JP2022536763A - エッチング組成物 - Google Patents
エッチング組成物 Download PDFInfo
- Publication number
- JP2022536763A JP2022536763A JP2021573938A JP2021573938A JP2022536763A JP 2022536763 A JP2022536763 A JP 2022536763A JP 2021573938 A JP2021573938 A JP 2021573938A JP 2021573938 A JP2021573938 A JP 2021573938A JP 2022536763 A JP2022536763 A JP 2022536763A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- composition
- less
- carboxylic acid
- benzotriazole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 151
- 238000005530 etching Methods 0.000 title claims abstract description 104
- 239000004065 semiconductor Substances 0.000 claims abstract description 54
- 239000000758 substrate Substances 0.000 claims abstract description 48
- DLHSXQSAISCVNN-UHFFFAOYSA-M hydroxy(oxo)cobalt Chemical compound O[Co]=O DLHSXQSAISCVNN-UHFFFAOYSA-M 0.000 claims abstract 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 46
- -1 poly(4-styrenesulfonic acid) Polymers 0.000 claims description 37
- 239000002253 acid Substances 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 28
- 239000007800 oxidant agent Substances 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000002738 chelating agent Substances 0.000 claims description 13
- 239000003112 inhibitor Substances 0.000 claims description 13
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 13
- 239000012964 benzotriazole Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 12
- 150000007513 acids Chemical class 0.000 claims description 10
- 239000003002 pH adjusting agent Substances 0.000 claims description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000003960 organic solvent Substances 0.000 claims description 9
- 150000001298 alcohols Chemical class 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 claims description 7
- 150000002763 monocarboxylic acids Chemical class 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 150000003852 triazoles Chemical class 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 6
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 claims description 6
- KAESVJOAVNADME-UHFFFAOYSA-N 1H-pyrrole Natural products C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 5
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 claims description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 5
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 claims description 5
- 125000003277 amino group Chemical group 0.000 claims description 5
- 239000000908 ammonium hydroxide Substances 0.000 claims description 5
- 229960003330 pentetic acid Drugs 0.000 claims description 5
- WYMDDFRYORANCC-UHFFFAOYSA-N 2-[[3-[bis(carboxymethyl)amino]-2-hydroxypropyl]-(carboxymethyl)amino]acetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)CN(CC(O)=O)CC(O)=O WYMDDFRYORANCC-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 4
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 4
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims description 4
- 150000003851 azoles Chemical class 0.000 claims description 4
- 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 claims description 4
