KR20010070264A - 텍스처 커패시터 전극 위의 컨포멀 박막 - Google Patents
텍스처 커패시터 전극 위의 컨포멀 박막 Download PDFInfo
- Publication number
- KR20010070264A KR20010070264A KR1020000072991A KR20000072991A KR20010070264A KR 20010070264 A KR20010070264 A KR 20010070264A KR 1020000072991 A KR1020000072991 A KR 1020000072991A KR 20000072991 A KR20000072991 A KR 20000072991A KR 20010070264 A KR20010070264 A KR 20010070264A
- Authority
- KR
- South Korea
- Prior art keywords
- metal
- dielectric layer
- capacitor
- silicon
- layer
- Prior art date
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- 239000003990 capacitor Substances 0.000 title claims abstract description 119
- 239000010409 thin film Substances 0.000 title description 18
- 239000010410 layer Substances 0.000 claims abstract description 229
- 238000000034 method Methods 0.000 claims abstract description 191
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 115
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 112
- 239000010703 silicon Substances 0.000 claims abstract description 112
- 239000002356 single layer Substances 0.000 claims abstract description 95
- 239000000463 material Substances 0.000 claims abstract description 64
- 238000006243 chemical reaction Methods 0.000 claims abstract description 61
- 239000000376 reactant Substances 0.000 claims abstract description 52
- 230000008021 deposition Effects 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims description 152
- 229910052751 metal Inorganic materials 0.000 claims description 151
- 239000007789 gas Substances 0.000 claims description 101
- 229910052760 oxygen Inorganic materials 0.000 claims description 95
- 239000001301 oxygen Substances 0.000 claims description 94
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 81
- 239000012159 carrier gas Substances 0.000 claims description 46
- 238000000151 deposition Methods 0.000 claims description 45
- 229910044991 metal oxide Inorganic materials 0.000 claims description 38
- 150000004706 metal oxides Chemical class 0.000 claims description 37
- 239000000126 substance Substances 0.000 claims description 33
- 230000004888 barrier function Effects 0.000 claims description 26
- 238000010926 purge Methods 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 22
- 239000002131 composite material Substances 0.000 claims description 19
- 239000003446 ligand Substances 0.000 claims description 17
- 150000004820 halides Chemical class 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 230000001590 oxidative effect Effects 0.000 claims description 13
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 11
- 239000004065 semiconductor Substances 0.000 claims description 11
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 11
- 239000002905 metal composite material Substances 0.000 claims description 10
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 10
- 230000000670 limiting effect Effects 0.000 claims description 9
- 150000004767 nitrides Chemical class 0.000 claims description 9
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 8
- HHFAWKCIHAUFRX-UHFFFAOYSA-N ethoxide Chemical compound CC[O-] HHFAWKCIHAUFRX-UHFFFAOYSA-N 0.000 claims description 7
- 239000013110 organic ligand Substances 0.000 claims description 7
- 229910052715 tantalum Inorganic materials 0.000 claims description 7
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 6
- 229910052723 transition metal Inorganic materials 0.000 claims description 6
- 150000003624 transition metals Chemical class 0.000 claims description 6
- 239000013043 chemical agent Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 150000004696 coordination complex Chemical class 0.000 claims description 4
- 238000005121 nitriding Methods 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 229910001510 metal chloride Inorganic materials 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 229910000449 hafnium oxide Inorganic materials 0.000 claims 2
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims 2
