JP6799740B2 - 処理液及び処理方法 - Google Patents
処理液及び処理方法 Download PDFInfo
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- JP6799740B2 JP6799740B2 JP2019552642A JP2019552642A JP6799740B2 JP 6799740 B2 JP6799740 B2 JP 6799740B2 JP 2019552642 A JP2019552642 A JP 2019552642A JP 2019552642 A JP2019552642 A JP 2019552642A JP 6799740 B2 JP6799740 B2 JP 6799740B2
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- treatment liquid
- treatment
- product
- hydroxide
- mass
- Prior art date
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- 239000007788 liquid Substances 0.000 title claims description 144
- 238000000034 method Methods 0.000 title claims description 59
- 239000006227 byproduct Substances 0.000 claims description 179
- 239000007789 gas Substances 0.000 claims description 71
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 68
- 229910052710 silicon Inorganic materials 0.000 claims description 66
- 239000010703 silicon Substances 0.000 claims description 66
- 239000000460 chlorine Substances 0.000 claims description 64
- 229910052801 chlorine Inorganic materials 0.000 claims description 59
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 55
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 48
- 229910052736 halogen Inorganic materials 0.000 claims description 44
- 150000002367 halogens Chemical class 0.000 claims description 44
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 42
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 36
- 239000000126 substance Substances 0.000 claims description 33
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 26
- -1 alkylammonium hydroxides Chemical class 0.000 claims description 26
- 150000007529 inorganic bases Chemical class 0.000 claims description 23
- 150000007530 organic bases Chemical class 0.000 claims description 23
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 18
- 239000004094 surface-active agent Substances 0.000 claims description 15
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 13
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 13
- 238000000151 deposition Methods 0.000 claims description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 11
- 239000006174 pH buffer Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000011734 sodium Substances 0.000 claims description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 9
- 235000017550 sodium carbonate Nutrition 0.000 claims description 9
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 8
- 239000000908 ammonium hydroxide Substances 0.000 claims description 8
- HMBHAQMOBKLWRX-UHFFFAOYSA-N 2,3-dihydro-1,4-benzodioxine-3-carboxylic acid Chemical compound C1=CC=C2OC(C(=O)O)COC2=C1 HMBHAQMOBKLWRX-UHFFFAOYSA-N 0.000 claims description 7
- 150000001412 amines Chemical class 0.000 claims description 7
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 7
- 229940075419 choline hydroxide Drugs 0.000 claims description 7
- MGAXYKDBRBNWKT-UHFFFAOYSA-N (5-oxooxolan-2-yl)methyl 4-methylbenzenesulfonate Chemical group C1=CC(C)=CC=C1S(=O)(=O)OCC1OC(=O)CC1 MGAXYKDBRBNWKT-UHFFFAOYSA-N 0.000 claims description 6
- 150000004703 alkoxides Chemical class 0.000 claims description 6
