s,3ar,6r,6ar)-3,6-dimethoxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan Chemical compound CO[C@H]1CO[C@@H]2[C@H](OC)CO[C@@H]21 MEJYDZQQVZJMPP-ULAWRXDQSA-N 0.000 description 1
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 description 1
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- NHAZGSRLKBTDBF-UHFFFAOYSA-N 1,2,4-triazol-1-amine Chemical compound NN1C=NC=N1 NHAZGSRLKBTDBF-UHFFFAOYSA-N 0.000 description 1
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 1
- AZUYLZMQTIKGSC-UHFFFAOYSA-N 1-[6-[4-(5-chloro-6-methyl-1H-indazol-4-yl)-5-methyl-3-(1-methylindazol-5-yl)pyrazol-1-yl]-2-azaspiro[3.3]heptan-2-yl]prop-2-en-1-one Chemical compound ClC=1C(=C2C=NNC2=CC=1C)C=1C(=NN(C=1C)C1CC2(CN(C2)C(C=C)=O)C1)C=1C=C2C=NN(C2=CC=1)C AZUYLZMQTIKGSC-UHFFFAOYSA-N 0.000 description 1
- CNJRPYFBORAQAU-UHFFFAOYSA-N 1-ethoxy-2-(2-methoxyethoxy)ethane Chemical compound CCOCCOCCOC CNJRPYFBORAQAU-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- AFBBKYQYNPNMAT-UHFFFAOYSA-N 1h-1,2,4-triazol-1-ium-3-thiolate Chemical compound SC=1N=CNN=1 AFBBKYQYNPNMAT-UHFFFAOYSA-N 0.000 description 1
- LTMRRSWNXVJMBA-UHFFFAOYSA-N 2,2-diethylpropanedioic acid Chemical compound CCC(CC)(C(O)=O)C(O)=O LTMRRSWNXVJMBA-UHFFFAOYSA-N 0.000 description 1
- PCAXITAPTVOLGL-UHFFFAOYSA-N 2,3-diaminophenol Chemical compound NC1=CC=CC(O)=C1N PCAXITAPTVOLGL-UHFFFAOYSA-N 0.000 description 1
- 229940006190 2,3-dimercapto-1-propanesulfonic acid Drugs 0.000 description 1
- LXOFYPKXCSULTL-UHFFFAOYSA-N 2,4,7,9-tetramethyldec-5-yne-4,7-diol Chemical compound CC(C)CC(C)(O)C#CC(C)(O)CC(C)C LXOFYPKXCSULTL-UHFFFAOYSA-N 0.000 description 1
- OVJGYUVBHOVELE-UHFFFAOYSA-N 2,5-dimethylhex-3-yne Chemical compound CC(C)C#CC(C)C OVJGYUVBHOVELE-UHFFFAOYSA-N 0.000 description 1
- 229960001406 2,5-dimethylisosorbide Drugs 0.000 description 1
- FPZWZCWUIYYYBU-UHFFFAOYSA-N 2-(2-ethoxyethoxy)ethyl acetate Chemical compound CCOCCOCCOC(C)=O FPZWZCWUIYYYBU-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
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- 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
- G03F7/40—Treatment after imagewise removal, e.g. baking
- G03F7/405—Treatment with inorganic or organometallic reagents after imagewise removal