- 229910000484 niobium oxide Inorganic materials 0.000 claims 2
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 2
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 81
- 238000000231 atomic layer deposition Methods 0.000 description 37
- 239000003153 chemical reaction reagent Substances 0.000 description 20
- 239000003989 dielectric material Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 238000013461 design Methods 0.000 description 15
- 238000005229 chemical vapour deposition Methods 0.000 description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 14
- 230000001965 increasing effect Effects 0.000 description 14
- 239000007800 oxidant agent Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 229910052581 Si3N4 Inorganic materials 0.000 description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 9
- 229910052721 tungsten Inorganic materials 0.000 description 9
- 239000010937 tungsten Substances 0.000 description 9
- 229910021417 amorphous silicon Inorganic materials 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 8
- 238000010899 nucleation Methods 0.000 description 8
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 8
- 229910010413 TiO 2 Inorganic materials 0.000 description 7
- 239000007772 electrode material Substances 0.000 description 7
- 239000010408 film Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229910052914 metal silicate Inorganic materials 0.000 description 6
- NGCRLFIYVFOUMZ-UHFFFAOYSA-N 2,3-dichloroquinoxaline-6-carbonyl chloride Chemical compound N1=C(Cl)C(Cl)=NC2=CC(C(=O)Cl)=CC=C21 NGCRLFIYVFOUMZ-UHFFFAOYSA-N 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 5
- 229910007926 ZrCl Inorganic materials 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- 229910052454 barium strontium titanate Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000006911 nucleation Effects 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 4
- YVWPNDBYAAEZBF-UHFFFAOYSA-N trimethylsilylmethanamine Chemical compound C[Si](C)(C)CN YVWPNDBYAAEZBF-UHFFFAOYSA-N 0.000 description 4
- 235000012431 wafers Nutrition 0.000 description 4
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 229910006249 ZrSi Inorganic materials 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- OEIMLTQPLAGXMX-UHFFFAOYSA-I tantalum(v) chloride Chemical compound Cl[Ta](Cl)(Cl)(Cl)Cl OEIMLTQPLAGXMX-UHFFFAOYSA-I 0.000 description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 2
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 239000011365 complex material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- -1 halide metals Chemical class 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229910001507 metal halide Inorganic materials 0.000 description 2
- 150000005309 metal halides Chemical class 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- 125000002524 organometallic group Chemical group 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 150000004756 silanes Chemical class 0.000 description 2
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- MNWRORMXBIWXCI-UHFFFAOYSA-N tetrakis(dimethylamido)titanium Chemical compound CN(C)[Ti](N(C)C)(N(C)C)N(C)C MNWRORMXBIWXCI-UHFFFAOYSA-N 0.000 description 2
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- NXHILIPIEUBEPD-UHFFFAOYSA-H tungsten hexafluoride Chemical compound F[W](F)(F)(F)(F)F NXHILIPIEUBEPD-UHFFFAOYSA-H 0.000 description 2
- MFWFDRBPQDXFRC-LNTINUHCSA-N (z)-4-hydroxypent-3-en-2-one;vanadium Chemical compound [V].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O MFWFDRBPQDXFRC-LNTINUHCSA-N 0.000 description 1
- BWLBGMIXKSTLSX-UHFFFAOYSA-N 2-hydroxyisobutyric acid Chemical compound CC(C)(O)C(O)=O BWLBGMIXKSTLSX-UHFFFAOYSA-N 0.000 description 1
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 229910021551 Vanadium(III) chloride Inorganic materials 0.000 description 1
- VNSWULZVUKFJHK-UHFFFAOYSA-N [Sr].[Bi] Chemical compound [Sr].[Bi] VNSWULZVUKFJHK-UHFFFAOYSA-N 0.000 description 1