- 239000003093 cationic surfactant Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- KIZQNNOULOCVDM-UHFFFAOYSA-M 2-hydroxyethyl(trimethyl)azanium;hydroxide Chemical compound [OH-].C[N+](C)(C)CCO KIZQNNOULOCVDM-UHFFFAOYSA-M 0.000 claims description 4
- 150000002902 organometallic compounds Chemical class 0.000 claims description 4
- 238000000527 sonication Methods 0.000 claims description 4
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- 206010039897 Sedation Diseases 0.000 claims 1
- 230000036280 sedation Effects 0.000 claims 1
- 125000004122 cyclic group Chemical group 0.000 description 64
- 239000000243 solution Substances 0.000 description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 47
- 239000005046 Chlorosilane Substances 0.000 description 43
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 40
- 150000001875 compounds Chemical class 0.000 description 39
- 238000006243 chemical reaction Methods 0.000 description 35
- 239000000758 substrate Substances 0.000 description 35
- 230000007062 hydrolysis Effects 0.000 description 25
- 238000006460 hydrolysis reaction Methods 0.000 description 25
- 239000000047 product Substances 0.000 description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 21
- 229910052760 oxygen Inorganic materials 0.000 description 21
- 239000001301 oxygen Substances 0.000 description 21
- 239000012298 atmosphere Substances 0.000 description 20
- 239000002994 raw material Substances 0.000 description 20
- 229910052739 hydrogen Inorganic materials 0.000 description 18
- 239000001257 hydrogen Substances 0.000 description 18
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 14
- 238000005481 NMR spectroscopy Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 125000005372 silanol group Chemical group 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 9
- 239000007864 aqueous solution Substances 0.000 description 8
- 229910052794 bromium Inorganic materials 0.000 description 8
- 229910052731 fluorine Inorganic materials 0.000 description 8
- 238000001819 mass spectrum Methods 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 238000000921 elemental analysis Methods 0.000 description 7
- 229910017053 inorganic salt Inorganic materials 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 229910008045 Si-Si Inorganic materials 0.000 description 6
- 229910002808 Si–O–Si Inorganic materials 0.000 description 6
- 229910006411 Si—Si Inorganic materials 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000000538 analytical sample Substances 0.000 description 6
- 229960000686 benzalkonium chloride Drugs 0.000 description 6
- CADWTSSKOVRVJC-UHFFFAOYSA-N benzyl(dimethyl)azanium;chloride Chemical compound [Cl-].C[NH+](C)CC1=CC=CC=C1 CADWTSSKOVRVJC-UHFFFAOYSA-N 0.000 description 6
- 239000011261 inert gas Substances 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 229910052783 alkali metal Inorganic materials 0.000 description 5
- 150000001340 alkali metals Chemical class 0.000 description 5
- 239000002360 explosive Substances 0.000 description 5
- 239000003517 fume Substances 0.000 description 5