- 150000001565 benzotriazoles Chemical class 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 150000002576 ketones Chemical class 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 4
- 229920000767 polyaniline Polymers 0.000 claims description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 4
- WZUUZPAYWFIBDF-UHFFFAOYSA-N 5-amino-1,2-dihydro-1,2,4-triazole-3-thione Chemical compound NC1=NNC(S)=N1 WZUUZPAYWFIBDF-UHFFFAOYSA-N 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 235000015165 citric acid Nutrition 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229940074391 gallic acid Drugs 0.000 claims description 3
- 235000004515 gallic acid Nutrition 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 3
- 150000002466 imines Chemical class 0.000 claims description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 3
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 3
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 2
- ASOKPJOREAFHNY-UHFFFAOYSA-N 1-Hydroxybenzotriazole Chemical compound C1=CC=C2N(O)N=NC2=C1 ASOKPJOREAFHNY-UHFFFAOYSA-N 0.000 claims description 2
- HOROZASJKPUNET-UHFFFAOYSA-N 1-chlorodec-5-yne Chemical compound CCCCC#CCCCCCl HOROZASJKPUNET-UHFFFAOYSA-N 0.000 claims description 2
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 claims 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 claims description 2
- XNCSCQSQSGDGES-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]propyl-(carboxymethyl)amino]acetic acid Chemical compound OC(=O)CN(CC(O)=O)C(C)CN(CC(O)=O)CC(O)=O XNCSCQSQSGDGES-UHFFFAOYSA-N 0.000 claims description 2
- SJBOEHIKNDEHHO-UHFFFAOYSA-N 2-[2-aminoethyl(carboxymethyl)amino]acetic acid Chemical compound NCCN(CC(O)=O)CC(O)=O SJBOEHIKNDEHHO-UHFFFAOYSA-N 0.000 claims description 2
- ZIMXAFGAUMQPMG-UHFFFAOYSA-N 2-[4-[bis(carboxymethyl)amino]butyl-(carboxymethyl)amino]acetic acid Chemical group OC(=O)CN(CC(O)=O)CCCCN(CC(O)=O)CC(O)=O ZIMXAFGAUMQPMG-UHFFFAOYSA-N 0.000 claims description 2
- FLYIRERUSAMCDQ-UHFFFAOYSA-N 2-azaniumyl-2-(2-methylphenyl)acetate Chemical compound CC1=CC=CC=C1C(N)C(O)=O FLYIRERUSAMCDQ-UHFFFAOYSA-N 0.000 claims description 2
- YTZPUTADNGREHA-UHFFFAOYSA-N 2h-benzo[e]benzotriazole Chemical compound C1=CC2=CC=CC=C2C2=NNN=C21 YTZPUTADNGREHA-UHFFFAOYSA-N 0.000 claims description 2
- XSFHICWNEBCMNN-UHFFFAOYSA-N 2h-benzotriazol-5-amine Chemical compound NC1=CC=C2NN=NC2=C1 XSFHICWNEBCMNN-UHFFFAOYSA-N 0.000 claims description 2
- GUOVBFFLXKJFEE-UHFFFAOYSA-N 2h-benzotriazole-5-carboxylic acid Chemical compound C1=C(C(=O)O)C=CC2=NNN=C21 GUOVBFFLXKJFEE-UHFFFAOYSA-N 0.000 claims description 2
- QGCDUBGOXJTXIU-UHFFFAOYSA-N 3-(2h-benzotriazol-4-yl)propane-1,1-diol Chemical compound OC(O)CCC1=CC=CC2=NNN=C12 QGCDUBGOXJTXIU-UHFFFAOYSA-N 0.000 claims description 2
- KWYJDIUEHHCHCZ-UHFFFAOYSA-N 3-[2-[bis(2-carboxyethyl)amino]ethyl-(2-carboxyethyl)amino]propanoic acid Chemical compound OC(=O)CCN(CCC(O)=O)CCN(CCC(O)=O)CCC(O)=O KWYJDIUEHHCHCZ-UHFFFAOYSA-N 0.000 claims description 2
- PHFUGYFADPADDV-UHFFFAOYSA-N 4-(2-methylpropyl)-2h-benzotriazole Chemical compound CC(C)CC1=CC=CC2=NNN=C12 PHFUGYFADPADDV-UHFFFAOYSA-N 0.000 claims description 2