- CPLPNZFTIJOEIN-UHFFFAOYSA-I [V+5].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O Chemical compound [V+5].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O CPLPNZFTIJOEIN-UHFFFAOYSA-I 0.000 description 1
- CUJRVFIICFDLGR-UHFFFAOYSA-N acetylacetonate Chemical compound CC(=O)[CH-]C(C)=O CUJRVFIICFDLGR-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- BSDOQSMQCZQLDV-UHFFFAOYSA-N butan-1-olate;zirconium(4+) Chemical compound [Zr+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] BSDOQSMQCZQLDV-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- VSLPMIMVDUOYFW-UHFFFAOYSA-N dimethylazanide;tantalum(5+) Chemical compound [Ta+5].C[N-]C.C[N-]C.C[N-]C.C[N-]C.C[N-]C VSLPMIMVDUOYFW-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- PDPJQWYGJJBYLF-UHFFFAOYSA-J hafnium tetrachloride Chemical compound Cl[Hf](Cl)(Cl)Cl PDPJQWYGJJBYLF-UHFFFAOYSA-J 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910003455 mixed metal oxide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- ZTILUDNICMILKJ-UHFFFAOYSA-N niobium(v) ethoxide Chemical compound CCO[Nb](OCC)(OCC)(OCC)OCC ZTILUDNICMILKJ-UHFFFAOYSA-N 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- YHBDIEWMOMLKOO-UHFFFAOYSA-I pentachloroniobium Chemical compound Cl[Nb](Cl)(Cl)(Cl)Cl YHBDIEWMOMLKOO-UHFFFAOYSA-I 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- NMJKIRUDPFBRHW-UHFFFAOYSA-N titanium Chemical compound [Ti].[Ti] NMJKIRUDPFBRHW-UHFFFAOYSA-N 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- LALRXNPLTWZJIJ-UHFFFAOYSA-N triethylborane Chemical group CCB(CC)CC LALRXNPLTWZJIJ-UHFFFAOYSA-N 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- HQYCOEXWFMFWLR-UHFFFAOYSA-K vanadium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[V+3] HQYCOEXWFMFWLR-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02142—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides
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Abstract
Description
단계 | 운반가스 유동 (sccm) | 반응제 | 반응제 유동 (sccm) | 온도(℃) | 압력(Torr) | 시간(sec) |
금속 | 400 | TMA | 20 | 300 | 5 | 0.1 |
퍼지 | 400 | -- | -- | 300 | 5 | 0.2 |
산화제 | 400 | H2O | 40 | 300 | 5 | 0.1 |
퍼지 | 400 | -- | -- | 300 | 5 | 0.6 |
단계 | 운반가스 유동 (sccm) | 반응제 | 반응제 유동 (sccm) | 온도(℃) | 압력(Torr) | 시간(sec) |
금속 | 400 | Ta(OCH2CH3)5 | 40 | 220 | 5 | 1 |
퍼지 | 400 | -- | -- | 220 | 5 | 1 |
산화제 | 400 | O3 | 100 | 220 | 5 | 1 |
퍼지 | 400 | -- | -- | 220 | 5 | 2 |
단계 | 운반가스 유동 (sccm) | 반응제 | 반응제 유동 (sccm) | 온도(℃) | 압력(Torr) | 시간(sec) |
금속 | 400 | TaCl5 | 40 | 300 | 5 | 0.5 |
퍼지 | 400 | -- | -- | 300 | 5 | 0.5 |
산화제 | 400 | H2O | 40 | 300 | 5 | 0.5 |
퍼지 | 400 | -- | -- | 300 | 5 | 0.5 |
단계 | 운반가스 유동 (sccm) | 반응제 | 반응제 유동 (sccm) | 온도(℃) | 압력(Torr) | 시간(sec) |
금속 | 400 | ZrCl4 | 5 | 300 | 5 | 0.5 |
퍼지 | 400 | -- | -- | 300 | 5 | 3 |
산화제 | 400 | H2O | 40 | 300 | 5 | 2 |
퍼지 | 400 | -- | -- | 300 | 5 | 6 |
단계 | 운반가스 유동 (sccm) | 반응제 | 반응제 유동 (sccm) | 온도(℃) | 압력(Torr) | 시간(sec) |
금속 | 400 | TiCl4 | 20 | 300 | 5 | 0.5 |
퍼지 | 400 | -- | -- | 300 | 5 | 3 |
산화제 | 400 | H2O | 40 | 300 | 5 | 2 |
퍼지 | 400 | -- | -- | 300 | 5 | 6 |
단계 | 운반가스 유동 (sccm) | 반응제 | 반응제 유동 (sccm) | 온도(℃) | 압력(Torr) | 시간(sec) |
금속 | 400 | ZrCl4 | 40 | 300 | 5 | 0.5 |
퍼지 | 400 | -- | -- | 300 | 5 | 3 |
산소 | 400 | H2O | 40 | 300 | 5 | 2 |
퍼지 | 400 | -- | -- | 300 | 5 | 6 |
실리콘 | 400 | AMTMS | 40 | 300 | 5 | 1 |
퍼지 | 400 | -- | -- | 300 | 5 | 2 |
산소 | 400 | O3 | 40 | 300 | 5 | 3.5 |
퍼지 | 400 | -- | -- | 300 | 5 | 1 |
단계 | 운반가스 유동 (sccm) | 반응제 | 반응제 유동 (sccm) | 온도(℃) | 압력(Torr) | 시간(sec) |
금속 | 400 | TiCl4 | 20 | 400 | 10 | 1 |
퍼지 | 400 | -- | -- | 400 | 10 | 1 |
질소 | 400 | NH3 | 100 | 400 | 10 | 2 |
퍼지 | 400 | -- | -- | 400 | 10 | 4 |
단계 | 운반가스 유동 (sccm) | 반응제 | 반응제 유동 (sccm) | 온도(℃) | 압력(Torr) | 시간(sec) |
금속 | 600 | WF6 | 50 | 400 | 10 | 0.25 |
퍼지 | 600 | -- | -- | 400 | 10 | 0.5 |
환원 | 600 | TEB | 40 | 400 | 10 | 0.1 |
퍼지 | 600 | -- | -- | 400 | 10 | 0.8 |
Claims (66)
- 집적회로에 커패시터를 형성하는 방법에 있어서,텍스처 실리콘층을 포함하는 하부 전극을 형성하는 단계, 및상기 텍스처 실리콘층 위에 유전층을 증착하는 단계를 포함하며,상기 증착 단계는,제1 반응제에 대한 노출에 의해 상기 텍스처 실리콘층 위에 제1 재료의 약 한 개의 모노레이어를 형성하는 단계, 및제2 반응제를 제2 재료와 반응시켜 약 한 개의 모노레이어를 남기는 단계를 포함하는 방법.