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 5
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 239000011343 solid material Substances 0.000 description 5
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 229910052740 iodine Inorganic materials 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000009210 therapy by ultrasound Methods 0.000 description 4
- 102100023927 Asparagine synthetase [glutamine-hydrolyzing] Human genes 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- 101100380329 Homo sapiens ASNS gene Proteins 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 3
- 229910008051 Si-OH Inorganic materials 0.000 description 3
- 229910006358 Si—OH Inorganic materials 0.000 description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 3
- 238000005229 chemical vapour deposition Methods 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
- 238000005187 foaming Methods 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000001632 sodium acetate Substances 0.000 description 3
- 235000017281 sodium acetate Nutrition 0.000 description 3
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 3
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 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 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 238000000065 atmospheric pressure chemical ionisation Methods 0.000 description 2
- 238000005102 attenuated total reflection Methods 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- BUMGIEFFCMBQDG-UHFFFAOYSA-N dichlorosilicon Chemical compound Cl[Si]Cl BUMGIEFFCMBQDG-UHFFFAOYSA-N 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000004949 mass spectrometry Methods 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 125000001979 organolithium group Chemical group 0.000 description 2
- 239000006179 pH buffering agent Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 235000011181 potassium carbonates Nutrition 0.000 description 2
- RPDAUEIUDPHABB-UHFFFAOYSA-N potassium ethoxide Chemical compound [K+].CC[O-] RPDAUEIUDPHABB-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- CPRMKOQKXYSDML-UHFFFAOYSA-M rubidium hydroxide Chemical compound [OH-].[Rb+] CPRMKOQKXYSDML-UHFFFAOYSA-M 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 description 2
- 229940082004 sodium laurate Drugs 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 2
- 239000005052 trichlorosilane Substances 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- GNLJBJNONOOOQC-UHFFFAOYSA-N $l^{3}-carbane;magnesium Chemical compound [Mg]C GNLJBJNONOOOQC-UHFFFAOYSA-N 0.000 description 1
- POKOASTYJWUQJG-UHFFFAOYSA-M 1-butylpyridin-1-ium;chloride Chemical compound [Cl-].CCCC[N+]1=CC=CC=C1 POKOASTYJWUQJG-UHFFFAOYSA-M 0.000 description 1
- MFGOFGRYDNHJTA-UHFFFAOYSA-N 2-amino-1-(2-fluorophenyl)ethanol Chemical compound NCC(O)C1=CC=CC=C1F MFGOFGRYDNHJTA-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- UWKKBEQZACDEBT-UHFFFAOYSA-N CCCC[Mg] Chemical compound CCCC[Mg] UWKKBEQZACDEBT-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 1
- 239000005750 Copper hydroxide Substances 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- OKIZCWYLBDKLSU-UHFFFAOYSA-M N,N,N-Trimethylmethanaminium chloride Chemical compound [Cl-].C[N+](C)(C)C OKIZCWYLBDKLSU-UHFFFAOYSA-M 0.000 description 1