- DNJANJSHTMOQOV-UHFFFAOYSA-N 4-bromo-2h-benzotriazole Chemical compound BrC1=CC=CC2=C1N=NN2 DNJANJSHTMOQOV-UHFFFAOYSA-N 0.000 claims description 2
- IPIVUPVIFPKFTG-UHFFFAOYSA-N 4-butyl-2h-benzotriazole Chemical compound CCCCC1=CC=CC2=C1N=NN2 IPIVUPVIFPKFTG-UHFFFAOYSA-N 0.000 claims description 2
- NGKNMHFWZMHABQ-UHFFFAOYSA-N 4-chloro-2h-benzotriazole Chemical compound ClC1=CC=CC2=NNN=C12 NGKNMHFWZMHABQ-UHFFFAOYSA-N 0.000 claims description 2
- QRHDSDJIMDCCKE-UHFFFAOYSA-N 4-ethyl-2h-benzotriazole Chemical compound CCC1=CC=CC2=C1N=NN2 QRHDSDJIMDCCKE-UHFFFAOYSA-N 0.000 claims description 2
- ALDDXGSQUCGTDT-UHFFFAOYSA-N 4-fluoro-2h-benzotriazole Chemical compound FC1=CC=CC2=NNN=C12 ALDDXGSQUCGTDT-UHFFFAOYSA-N 0.000 claims description 2
- OKFSBQOGHYYGRZ-UHFFFAOYSA-N 4-hexyl-2h-benzotriazole Chemical compound CCCCCCC1=CC=CC2=C1N=NN2 OKFSBQOGHYYGRZ-UHFFFAOYSA-N 0.000 claims description 2
- UTMDJGPRCLQPBT-UHFFFAOYSA-N 4-nitro-1h-1,2,3-benzotriazole Chemical compound [O-][N+](=O)C1=CC=CC2=NNN=C12 UTMDJGPRCLQPBT-UHFFFAOYSA-N 0.000 claims description 2
- TVOIATIUZOHKFY-UHFFFAOYSA-N 4-pentyl-2h-benzotriazole Chemical compound CCCCCC1=CC=CC2=NNN=C12 TVOIATIUZOHKFY-UHFFFAOYSA-N 0.000 claims description 2
- KUVZHAJTEJICOW-UHFFFAOYSA-N 4-propan-2-yl-2h-benzotriazole Chemical compound CC(C)C1=CC=CC2=NNN=C12 KUVZHAJTEJICOW-UHFFFAOYSA-N 0.000 claims description 2
- VXDLXVDZTJOKAO-UHFFFAOYSA-N 4-propyl-2h-benzotriazole Chemical compound CCCC1=CC=CC2=C1N=NN2 VXDLXVDZTJOKAO-UHFFFAOYSA-N 0.000 claims description 2
- JQSSWPIJSFUBKX-UHFFFAOYSA-N 5-(2-methylpropyl)-2h-benzotriazole Chemical compound C1=C(CC(C)C)C=CC2=NNN=C21 JQSSWPIJSFUBKX-UHFFFAOYSA-N 0.000 claims description 2
- YZTYEGCWRPJWEE-UHFFFAOYSA-N 5-(benzotriazol-2-yl)pentan-1-amine Chemical compound C1=CC=CC2=NN(CCCCCN)N=C21 YZTYEGCWRPJWEE-UHFFFAOYSA-N 0.000 claims description 2
- BQCIJWPKDPZNHD-UHFFFAOYSA-N 5-bromo-2h-benzotriazole Chemical compound C1=C(Br)C=CC2=NNN=C21 BQCIJWPKDPZNHD-UHFFFAOYSA-N 0.000 claims description 2
- ZCFMGIGLXOKMJC-UHFFFAOYSA-N 5-butyl-2h-benzotriazole Chemical compound C1=C(CCCC)C=CC2=NNN=C21 ZCFMGIGLXOKMJC-UHFFFAOYSA-N 0.000 claims description 2
- PZBQVZFITSVHAW-UHFFFAOYSA-N 5-chloro-2h-benzotriazole Chemical compound C1=C(Cl)C=CC2=NNN=C21 PZBQVZFITSVHAW-UHFFFAOYSA-N 0.000 claims description 2
- ZWTWLIOPZJFEOO-UHFFFAOYSA-N 5-ethyl-2h-benzotriazole Chemical compound C1=C(CC)C=CC2=NNN=C21 ZWTWLIOPZJFEOO-UHFFFAOYSA-N 0.000 claims description 2
- SYGGDXKMRDPIKQ-UHFFFAOYSA-N 5-fluoro-2h-benzotriazole Chemical compound C1=C(F)C=CC2=NNN=C21 SYGGDXKMRDPIKQ-UHFFFAOYSA-N 0.000 claims description 2
- GAHAURRLKFPBCQ-UHFFFAOYSA-N 5-hexyl-2h-benzotriazole Chemical compound CCCCCCC1=CC=C2NN=NC2=C1 GAHAURRLKFPBCQ-UHFFFAOYSA-N 0.000 claims description 2
- SUPSFAUIWDRKKZ-UHFFFAOYSA-N 5-methoxy-2h-benzotriazole Chemical compound C1=C(OC)C=CC2=NNN=C21 SUPSFAUIWDRKKZ-UHFFFAOYSA-N 0.000 claims description 2
- LRUDIIUSNGCQKF-UHFFFAOYSA-N 5-methyl-1H-benzotriazole Chemical compound C1=C(C)C=CC2=NNN=C21 LRUDIIUSNGCQKF-UHFFFAOYSA-N 0.000 claims description 2
- AOCDQWRMYHJTMY-UHFFFAOYSA-N 5-nitro-2h-benzotriazole Chemical compound C1=C([N+](=O)[O-])C=CC2=NNN=C21 AOCDQWRMYHJTMY-UHFFFAOYSA-N 0.000 claims description 2