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
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- G—PHYSICS
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- 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
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- G03F7/004—Photosensitive materials
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- G03F7/168—Finishing the coated layer, e.g. drying, baking, soaking
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- G03F7/42—Stripping or agents therefor
- G03F7/427—Stripping or agents therefor using plasma means only
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- 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
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- 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
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- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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Description
R1は、水素、置換又は非置換のC1~C12の直鎖状又は分岐状アルキル、置換又は非置換のC5~C12のシクロアルキル又はヘテロシクロアルキル、及び置換又は非置換のC5~C12のアリール又はヘテロアリールからなる群より選択され;
R2~R5は、それぞれ独立して、水素、ハロゲン、置換又は非置換のC1~C12の直鎖状又は分岐状アルキル、置換又は非置換のC5~C12のシクロアルキル又はヘテロシクロアルキル、及び置換又は非置換のC5~C12のアリール又はヘテロアリールからなる群より選択されるか、R2~R5のうち隣接する2つの基(例えば、R2とR3、R3とR4、若しくはR4とR5)が、それらが結合する環中の炭素原子と共に6員環を形成する。
ポリマー(Poly-1)
NMP(2206g)中の5(6)-アミノ-1-(4-アミノフェニル)-1,3,3-トリメチルインダン(DAPI)(218.4g)溶液に、固体の4,4’-(ヘキサフルオロイソプロピリデン)無水ジフタル酸(6FDA)(334.0g)を室温で加えた。更にNMP(816g)を用いて、二無水物をリンスして溶液とした。反応温度を60℃に上昇させ、混合物を3.5時間反応させた。次に、無水酢酸(125.7g)及びピリジン(49.5g)を加えた。反応温度を100℃に上昇させた後、混合物を12時間反応させた。次いで、反応混合物を室温に冷却し、等体積のTHFで希釈した。希釈溶液をゆっくりと水(10×)に加えて、粗ポリマーを沈殿させた。粗ポリマーを真空濾過により単離し、水で洗浄した。粗湿潤ポリマーをメタノールでスラリー化させ、真空濾過により回収し、45℃で終夜真空乾燥させた。
第1の層にコーティングするための調合物(F-1)
機械的撹拌器を備えた3首丸底フラスコに、PGMEAを20部、PGMEを8部、Lucite International製のポリマー(Elvacite4412-ポリ(メタクリル酸メチル-co-ヒドロキシプロピルメタクリレート))を16部、King Industries製のTAG-2168Eを2.4部(PGME中25%)、powderlink 1174を3部、Arch Chemical製のポリT-305を4部加えた。組成物を18時間機械的に撹拌した。次いでこの組成物を、5μmフィルターを用いて濾過した。
乾燥膜を形成するための調合物(F-2)
機械的撹拌器を備えた3首丸底フラスコに、シクロペンタノンを300部、合成例1で得られたポリマー(Poly-1)を100部、3-(メタクリロイルオキシ)プロピルトリメトキシシランを5部、NCI-831(ADEKA corporationから入手可能)を3部、テトラエチレングリコールジアクリレートを31.75部、ペンタエリスリトールトリクリレートを11.25部加えた。組成物を18時間機械的に撹拌した。次いでこの組成物を、0.2μmフィルター(Meissner Filtration Product,Inc.製、Ultradyne)を用いて濾過した。