- 229910002656 O–Si–O Inorganic materials 0.000 description 1
- 229920001214 Polysorbate 60 Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- 229910007245 Si2Cl6 Inorganic materials 0.000 description 1
- 229910003691 SiBr Inorganic materials 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 229910008284 Si—F Inorganic materials 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- VQPFDLRNOCQMSN-UHFFFAOYSA-N bromosilane Chemical class Br[SiH3] VQPFDLRNOCQMSN-UHFFFAOYSA-N 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Inorganic materials [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 description 1
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229960000541 cetyl alcohol Drugs 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910001956 copper hydroxide Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 150000001923 cyclic compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- VJIYRPVGAZXYBD-UHFFFAOYSA-N dibromosilane Chemical compound Br[SiH2]Br VJIYRPVGAZXYBD-UHFFFAOYSA-N 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 description 1
- UWLPCYBIJSLGQO-UHFFFAOYSA-N dodecanoic acid;propane-1,2,3-triol Chemical compound OCC(O)CO.CCCCCCCCCCCC(O)=O UWLPCYBIJSLGQO-UHFFFAOYSA-N 0.000 description 1
- TVACALAUIQMRDF-UHFFFAOYSA-N dodecyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCOP(O)(O)=O TVACALAUIQMRDF-UHFFFAOYSA-N 0.000 description 1
- SYELZBGXAIXKHU-UHFFFAOYSA-N dodecyldimethylamine N-oxide Chemical compound CCCCCCCCCCCC[N+](C)(C)[O-] SYELZBGXAIXKHU-UHFFFAOYSA-N 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012844 infrared spectroscopy analysis Methods 0.000 description 1
- OCVXZQOKBHXGRU-UHFFFAOYSA-N iodine(1+) Chemical compound [I+] OCVXZQOKBHXGRU-UHFFFAOYSA-N 0.000 description 1
- 238000000752 ionisation method Methods 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 229940070765 laurate Drugs 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- XAVQZBGEXVFCJI-UHFFFAOYSA-M lithium;phenoxide Chemical compound [Li+].[O-]C1=CC=CC=C1 XAVQZBGEXVFCJI-UHFFFAOYSA-M 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- NQMRYBIKMRVZLB-UHFFFAOYSA-N methylamine hydrochloride Chemical compound [Cl-].[NH3+]C NQMRYBIKMRVZLB-UHFFFAOYSA-N 0.000 description 1
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 description 1
- DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- BAVYZALUXZFZLV-UHFFFAOYSA-N mono-methylamine Natural products NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 1
- 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 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- DVEKCXOJTLDBFE-UHFFFAOYSA-N n-dodecyl-n,n-dimethylglycinate Chemical compound CCCCCCCCCCCC[N+](C)(C)CC([O-])=O DVEKCXOJTLDBFE-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- HEGSGKPQLMEBJL-RKQHYHRCSA-N octyl beta-D-glucopyranoside Chemical compound CCCCCCCCO[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O HEGSGKPQLMEBJL-RKQHYHRCSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 125000002734 organomagnesium group Chemical group 0.000 description 1