- CEKGSUMCMSBKNQ-UHFFFAOYSA-N 5-octyl-2h-benzotriazole Chemical compound C1=C(CCCCCCCC)C=CC2=NNN=C21 CEKGSUMCMSBKNQ-UHFFFAOYSA-N 0.000 claims description 2
- KAGBXLIGSMIYGF-UHFFFAOYSA-N 5-pentyl-2h-benzotriazole Chemical compound C1=C(CCCCC)C=CC2=NNN=C21 KAGBXLIGSMIYGF-UHFFFAOYSA-N 0.000 claims description 2
- WXSBVEKBZGNSDY-UHFFFAOYSA-N 5-phenyl-2h-benzotriazole Chemical compound C1=CC=CC=C1C1=CC2=NNN=C2C=C1 WXSBVEKBZGNSDY-UHFFFAOYSA-N 0.000 claims description 2
- MBSXHYDCWYCSME-UHFFFAOYSA-N 5-propan-2-yl-2h-benzotriazole Chemical compound C1=C(C(C)C)C=CC2=NNN=C21 MBSXHYDCWYCSME-UHFFFAOYSA-N 0.000 claims description 2
- CCBSHAWEHIDTIU-UHFFFAOYSA-N 5-propyl-2h-benzotriazole Chemical compound CCCC1=CC=C2NN=NC2=C1 CCBSHAWEHIDTIU-UHFFFAOYSA-N 0.000 claims description 2
- JLGADKXBPJXIOQ-UHFFFAOYSA-N 5-tert-butyl-2h-benzotriazole Chemical compound C1=C(C(C)(C)C)C=CC2=NNN=C21 JLGADKXBPJXIOQ-UHFFFAOYSA-N 0.000 claims description 2
- OZYYQTRHHXLTKX-UHFFFAOYSA-N 7-octenoic acid Chemical compound OC(=O)CCCCCC=C OZYYQTRHHXLTKX-UHFFFAOYSA-N 0.000 claims description 2
- AWQOXJOAQMCOED-UHFFFAOYSA-N 8-Nonenoic acid Natural products OC(=O)CCCCCCC=C AWQOXJOAQMCOED-UHFFFAOYSA-N 0.000 claims description 2
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 2
- 229920002873 Polyethylenimine Polymers 0.000 claims description 2
- 229920002396 Polyurea Polymers 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- 235000011054 acetic acid Nutrition 0.000 claims description 2
- MKBUQYWFFBCMFG-UHFFFAOYSA-N acetic acid propane-1,1-diamine Chemical compound CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.CCC(N)N MKBUQYWFFBCMFG-UHFFFAOYSA-N 0.000 claims description 2
- HSANJBZMPJBTRT-UHFFFAOYSA-N acetic acid;1,4,7,10-tetrazacyclododecane Chemical compound CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.C1CNCCNCCNCCN1 HSANJBZMPJBTRT-UHFFFAOYSA-N 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 2
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 claims description 2
- JCXKHYLLVKZPKE-UHFFFAOYSA-N benzotriazol-1-amine Chemical compound C1=CC=C2N(N)N=NC2=C1 JCXKHYLLVKZPKE-UHFFFAOYSA-N 0.000 claims description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 2
- UVSNFZAOYHOOJO-UHFFFAOYSA-N chembl1343456 Chemical compound OC1=CC=C2N=NNC2=C1 UVSNFZAOYHOOJO-UHFFFAOYSA-N 0.000 claims description 2
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 claims description 2
- XUDOZULIAWNMIU-UHFFFAOYSA-N delta-hexenoic acid Chemical compound OC(=O)CCCC=C XUDOZULIAWNMIU-UHFFFAOYSA-N 0.000 claims description 2
- ZZGUZQXLSHSYMH-UHFFFAOYSA-N ethane-1,2-diamine;propanoic acid Chemical compound NCCN.CCC(O)=O.CCC(O)=O ZZGUZQXLSHSYMH-UHFFFAOYSA-N 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- IFQUWYZCAGRUJN-UHFFFAOYSA-N ethylenediaminediacetic acid Chemical compound OC(=O)CNCCNCC(O)=O IFQUWYZCAGRUJN-UHFFFAOYSA-N 0.000 claims description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 2
- 239000001530 fumaric acid Substances 0.000 claims description 2
- 239000000174 gluconic acid Substances 0.000 claims description 2
- 235000012208 gluconic acid Nutrition 0.000 claims description 2