- 제1항에 있어서,상기 텍스처 실리콘층은 반구형 그레인 모폴로지(morphology)를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 모노레이어를 형성하는 단계는 실질적으로 상기 제2 반응제를 제거하는 제1 화학제를 공급하는 단계를 포함하고, 상기 반응 단계는 실질적으로 상기 제1 반응제를 제거하는 제2 화학제를 공급하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제3항에 있어서,약 10Å와 200Å 사이의 두께를 가지는 유전층이 형성될 때까지 상기 제1 화학제를 공급하는 단계와 상기 제2 화학제를 공급하는 단계를 반복적으로 교대하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제3항에 있어서,상기 제1 화학제와 상기 제2 화학제를 교대로 반복하여 공급하는 동안에 운반가스를 공급하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제5항에 있어서,상기 운반가스는 제1 화학제를 공급하는 단계와 제2 화학제를 공급하는 단계 사이에 반응제를 퍼징하는 것을 특징으로 하는 방법.
- 제6항에 있어서,상기 제1 화학제를 공급하는 단계는 중단되고, 상기 반응챔버는 상기 제2 화학제를 공급하기 전에 약 2 챔버 체적 이상의 퍼지가스로 퍼징되는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 유전층을 증착하는 단계는 상기 제2 재료를 제3 반응제에 노출시켜 제3 재료의 약 한 개의 모노레이어를 남기는 단계를 포함하는 것을 특징으로 하는 방법.
- 제8항에 있어서,상기 유전층은 두 개의 다른 금속과 산소를 포함하는 것을 특징으로 하는 방법.
- 제9항에 있어서,상기 유전층은 금속, 실리콘과 산소를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 유전층은 약 10 보다 큰 유전상수를 갖는 것을 특징으로 하는 방법.
- 제11항에 있어서,상기 유전층은 산화알루미늄, 산화탄탈륨, 산화티타늄, 산화지르코늄, 산화니오붐, 산화하프늄, 산화규소와 이들의 혼합물 및 화합물을 포함하는 그룹에서 선택되는 것을 특징으로 하는 방법.
- 제11항에 있어서,상기 유전층은 약 20 이상의 유전상수를 갖는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 제1 재료는 자기 마무리되는 것을 특징으로 하는 방법.
- 제14항에 있어서,상기 제1 재료는 할로겐화물 리간드로 마무리되는 것을 특징으로 하는 방법.
- 제15항에 있어서,상기 제1 반응제는 할로겐화물 지르코늄을 포함하고, 상기 제2 반응제는 산소 함유 소스가스를 포함하는 것을 특징으로 하는 방법.
- 제14항에 있어서,상기 제1 재료는 유기 리간드로 마무리되는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 제1 재료는 메틸 마무리 알루미늄을 포함하고, 상기 제2 반응제는 산소 함유 소스가스를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 제1 재료는 에톡시드 마무리 탄탈륨을 포함하고, 상기 제1 반응제는 산소 함유 소스가스를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,약 한 개의 모노레이어를 형성하기 이전에 텍스처 실리콘 표면에 직접 장벽층을 형성하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제20항에 있어서,상기 장벽층을 형성하는 단계는 텍스처 실리콘 표면을 질화하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제20항에 있어서,상기 장벽층을 형성하는 단계는 산화규소를 형성하기 위하여 텍스처 실리콘 표면을 산화하는 단계와 상기 산화규소를 질화하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,하부 전극은 3차원 폴딩 구조와 일치하는 것을 특징으로 하는 방법.
- 제23항에 있어서,상기 하부 전극은 반도체 기판 내의 트렌치와 일치하는 것을 특징으로 하는 방법.
- 제23항에 있어서,상기 3차원 폴딩 형태가 반도체 기판 위에 형성되는 것을 특징으로 하는 방법.
- 제25항에 있어서,상기 3차원 형태는 내부 체적을 한정하는 것을 특징으로 하는 방법.