濾過した感光性溶液(F-2)を、Frontier Industrial Technologies(Towanda、PA)製のスロットダイコーターを用いて5フィート/分(150cm/分)のライン速度で、キャリア基板としての厚み36μmのポリエチレンテレフタレート(PET)膜TA 30(Toray Plastics America,Inc.製)上に塗布し、華氏180~200度で乾燥させて厚み15ミクロンのポリマー層(DF-1)を得た。このポリマー層上に、ロール圧縮により二軸延伸ポリプロピレン(BOPP)膜(IMPEX GLOBAL LLC製、商品名80ga BOPP)を積層し保護層とした。
銅構造物を含む4インチウェハに調合物(F-1)をコーティングし、続いて2段階ソフトベークプロセス(90℃で3分間、130℃で3分間)を行って20μmの膜を得る。次いで、膜を30分間、160℃で熱硬化させて、高度に架橋された層を形成する。
剥離によりDF-1の保護層を除去した後、乾燥膜構造物(6インチ×6インチ)であるポリマー層を、高度架橋層(HCL-1)を含む4インチウェハ上に配置する。高度架橋層(HCL-1)上に、80℃で減圧積層によりポリマー層を積層し、続いて25psiの圧力をかける。積層プロセスは、OPTEK,NJ製のDPL-24A差圧ラミネーターを使用することにより行われる。
積層乾燥膜(L-1)を、マスクを用いて150 mJ/cm2の線量で365nm(i線源)に露光し、種々のライン/スペース及びコンタクトホールフィーチャをプリントする。続いてこれを、シクロペンタノンを用いて現像する。続いて膜を120℃で30分間、真空下でベークする。
上記の2層からなる膜スタックを有するウェハを、1インチ×2インチに裁断し、4.78%のTMAH、94.87%の脱イオン水、及び0.35%の1H-テトラゾールを含有する300mlの水性剥離溶液が入った600mlビーカー中に垂直に配置する。ビーカーの内容物を、マグネチックバーを用いて75℃で撹拌する。温度は、温度コントローラを用いることにより一定に維持する。30分後、ウェハ片を取り出し、直ちに水でリンスし、窒素パージにより乾燥させる。剥離の有効性は金スパッタリング後に、光学顕微鏡及びSEM(Scanning Electron Microscope)を用いることにより決定する。膜厚減少の程度は、残った膜の厚みを、Dektakプロファイリングメーターを用いて測定することにより決定する。
[付記]
本開示は下記の態様<1>~<19>も含む。
<1>
パターニングされた半導体基板上の有機膜を剥離する方法であって:
有機膜を水性剥離組成物で処理して、前記有機膜を一工程で除去することを含み;
前記有機膜は少なくとも第1の層及び第2の層を有し、
前記第1の層は、現像液中の25℃での溶解速度が約0.01μm/分以下であり、
前記第2の層は、前記現像液中の25℃での溶解速度が約0.01μm/分超である、
方法。
<2>
前記第1の層は架橋されている、<1>に記載の方法。
<3>
前記パターニングされた半導体基板は、約5ミクロン以下のフィーチャサイズを有する少なくとも1つの要素を含む、<1>に記載の方法。
<4>
前記パターニングされた半導体基板は、約200ミクロン以下の距離互いに離れた2つのパターンを有する、<1>に記載の方法。
<5>
前記パターニングされた半導体基板は2つのパターン群を含み、前記2つの群は約100ミリメートル以下の距離互いに離れている、<1>に記載の方法。
<6>
前記処理工程の後、前記有機膜の残留物が実質的に残らない、<1>に記載の方法。
<7>
前記処理工程の後、前記有機膜の残留物の厚みが元の膜厚の約5%未満である、<1>に記載の方法。
<8>
前記処理工程の後、前記パターニングされた半導体基板にプラズマ処理を行うことを更に含む、<1>に記載の方法。
<9>
前記処理工程の後、前記パターニングされた半導体基板をリンス溶媒でリンスすることを更に含む、<1>に記載の方法。
<10>
前記リンス工程の後に、前記パターニングされた半導体基板を乾燥させることを更に含む、<9>に記載の方法。
<11>
前記パターニングされた半導体基板は金属を含む、<1>に記載の方法。
<12>
前記水性剥離組成物は:
前記組成物の約0.5~約25重量%の量のアルカリ性化合物;
前記組成物の約65~95重量%の量の水;
前記組成物の約0.1~約5重量%の量の腐食防止剤化合物;及び
前記組成物の0~約5重量%の量の界面活性剤、
を含む、<1>に記載の方法。
<13>
前記アルカリ性化合物は、水酸化テトラメチルアンモニウム(TMAH)、水酸化2-ヒドロキシルトリメチルアンモニウム、水酸化テトラエチルアンモニウム(TEAH)、水酸化テトラプロピルアンモニウム(TPAH)、水酸化テトラブチルアンモニウム(TBAH)、及びそれらの混合物からなる群より選択される、<12>に記載の方法。
<14>
前記腐食防止剤は、テトラゾール、トリアゾール、ベンゾトリアゾール、置換トリアゾール、又は置換ベンゾトリアゾールである、<12>に記載の方法。