- 150000002357 guanidines Chemical class 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- 239000001630 malic acid Substances 0.000 claims description 2
- 235000011090 malic acid Nutrition 0.000 claims description 2
- OKQVTLCUHATGDD-UHFFFAOYSA-N n-(benzotriazol-1-ylmethyl)-2-ethyl-n-(2-ethylhexyl)hexan-1-amine Chemical compound C1=CC=C2N(CN(CC(CC)CCCC)CC(CC)CCCC)N=NC2=C1 OKQVTLCUHATGDD-UHFFFAOYSA-N 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 229920000083 poly(allylamine) Polymers 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 108010094020 polyglycine Proteins 0.000 claims description 2
- 229920000232 polyglycine polymer Polymers 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 150000003536 tetrazoles Chemical class 0.000 claims description 2
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 claims description 2
- UIUWNILCHFBLEQ-NSCUHMNNSA-N trans-pent-3-enoic acid Chemical compound C\C=C\CC(O)=O UIUWNILCHFBLEQ-NSCUHMNNSA-N 0.000 claims description 2
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 2
- BJFLSHMHTPAZHO-UHFFFAOYSA-N benzotriazole Chemical compound [CH]1C=CC=C2N=NN=C21 BJFLSHMHTPAZHO-UHFFFAOYSA-N 0.000 claims 2
- FRPZMMHWLSIFAZ-UHFFFAOYSA-N 10-undecenoic acid Chemical compound OC(=O)CCCCCCCCC=C FRPZMMHWLSIFAZ-UHFFFAOYSA-N 0.000 claims 1
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- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 101001102158 Homo sapiens Phosphatidylserine synthase 1 Proteins 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229940123973 Oxygen scavenger Drugs 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 102100039298 Phosphatidylserine synthase 1 Human genes 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical class C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000001089 [(2R)-oxolan-2-yl]methanol Substances 0.000 description 1
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 229920006318 anionic polymer Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- URGYLQKORWLZAQ-UHFFFAOYSA-N azanium;periodate Chemical compound [NH4+].[O-]I(=O)(=O)=O URGYLQKORWLZAQ-UHFFFAOYSA-N 0.000 description 1
- MXJIHEXYGRXHGP-UHFFFAOYSA-N benzotriazol-1-ylmethanol Chemical compound C1=CC=C2N(CO)N=NC2=C1 MXJIHEXYGRXHGP-UHFFFAOYSA-N 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical compound CCC(O)CO BMRWNKZVCUKKSR-UHFFFAOYSA-N 0.000 description 1
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 description 1
- STIAPHVBRDNOAJ-UHFFFAOYSA-N carbamimidoylazanium;carbonate Chemical compound NC(N)=N.NC(N)=N.OC(O)=O STIAPHVBRDNOAJ-UHFFFAOYSA-N 0.000 description 1
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- SHQSVMDWKBRBGB-UHFFFAOYSA-N cyclobutanone Chemical compound O=C1CCC1 SHQSVMDWKBRBGB-UHFFFAOYSA-N 0.000 description 1
- DCZFGQYXRKMVFG-UHFFFAOYSA-N cyclohexane-1,4-dione Chemical compound O=C1CCC(=O)CC1 DCZFGQYXRKMVFG-UHFFFAOYSA-N 0.000 description 1
- NUUPJBRGQCEZSI-UHFFFAOYSA-N cyclopentane-1,3-diol Chemical compound OC1CCC(O)C1 NUUPJBRGQCEZSI-UHFFFAOYSA-N 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229940028356 diethylene glycol monobutyl ether Drugs 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