- GSWAOPJLTADLTN-UHFFFAOYSA-N oxidanimine Chemical compound [O-][NH3+] GSWAOPJLTADLTN-UHFFFAOYSA-N 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- JLFNLZLINWHATN-UHFFFAOYSA-N pentaethylene glycol Chemical compound OCCOCCOCCOCCOCCO JLFNLZLINWHATN-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229960003975 potassium Drugs 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 150000004819 silanols Chemical class 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- AIFMYMZGQVTROK-UHFFFAOYSA-N silicon tetrabromide Chemical compound Br[Si](Br)(Br)Br AIFMYMZGQVTROK-UHFFFAOYSA-N 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 229940045944 sodium lauroyl glutamate Drugs 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- NESLWCLHZZISNB-UHFFFAOYSA-M sodium phenolate Chemical compound [Na+].[O-]C1=CC=CC=C1 NESLWCLHZZISNB-UHFFFAOYSA-M 0.000 description 1
- IWIUXJGIDSGWDN-UQKRIMTDSA-M sodium;(2s)-2-(dodecanoylamino)pentanedioate;hydron Chemical compound [Na+].CCCCCCCCCCCC(=O)N[C@H](C([O-])=O)CCC(O)=O IWIUXJGIDSGWDN-UQKRIMTDSA-M 0.000 description 1
- QWSZRRAAFHGKCH-UHFFFAOYSA-M sodium;hexane-1-sulfonate Chemical compound [Na+].CCCCCCS([O-])(=O)=O QWSZRRAAFHGKCH-UHFFFAOYSA-M 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- 150000003613 toluenes Chemical class 0.000 description 1
- IBOKZQNMFSHYNQ-UHFFFAOYSA-N tribromosilane Chemical compound Br[SiH](Br)Br IBOKZQNMFSHYNQ-UHFFFAOYSA-N 0.000 description 1
- LXEXBJXDGVGRAR-UHFFFAOYSA-N trichloro(trichlorosilyl)silane Chemical compound Cl[Si](Cl)(Cl)[Si](Cl)(Cl)Cl LXEXBJXDGVGRAR-UHFFFAOYSA-N 0.000 description 1
- AQZSPJRLCJSOED-UHFFFAOYSA-M trimethyl(octyl)azanium;chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(C)C AQZSPJRLCJSOED-UHFFFAOYSA-M 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
Images
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- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/10—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
- A62D3/13—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation to sonic energy
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/24—Deposition of silicon only
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4412—Details relating to the exhausts, e.g. pumps, filters, scrubbers, particle traps
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/56—After-treatment
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- C30B19/10—Controlling or regulating
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- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
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- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
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- Treating Waste Gases (AREA)
Description
先ず、原料ガスをエピタキシャル成長装置に導入して、800℃の温度でシリコン基板と反応させて、シリコン基板上に単結晶シリコン膜を形成した。原料ガスとしては、水素ガスに、ジクロロシランと塩化水素とを混合した混合ガスを用いた。混合ガスにおける水素の濃度は、95体積%以上であった。
処理液TS1の代わりに、処理液TS2を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。処理液TS2としては、炭酸水素ナトリウムとpH緩衝剤とを混合した水溶液を用いた。pH緩衝剤としては、酢酸ナトリウム(CH3COONa)と酢酸(CH3COOH)との混合物を用いた。処理液TS2において、炭酸水素ナトリウムの濃度は、10質量%であり、酢酸ナトリウムの濃度は、1質量%であり、酢酸の濃度は、1質量%であった。