<15>
前記腐食防止剤は、下記構造(I)で表される化合物である、<12>に記載の方法:
ここで:
R 1 は、水素、置換又は非置換のC 1 ~C 12 の直鎖状又は分岐状アルキル、置換又は非置換のC 5 ~C 12 のシクロアルキル又はヘテロシクロアルキル、及び置換又は非置換のC 5 ~C 12 のアリール又はヘテロアリールからなる群より選択され;
R 2 ~R 5 は、それぞれ独立して、水素、ハロゲン、置換又は非置換のC 1 ~C 12 の直鎖状又は分岐状アルキル、置換又は非置換のC 5 ~C 12 のシクロアルキル又はヘテロシクロアルキル、及び置換又は非置換のC 5 ~C 12 のアリール又はヘテロアリールからなる群より選択されるか、R 2 ~R 5 のうち隣接する2つの基が、それらが結合する環中の炭素原子と共に6員環を形成する。
<16>
前記腐食防止剤は、
を含む、<12>に記載の方法。
<17>
<1>~<16>のいずれか1つに記載の方法により形成された、三次元物体。
<18>
<17>に記載の前記三次元物体を含む、半導体デバイス。
<19>
集積回路、発光ダイオード、太陽電池、又はトランジスタである、<18>に記載の半導体デバイス。
Claims (18)
- パターニングされた半導体基板上の有機膜を剥離する方法であって:
有機膜を水性剥離組成物で処理して、前記有機膜を一工程で除去することを含み;
前記有機膜は少なくとも第1の層及び第2の層を有し、
前記第1の層は、現像液中の25℃での溶解速度が0.01μm/分以下であり、前記第1の層は架橋されており、
前記第2の層は、前記現像液中の25℃での溶解速度が0.01μm/分超である、
方法。 - 前記パターニングされた半導体基板は、5ミクロン以下のフィーチャサイズを有する少なくとも1つの要素を含む、請求項1に記載の方法。
- 前記パターニングされた半導体基板は、200ミクロン以下の距離互いに離れた2つのパターンを有する、請求項1又は請求項2に記載の方法。
- 前記パターニングされた半導体基板は2つのパターン群を含み、前記2つの群は100ミリメートル以下の距離互いに離れている、請求項1~請求項3のいずれか1項に記載の方法。
- 前記処理工程の後、前記有機膜の残留物が残らない、請求項1~請求項4のいずれか1項に記載の方法。
- 前記処理工程の後、前記有機膜の残留物の厚みが元の膜厚の5%未満である、請求項1~請求項5のいずれか1項に記載の方法。
- 前記処理工程の後、前記パターニングされた半導体基板にプラズマ処理を行うことを更に含む、請求項1~請求項6のいずれか1項に記載の方法。
- 前記処理工程の後、前記パターニングされた半導体基板をリンス溶媒でリンスすることを更に含む、請求項1~請求項7のいずれか1項に記載の方法。
- 前記リンス工程の後に、前記パターニングされた半導体基板を乾燥させることを更に含む、請求項8に記載の方法。
- 前記パターニングされた半導体基板は金属を含む、請求項1~請求項9のいずれか1項に記載の方法。
- 前記水性剥離組成物は:
前記組成物の0.5~25重量%の量のアルカリ性化合物;
前記組成物の65~95重量%の量の水;
前記組成物の0.1~5重量%の量の腐食防止剤化合物;及び
前記組成物の0~5重量%の量の界面活性剤、
を含む、請求項1~請求項10のいずれか1項に記載の方法。 - 前記アルカリ性化合物は、水酸化テトラメチルアンモニウム(TMAH)、水酸化2-ヒドロキシルトリメチルアンモニウム、水酸化テトラエチルアンモニウム(TEAH)、水酸化テトラプロピルアンモニウム(TPAH)、水酸化テトラブチルアンモニウム(TBAH)、及びそれらの混合物からなる群より選択される、請求項11に記載の方法。
- 前記腐食防止剤は、テトラゾール、トリアゾール、ベンゾトリアゾール、置換トリアゾール、又は置換ベンゾトリアゾールである、請求項11又は請求項12に記載の方法。
- 前記腐食防止剤は、下記構造(I)で表される化合物である、請求項11~請求項13のいずれか1項に記載の方法:
ここで:
R1は、水素、置換又は非置換のC1~C12の直鎖状又は分岐状アルキル、置換又は非置換のC5~C12のシクロアルキル又はヘテロシクロアルキル、及び置換又は非置換のC5~C12のアリール又はヘテロアリールからなる群より選択され;
R2~R5は、それぞれ独立して、水素、ハロゲン、置換又は非置換のC1~C12の直鎖状又は分岐状アルキル、置換又は非置換のC5~C12のシクロアルキル又はヘテロシクロアルキル、及び置換又は非置換のC5~C12のアリール又はヘテロアリールからなる群より選択されるか、R2~R5のうち隣接する2つの基が、それらが結合する環中の炭素原子と共に6員環を形成する。 - 請求項1~請求項15のいずれか1項に記載の方法により形成された、三次元物体。
- 請求項16に記載の前記三次元物体を含む、半導体デバイス。
- 集積回路、発光ダイオード、太陽電池、又はトランジスタである、請求項17に記載の半導体デバイス。
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