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- DUYCTCQXNHFCSJ-UHFFFAOYSA-N dtpmp Chemical compound OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)(O)=O DUYCTCQXNHFCSJ-UHFFFAOYSA-N 0.000 description 1
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 description 1
- 229940116333 ethyl lactate Drugs 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000012458 free base Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000012433 hydrogen halide Substances 0.000 description 1
- 229910000039 hydrogen halide Inorganic materials 0.000 description 1
- WFNASTYGEKUMIY-UHFFFAOYSA-N hydron;1h-imidazol-5-ylmethanol;chloride Chemical compound Cl.OCC1=CN=CN1 WFNASTYGEKUMIY-UHFFFAOYSA-N 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- NPZTUJOABDZTLV-UHFFFAOYSA-N hydroxybenzotriazole Substances O=C1C=CC=C2NNN=C12 NPZTUJOABDZTLV-UHFFFAOYSA-N 0.000 description 1
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- PMRYVIKBURPHAH-UHFFFAOYSA-N methimazole Chemical compound CN1C=CNC1=S PMRYVIKBURPHAH-UHFFFAOYSA-N 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical group 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- ZHZCYWWNFQUZOR-UHFFFAOYSA-N pent-4-en-2-ol Chemical compound CC(O)CC=C ZHZCYWWNFQUZOR-UHFFFAOYSA-N 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- TVDSBUOJIPERQY-UHFFFAOYSA-N prop-2-yn-1-ol Chemical compound OCC#C TVDSBUOJIPERQY-UHFFFAOYSA-N 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 1
- 229910001488 sodium perchlorate Inorganic materials 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical compound OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 description 1
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical compound C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 description 1
- ZCWKIFAQRXNZCH-UHFFFAOYSA-M tetramethylazanium;perchlorate Chemical compound C[N+](C)(C)C.[O-]Cl(=O)(=O)=O ZCWKIFAQRXNZCH-UHFFFAOYSA-M 0.000 description 1
- HLQAWDQQEJSALG-UHFFFAOYSA-M tetramethylazanium;periodate Chemical compound C[N+](C)(C)C.[O-]I(=O)(=O)=O HLQAWDQQEJSALG-UHFFFAOYSA-M 0.000 description 1
- 150000004867 thiadiazoles Chemical class 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- MPSUGQWRVNRJEE-UHFFFAOYSA-N triazol-1-amine Chemical compound NN1C=CN=N1 MPSUGQWRVNRJEE-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 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
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
- C09K13/06—Etching, surface-brightening or pickling compositions containing an inorganic acid with organic material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
-
- 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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32134—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by liquid etching only
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- ing And Chemical Polishing (AREA)
- Weting (AREA)
Abstract
Description
本願は2019年6月13日に出願された米国仮特許出願番号62/860,864からの優先権を主張し、該米国仮特許出願の内容はその全体が参照により本明細書に取り込まれる。