処理液TS1の代わりに、処理液TS3を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。その結果、副生成物からの激しい発泡が確認された。処理液TS3としては、水に、水酸化ナトリウム(NaOH)を溶解させたものを用いた。処理液TS3において、水酸化ナトリウムの濃度は、10質量%であった。
処理液TS1の代わりに、処理液TS4を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。処理液TS4としては、水に、ナトリウムフェノキシド(Sodium Phenoxide:C6H5ONa)を溶解させたものを用いた。処理液TS4において、ナトリウムフェノキシドの濃度は、10質量%であった。
処理液TS1の代わりに、処理液TS5を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。処理液TS5としては、水に、水酸化カルシウム(Ca(OH)2)を分散させたものを用いた。処理液TS5において、水酸化カルシウムの濃度は、10質量%であった。
処理液TS1の代わりに、処理液TS6を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。その結果、副生成物は処理液中に分散した。処理液TS6としては、水酸化ナトリウムと界面活性剤とを混合した水溶液を用いた。界面活性剤としては、塩化ベンザルコニウムを用いた。処理液TS6において、水酸化ナトリウムの濃度は、10質量%であり、塩化ベンザルコニウムの濃度は、1質量%であった。
副生成物を酸素及び水と接触させないように、不活性ガス雰囲気下で取り扱ったこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。
副生成物を酸素及び水と接触させないように、不活性ガス雰囲気下で取り扱ったこと以外は、実施例6に記載したのと同様の方法で副生成物を処理した。
副生成物を酸素及び水と接触させないように、不活性ガス雰囲気下で取り扱ったこと以外は、実施例2に記載したのと同様の方法で副生成物を処理した。
処理液TS1の代わりに、水を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。
処理液TS1の代わりに、処理液TS7を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。処理液TS7としては、水に、過酸化水素(H2O2)を溶解させたものを用いた。処理液TS7において、過酸化水素の濃度は、10質量%であった。
シャーレ内に水を添加した後、シャーレの底面をヒータで50℃となるように加熱したこと以外は、比較例1に記載したのと同様の方法で副生成物を処理した。
シャーレ内に水を添加した後、超音波洗浄機を用いて超音波処理を行ったこと以外は、比較例1に記載したのと同様の方法で副生成物を処理した。超音波処理は、28kHzの周波数で行った。
シャーレ内に水を添加した後、シャーレ上の副生成物の塊をスパチュラで粉砕したこと以外は、比較例1に記載したのと同様の方法で副生成物を処理した。
処理液TS1の代わりに、処理液TS8を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。処理液TS8としては、水に、塩化ベンザルコニウムを溶解させたものを用いた。その結果、副生成物は処理液中に分散した。
シャーレ内に処理液TS1を添加した後、超音波洗浄機を用いて超音波処理を行ったこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。超音波処理は、28kHzの周波数で行った。
シャーレ内に処理液TS5を添加した後、超音波洗浄機を用いて超音波処理を行ったこと以外は、実施例5に記載したのと同様の方法で副生成物を処理した。超音波処理は、28kHzの周波数で行った。
処理液TS1の代わりに、処理液TS9を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。処理液TS9としては、水に、水酸化テトラメチルアンモニウム(TMAH)を溶解させたものを用いた。処理液TS9において、TMAHの濃度は、25質量%であった。
先ず、実施例1に記載したのと同様の方法で、50mgの副生成物をシャーレ内に量り取った。次いで、このシャーレ内に1.0mLの水を滴下して、1時間静置した。次いで、このシャーレ内に1.0mLの処理液TS9を滴下した。このようにして、副生成物を処理した。副生成物の元素分析と、水処理後、かつ、処理液TS9による処理前の副生成物、すなわち、加水分解生成物の元素分析とを後述する方法で行った。
処理液TS1の代わりに、処理液TS10を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。処理液TS10としては、水に、水酸化テトラメチルアンモニウム(TMAH)を溶解させたものを用いた。処理液TS10において、TMAHの濃度は、5質量%であった。
処理液TS1の代わりに、処理液TS11を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。処理液TS11としては、水に、水酸化テトラメチルアンモニウム(TMAH)を溶解させたものを用いた。処理液TS11において、TMAHの濃度は、0.26質量%であった。この結果、副生成物を処理中の処理液の温度は、上昇しなかった。
処理液TS1の代わりに、処理液TS12を用いたこと以外は、実施例1に記載したのと同様の方法で副生成物を処理した。処理液TS12としては、水に、水酸化コリンを溶解させたものを用いた。処理液TS12において、水酸化コリンの濃度は、4質量%であった。
副生成物の処理前及び処理後の処理液のpHを、pH試験紙を用いて測定した。この結果を、表1に示す。
以下の方法により、副生成物を処理後の処理液に、可燃性固体が含まれているか否かを確認した。
実施例で得られた副生成物、及び、実施例13で得られた副生成物の加水分解生成物について、上述した方法で元素分析を行った。その結果を表2に示す。
先ず、反応温度を800℃から1000℃に変更したこと以外は、実施例1に記載したのと同じ条件で単結晶シリコン膜を形成した。次に、窒素雰囲気下でエピタキシャル成長装置の配管を分解して、副生成物を採取した。副生成物は、薄黄色の油状体であった。採取した副生成物を、上述した方法で分析したところ、上記構造式(a)乃至(d)、(1―1)、(2−1)、(12−1)、及び(14−1)の何れかに該当すると思われる環状構造を有するクロロシラン類と、上記構造式(22−1)及び(23−1)の何れかに該当すると思われる鎖状構造を有するクロロシラン類とを含んでいると推定された。
[1]
ケイ素及び塩素を含むガスを用いて、基板上にケイ素含有物を堆積させる方法により生じる副生成物を処理するための処理液であって、無機塩及び有機塩基の少なくとも一方を含み、塩基性である処理液。
[2]
前記無機塩を含み、前記無機塩は、水酸化ナトリウム(NaOH)、水酸化カリウム(KOH)、炭酸ナトリウム(Na2CO3)、水酸化カルシウム(Ca(OH)2)、水酸化リチウム(LiOH)、炭酸水素ナトリウム(NaHCO3)、及び水酸化アンモニウム(NH4OH)からなる群より選ばれる少なくとも1種類を含む[1]に記載の処理液。