窒化チタン(TiN)及びコバルト(Co)は半導体デバイス、液晶ディスプレイ、MEMS(マイクロ電気機械システム)、プリント配線板、等々のために利用することができ、また、貴金属、アルミニウム(Al)及び銅(Cu)による配線のためのグラウンド層及びキャップ層として利用することができる。半導体デバイスにおいて、TiNはバリア金属、ハードマスク、又はゲート金属として用いられてよく、Coは金属コンタクト、相互接続、トレンチ充填、又はキャップ層として用いられてよい。これらの用途のためのデバイスの構築においては、TiN及びCoをエッチングする必要がしばしば存在する。TiN及びCoの様々な種類の用途及びデバイス環境においては、他の層が接触し、又はその他の様式で、TiN及びCoがエッチングされるのと同時に他の層が曝される。これら他の材料(例えば、金属導電体、誘電体、及びハードマスク)の存在する状況においては、TiN及びCoを高度に選択的にエッチングすることが、デバイス収率及び長寿命のためには必須である。
さらに別の態様では、本開示は前記方法によって形成される物品であって、半導体デバイス(例えば、集積回路)である物品を1つの特色とする。
(A)Coフィーチャ(及び/又はTiNフィーチャ)を含む半導体基板を提供するステップ;
(B)前記半導体基板を本開示に記載のエッチング組成物と接触させるステップ;
(C)前記半導体基板を1種又は複数種の適切なリンス溶媒でリンスするステップ;及び
(D)任意に(optionally)、(例えば、リンス溶媒を除去するものの、前記半導体基板の一体性を損ない(compromise)はしない任意の適切な手段により)前記半導体基板を乾燥させるステップ
を含む。
配合ブレンディング
計算された量の溶媒に、配合の残りの成分を、撹拌しながら加えることにより、エッチング組成物のサンプルを調製した。均一な溶液を達成した後、任意的(optional)添加剤を、該添加剤を使用する場合には、添加した。
材料及び方法
一般的手順1により調製した試験溶液中で、一般的手順3に記載の手順に従って、ブランケットテストクーポンをエッチング及び材料適合性について評価した。
ビーカーテストによるエッチング評価
325rpmで連続して撹拌しながら、600mLガラスビーカーウォーターバスに格納された、100gのサンプル溶液を含む125mLのPTFEボトル内で全ブランケット膜エッチング試験を50℃で行ったが、ここで蒸発による損失を最小化するために加熱の間PTFEボトルキャップシールを用いた。一面がサンプル溶液に曝されたブランケット絶縁膜(dielectric film)を有する全てのブランケットテストクーポンを、ビーカースケールの試験のために、ダイアモンドスクライブで0.5インチ×0.5インチ平方(TiN)又は1インチ×1インチ平方(Co)のテストクーポンサイズへと角切りした。それぞれの個別テストクーポンは、単一の4インチ長のロック付きプラスチックピンセットクリップを用いて定位置へと保持された。一端をロック付きピンセットクリップによって保持されたテストクーポンを125mL PTFEボトル中に吊し、100gの試験溶液に、溶液を連続的に325rpm50℃で撹拌しながら浸漬した。前記PTFEボトルは短時間のクーポン処理時間の間だけ大気に開放し、処理時間中のいかなる加熱又は遅延の間もボトルキャップは戻してあった。
処理時間(例えば、2~5分間)が経過するまで、前記テストクーポンはクリップにより前記撹拌された溶液中に、各試験について全く同じ位置に静的に吊るした。試験溶液中での処理時間が経過した後、テストクーポンを前記125mL PTFEボトルからすぐに取り出し、一般的手順3Aに従ってリンスした。最後のDIリンスステップ後に、全てのテストクーポンを、手持ち窒素ガスブロアーを用いたフィルター済み窒素ガス吹き飛ばし(blow off)ステップに供して、DI水の全ての痕跡を強制的に除去して、試験測定用の最終的な乾燥サンプルを製造した。
一般的手順3による2~5分の処理時間の直後に、クーポンを、500mL固定量の20℃超高純度脱イオン(DI)水に穏やかに撹拌しながら10~15秒浸漬し、次に600mLのビーカーを用いて穏やかに撹拌しながら約1L/分のオーバーフロー速度で20℃で15秒、第2のDIリンスステップを行った。処理は一般的手順3に従って完了させた。
配合例1~55(FE-1~FE-55)を一般的手順1に従って調製し、一般的手順2及び3に従って評価した。TiN膜は4分間エッチングし、Co膜は2分間エッチングした。配合を表1にまとめ、試験結果は表2にまとめた。
PSSA = ポリ(4-スチレンスルホン酸)
BTA = ベンゾトリアゾール
DTPA = ジエチレントリアミンペンタ酢酸
DBU = 1,8-ジアザビシクロ[5.4.0]-7-ウンデセン
ER = エッチング速度
配合例56~67(FE-56~FE-67)を一般的手順1に従って調製し、一般的手順2及び3に従って評価した。TiN膜を5分間エッチングし、Co膜を2分間エッチングした。配合物を表3にまとめ、試験結果を表4にまとめた。
Claims (43)
- 1)少なくとも1種の酸化剤、
2)少なくとも1種の第1のカルボン酸、ここで第1のカルボン酸は不飽和のユニットを少なくとも1つ含む、
3)少なくとも1種のキレート剤、
4)少なくとも1種のレベリング剤、及び
5)水
を含むエッチング組成物。 - 約1と約5との間のpHを有する、請求項1に記載の組成物。
- 前記少なくとも1種の酸化剤が過酸化水素を含む、請求項1に記載の組成物。
- 前記少なくとも1種の酸化剤は、前記組成物に対して約0.01重量%~約20重量%の量である、請求項1に記載の組成物。
- 前記少なくとも1種の酸化剤は、前記組成物に対して約0.1重量%~約10重量%の量である、請求項1に記載の組成物。
- 前記少なくとも1種の酸化剤は、前記組成物に対して約0.5重量%~約1重量%の量である、請求項1に記載の組成物。
- 前記少なくとも1種の第1のカルボン酸は、3~10個の炭素原子を有するカルボン酸を含む、請求項1に記載の組成物。
- 前記少なくとも1種の第1のカルボン酸は、クロトン酸、マレイン酸、フマル酸、プロペン酸、3-ペンテン酸、5-ヘキセン酸、6-ヘプテン酸、7-オクテン酸、8-ノネン酸、又は9-ウンデシレン酸を含む、請求項1に記載の組成物。
- 前記少なくとも1種の第1のカルボン酸は、前記組成物に対して約0.005重量%~約3重量%の量である、請求項1に記載の組成物。
- 少なくとも1種の第2のカルボン酸をさらに含む、請求項1に記載の組成物。
- 前記少なくとも1種の第2のカルボン酸がモノカルボン酸を含む、請求項10に記載の組成物。
- 前記モノカルボン酸はC1~C10モノカルボン酸である、請求項11に記載の組成物。
- 前記モノカルボン酸は、グリコール酸、グルコン酸、酢酸、没食子酸、及び乳酸である、請求項12に記載の組成物。
- 前記少なくとも1種の第2のカルボン酸がポリカルボン酸を含む、請求項10に記載の組成物。
- 前記ポリカルボン酸はC2~C10ポリカルボン酸である、請求項14に記載の組成物。
- 前記ポリカルボン酸は、シュウ酸、マロン酸、コハク酸、グルタル酸、クエン酸、酒石酸、リンゴ酸、フタル酸、又は1,2,3-ベンゼントリカルボン酸である、請求項15に記載の組成物。
- 前記少なくとも1種の第2のカルボン酸は、前記組成物に対して約0.005重量%~約3重量%の量である、請求項10に記載の組成物。
- 前記少なくとも1種のレベリング剤は含硫黄ポリマー又は含窒素ポリマーを含む、請求項1に記載の組成物。
- 前記少なくとも1種のレベリング剤は、ポリ(4-スチレンスルホン酸)、ポリエチレンイミン、ポリグリシン、ポリ(アリルアミン)、ポリアニリン、スルホン化ポリアニリン、ポリウレア、ポリアクリルアミド、ポリ(メラミン-co-ホルムアルデヒド)、ポリアミノアミド、又はポリアルカノールアミンを含む、請求項1に記載の組成物。
- 前記少なくとも1種のレベリング剤は、前記組成物に対して約0.01重量%~約3重量%の量である、請求項1に記載の組成物。
- 少なくとも1種の金属防錆剤をさらに含む、請求項1に記載の組成物。
- 前記少なくとも1種の金属防錆剤は置換又は無置換のアゾールを含む、請求項21に記載の組成物。
- 前記アゾールは、トリアゾール、イミダゾール、チアジアゾール、又はテトラゾールである、請求項22に記載の組成物。
- 前記少なくとも1種の金属防錆剤は、アルキル基、アリール基、ハロゲン基、アミノ基、ニトロ基、アルコキシ基、及びヒドロキシル基からなる群から選択される少なくとも1つの置換基によって任意に(optionally)置換されたベンゾトリアゾールを含む、請求項21に記載の組成物。
- 前記少なくとも1種の金属防錆剤は、ベンゾトリアゾール、5-アミノベンゾトリアゾール、1-ヒドロキシベンゾトリアゾール、5-フェニルチオール-ベンゾトリアゾール、5-クロロベンゾトリアゾール、4-クロロベンゾトリアゾール、5-ブロモベンゾトリアゾール、4-ブロモベンゾトリアゾール、5-フルオロベンゾトリアゾール、4-フルオロベンゾトリアゾール、ナフトトリアゾール、トリルトリアゾール、5-フェニル-ベンゾトリアゾール、5-ニトロベンゾトリアゾール、4-ニトロベンゾトリアゾール、3-アミノ-5-メルカプト-1,2,4-トリアゾール、2-(5-アミノ-ペンチル)-ベンゾトリアゾール、1-アミノ-ベンゾトリアゾール、5-メチル-1H-ベンゾトリアゾール、ベンゾトリアゾール-5-カルボン酸、4-メチルベンゾトリアゾール、4-エチルベンゾトリアゾール、5-エチルベンゾトリアゾール、4-プロピルベンゾトリアゾール、5-プロピルベンゾトリアゾール、4-イソプロピルベンゾトリアゾール、5-イソプロピルベンゾトリアゾール、4-n-ブチルベンゾトリアゾール、5-n-ブチルベンゾトリアゾール、4-イソブチルベンゾトリアゾール、5-イソブチルベンゾトリアゾール、4-ペンチルベンゾトリアゾール、5-ペンチルベンゾトリアゾール、4-ヘキシルベンゾトリアゾール、5-ヘキシルベンゾトリアゾール、5-メトキシベンゾトリアゾール、5-ヒドロキシベンゾトリアゾール、ジヒドロキシプロピルベンゾトリアゾール、1-[N,N-ビス(2-エチルヘキシル)アミノメチル]-ベンゾトリアゾール、5-t-ブチルベンゾトリアゾール、5-(1’1’-ジメチルプロピル)-ベンゾトリアゾール、5-(1’1’3’-トリメチルブチル)ベンゾトリアゾール、5-n-オクチルベンゾトリアゾール、及び5-(1’1’3’3’-テトラメチルブチル)ベンゾトリアゾールからなる群から選択される化合物を含む、請求項21に記載の組成物。
- 前記少なくとも1種の金属防錆剤は、前記組成物に対して約0.005重量%~約3重量%の量である、請求項21に記載の組成物。
- 前記少なくとも1種のキレート剤はポリアミノポリカルボン酸を含む、請求項1に記載の組成物。
- 前記少なくとも1種のキレート剤は、ブチレンジアミンテトラ酢酸、ジエチレントリアミンペンタ酢酸、エチレンジアミンテトラプロピオン酸、トリエチレンテトラミンヘキサ酢酸、1,3-ジアミノ-2-ヒドロキシプロパン-N,N,N’,N’-テトラ酢酸、プロピレンジアミンテトラ酢酸、エチレンジアミンテトラ酢酸、トランス-1,2-ジアミノシクロヘキサンテトラ酢酸、エチレンジアミンジ酢酸、エチレンジアミンジプロピオン酸、1,6-ヘキサメチレンジアミン-N,N,N’,N’-テトラ酢酸、N,N-ビス(2-ヒドロキシベンジル)エチレンジアミン-N,N-ジ酢酸、ジアミノプロパンテトラ酢酸、イミノジ酢酸1,4,7,10-テトラアザシクロドデカンテトラ酢酸、ジアミノプロパノールテトラ酢酸、又は(ヒドロキシエチル)エチレンジアミントリ酢酸を含む、請求項1に記載の組成物。
- 前記少なくとも1種のキレート剤は、前記組成物に対して約0.005重量%~約3重量%の量である、請求項1に記載の組成物。
- 前記水は、前記組成物に対して約60重量%~約99重量%の量である、請求項1に記載の組成物。
- 水溶性アルコール、水溶性ケトン、水溶性エステル、及び水溶性エーテルからなる群から選択される少なくとも1種の有機溶媒をさらに含む、請求項1に記載の組成物。
- 前記少なくとも1種の有機溶媒は、前記組成物に対して約0.5重量%~約30重量%の量である、請求項31に記載の組成物。
- 少なくとも1種のpH調整剤をさらに含む、請求項1に記載の組成物。
- 前記少なくとも1種のpH調整剤が塩基又は酸を含む、請求項33に記載の組成物。
- 前記塩基は、4級アンモニウム水酸化物、水酸化アンモニウム、アミン、イミン、又はグアニジン塩である、請求項34に記載の組成物。
- 1)少なくとも1種の酸化剤、
2)少なくとも1種の第1のカルボン酸、ここで第1のカルボン酸は不飽和のユニットを少なくとも1つ含む、
3)少なくとも1種の第2のカルボン酸、ここで第2のカルボン酸はモノカルボン酸及びポリカルボン酸からなる群から選ばれ、前記モノカルボン酸又は前記ポリカルボン酸は任意に(optionally)少なくとも1つのヒドロキシル基を含む、
4)少なくとも1種のレベリング剤、及び
5)水
を含むエッチング組成物。 - Coフィーチャを含む半導体基板を請求項1に記載のエッチング組成物と接触させて前記Coフィーチャの少なくとも一部を除去すること、を含む方法。
- 前記半導体基板がTiNフィーチャをさらに含み、前記方法が前記TiNフィーチャの少なくとも一部を除去する、請求項37に記載の方法。
- 前記接触ステップの後で前記半導体基板をリンス溶媒でリンスすることをさらに含む、請求項37に記載の方法。
- 前記リンスステップの後で前記半導体基板を乾燥させることをさらに含む、請求項39に記載の方法。
- 前記方法は前記半導体基板上に酸化コバルト水酸化物(cobalt oxide hydroxide)層を実質的に形成しない、請求項37に記載の方法。
- 半導体デバイスである、請求項41に記載の方法により形成された物品。
- 前記半導体デバイスは集積回路である、請求項42に記載の物品。
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US20200392405A1 (en) | 2020-12-17 |
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CN114258424B (zh) | 2023-07-04 |
CN114258424A (zh) | 2022-03-29 |
EP3983500A4 (en) | 2022-11-02 |
US11268025B2 (en) | 2022-03-08 |
KR20220020363A (ko) | 2022-02-18 |
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