[3]
前記無機塩を含み、前記無機塩は、水酸化カリウム(KOH)、炭酸ナトリウム(Na2CO3)、水酸化リチウム(LiOH)、炭酸水素ナトリウム(NaHCO3)、及び水酸化アンモニウム(NH4OH)からなる群より選ばれる少なくとも1種を含む[1]又は[2]に記載の処理液。
[4]
前記有機塩基を含み、前記有機塩基は、水酸化アルキルアンモニウム類、有機金属化合物、金属アルコキシド、アミン、及び複素環式アミンからなる群より選ばれる少なくとも1種類を含む[1]乃至[3]の何れかに記載の処理液。
[5]
前記有機塩基を含み、前記有機塩基は、フェノキシナトリウム(C6H5ONa)、2−ヒドロキシエチルトリメチルアンモニウムヒドロキシド(水酸化コリン)、及びテトラメチルアンモニウムヒドロキシド(TMAH)からなる群より選ばれる少なくとも1種類を含む[1]乃至[4]の何れかに記載の処理液。
[6]
pH値が8以上14以下である[1]乃至[5]の何れかに記載の処理液。
[7]
界面活性剤を更に含む[1]乃至[6]の何れかに記載の処理液。
[8]
前記界面活性剤は、カチオン性界面活性剤である[7]に記載の処理液。
[9]
[1]乃至[8]の何れかに記載の処理液を用いる処理方法であって、前記副生成物と前記処理液とを接触させることを含む処理方法。
[10]
前記副生成物と、前記処理液とを接触させた後、得られた混合物について超音波処理を行うことを含む[9]に記載の処理方法。なお、基材は基板を含み得る。
以下に、出願の当初の特許請求の範囲に記載された発明を付記する。
[1]
ケイ素及びハロゲンを含むガスを用いて、基材上にケイ素含有物を堆積させる方法により生じる副生成物を処理するための処理液であって、無機塩基及び有機塩基の少なくとも一方を含み、塩基性である処理液。
[2]
前記無機塩基を含み、前記無機塩基は、水酸化ナトリウム(NaOH)、水酸化カリウム(KOH)、炭酸ナトリウム(Na 2 CO 3 )、水酸化カルシウム(Ca(OH) 2 )、水酸化リチウム(LiOH)、炭酸水素ナトリウム(NaHCO 3 )、及び水酸化アンモニウム(NH 4 OH)からなる群より選ばれる少なくとも1種類を含む[1]に記載の処理液。
[3]
前記無機塩基を含み、前記無機塩基は、水酸化カリウム(KOH)、炭酸ナトリウム(Na 2 CO 3 )、水酸化リチウム(LiOH)、炭酸水素ナトリウム(NaHCO 3 )、及び水酸化アンモニウム(NH 4 OH)からなる群より選ばれる少なくとも1種を含む[1]又は[2]に記載の処理液。
[4]
前記有機塩基を含み、前記有機塩基は、水酸化アルキルアンモニウム類、有機金属化合物、金属アルコキシド、アミン、及び複素環式アミンからなる群より選ばれる少なくとも1種類を含む[1]乃至[3]の何れかに記載の処理液。
[5]
前記有機塩基を含み、前記有機塩基は、ナトリウムフェノキシド(C 6 H 5 ONa)、2−ヒドロキシエチルトリメチルアンモニウムヒドロキシド(水酸化コリン)、及びテトラメチルアンモニウムヒドロキシド(TMAH)からなる群より選ばれる少なくとも1種類を含む[1]乃至[4]の何れかに記載の処理液。
[6]
pH値が8以上14以下である[1]乃至[5]の何れかに記載の処理液。
[7]
界面活性剤を更に含む[1]乃至[6]の何れかに記載の処理液。
[8]
前記界面活性剤は、カチオン性界面活性剤である[7]に記載の処理液。
[9]
pH緩衝剤を更に含む[1]乃至[8]の何れかに記載の処理液。
[10]
前記ガスの前記ハロゲンは、塩素を含む[1]乃至[9]の何れかに記載の処理液。
[11]
前記副生成物は、シロキサン結合及びシラノール基の少なくとも一方を有する化合物を含む[1]乃至[10]の何れかに記載の処理液。
[12]
[1]乃至[11]の何れかに記載の処理液を用いる処理方法であって、前記副生成物と前記処理液とを接触させることを含む処理方法。
[13]
前記副生成物と、前記処理液とを接触させた後、得られた混合物について超音波処理を行うことを含む[12]に記載の処理方法。
[14]
[1]乃至[11]の何れかに記載の処理液を用いる処理方法であって、
前記副生成物と水とを接触させて混合物を得ることと、
前記混合物と前記処理液とを接触させることと
を含む処理方法。
[15]
前記副生成物と水とを接触させて得られた前記混合物は、シロキサン結合及びシラノール基の少なくとも一方を有する化合物を含む[14]に記載の処理方法。
Claims (13)
- ケイ素及びハロゲンを含むガスを用いて、基材上にケイ素含有物を堆積させる方法により生じる排出ガスに含まれる成分が重合して生成する固体又は液体状の副生成物と、処理液とを接触させることを含む処理方法のための処理液であって、水酸化アルキルアンモニウム類、有機金属化合物、金属アルコキシド、アミン、及び複素環式アミンからなる群より選ばれる少なくとも1種類の有機塩基を含み、塩基性である処理液。
- 無機塩基を更に含み、前記無機塩基は、水酸化ナトリウム(NaOH)、水酸化カリウム(KOH)、炭酸ナトリウム(Na2CO3)、水酸化カルシウム(Ca(OH)2)、水酸化リチウム(LiOH)、炭酸水素ナトリウム(NaHCO3)、及び水酸化アンモニウム(NH4OH)からなる群より選ばれる少なくとも1種類を含む請求項1に記載の処理液。
- 無機塩基を更に含み、前記無機塩基は、水酸化カリウム(KOH)、炭酸ナトリウム(Na2CO3)、水酸化リチウム(LiOH)、炭酸水素ナトリウム(NaHCO3)、及び水酸化アンモニウム(NH4OH)からなる群より選ばれる少なくとも1種を含む請求項1又は2に記載の処理液。
- 前記有機塩基は、水酸化アルキルアンモニウム類、アミン、及び複素環式アミンからなる群より選ばれる少なくとも1種類を含む請求項1乃至3の何れか1項に記載の処理液。
- 前記有機塩基は、ナトリウムフェノキシド(C6H5ONa)、2−ヒドロキシエチルトリメチルアンモニウムヒドロキシド(水酸化コリン)、及びテトラメチルアンモニウムヒドロキシド(TMAH)からなる群より選ばれる少なくとも1種類を含む請求項1乃至4の何れか1項に記載の処理液。
- pH値が8以上14以下である請求項1乃至5の何れか1項に記載の処理液。
- 界面活性剤を更に含む請求項1乃至6の何れか1項に記載の処理液。
- 前記界面活性剤は、カチオン性界面活性剤である請求項7に記載の処理液。
- pH緩衝剤を更に含む請求項1乃至8の何れか1項に記載の処理液。
- 前記有機塩基の濃度は、0.01質量%以上30質量%以下である請求項1乃至9の何れか1項に記載の処理液。
- 前記ガスの前記ハロゲンは、塩素を含む請求項1乃至10の何れか1項に記載の処理液。
- 請求項1乃至11の何れか1項に記載の処理液を用いる処理方法であって、前記副生成物と前記処理液とを接触させることを含む処理方法。
- 前記副生成物と、前記処理液とを接触させた後、得られた混合物について超音波処理を行うことを含む請求項12に記載の処理方法。
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