- 제26항에 있어서,상기 3차원 형태는 실린더와 일치하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 유전층 위에 전도층을 증착하는 단계를 더 포함하며,상기 전도층을 증착하는 단계는,제3 반응제에 노출시켜 상기 유전층 위에 제3 재료의 약 한 개의 모노레이어를 형성하는 단계, 및제4 반응제를 상기 제3 재료와 반응시켜 제4 재료의 약 한 개의 모노레이어를 남기는 단계를 포함하는 것을 특징으로 하는 방법.
- 제28항에 있어서,상기 제3 반응제는 금속 복합물을 포함하고, 상기 제4 반응제는 질소 함유 소스가스를 포함하고, 상기 전도층은 질화금속을 포함하는 것을 특징으로 하는 방법.
- 집적회로에서 텍스처 하부 전극 위에 10 보다 큰 유전상수를 갖는 유전층을 형성하는 방법에 있어서,자기 제한 반응에서 금속 함유 물질의 약 한 개의 모노레이어를 형성하는 단계, 및산소 함유 물질을 상기 모노레이어와 반응시키는 단계를 포함하는 것을 특징으로 하는 방법.
- 제30항에 있어서,상기 텍스처 하부 전극은 실리콘을 포함하는 것을 특징으로 하는 방법.
- 제31항에 있어서,상기 텍스처 하부 전극은 반구형 그레인 모폴로지를 갖는 것을 특징으로 하는 방법.
- 제30항에 있어서,상기 자기 제한 반응은 할로겐 마무리 금속막을 형성하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제33항에 있어서,상기 산소 함유 물질과의 반응은 리간드-교환 반응을 포함하는 것을 특징으로 하는 방법.
- 제30항에 있어서,상기 모노레이어를 형성하는 단계와 상기 산소 함유 물질과 반응하는 단계를 상기 유전층이 원하는 두께를 가질 때까지 적어도 약 10회 반복하는 단계를 포함하는 것을 특징으로 하는 방법.
- 집적회로에서의 커패시터 구조체에 있어서,매크로 구조의 3차원 폴딩 형태와 일치하고 텍스처 실리콘 표면을 갖는 하부 전극, 및상기 텍스처 표면에 일치하는 약 10 보다 큰 유전상수를 갖는 커패시터 유전층을 포함하며,상기 유전층의 최대 두께는 약 100Å 미만이며 최소 두께는 최대 두께의 약 95% 보다 큰 것을 특징으로 하는 커패시터 구조체.
- 제36항에 있어서,상기 유전층과 일치하는 상부 전극을 더 포함하며,상기 상부 전극은 전체 텍스처 표면 위의 상기 유전층과 연속 접촉하는 것을 특징으로 하는 커패시터 구조체.
- 제37항에 있어서,상기 상부 전극은 전체 텍스처 표면 위의 상기 유전층과 연속 접촉하는 전도성 장벽층과 상기 전도성 장벽층 위에 형성된 전도성이 더 높은 재료를 포함하는 것을 특징으로 하는 커패시터 구조체.
- 제37항에 있어서,상기 상부 전극은 전체 텍스처 표면 위의 상기 유전층과 연속 접촉하는 원소 금속층을 포함하는 것을 특징으로 하는 커패시터 구조체.
- 제36항에 있어서,상기 커패시터 유전층은 산화금속을 포함하는 것을 특징으로 하는 커패시터 구조체.
- 제40항에 있어서,상기 산화금속은 산화알루미늄을 포함하는 것을 특징으로 하는 커패시터 구조체.
- 제40항에 있어서,상기 산화금속은 전이금속의 산화물을 포함하는 것을 특징으로 하는 커패시터 구조체.
- 제42항에 있어서,상기 텍스처 실리콘층과 상기 유전층 사이에 형성된 컨포멀 장벽층을 더 포함하는 것을 특징으로 하는 커패시터 구조체.
- 제42항에 있어서,상기 산화금속층은 제4 그룹 전이금속의 산화물을 포함하는 것을 특징으로 하는 커패시터 구조체.
- 제42항에 있어서,상기 산화금속은 제5 그룹 전이금속의 산화물을 포함하는 것을 특징으로 하는 커패시터 구조체.
- 제36항에 있어서,상기 유전층은 3원 재료를 포함하는 것을 특징으로 하는 커패시터 구조체.
- 제46항에 있어서,상기 유전층은 금속, 실리콘과 산소를 포함하는 것을 특징으로 하는 커패시터 구조체.
- 제36항에 있어서,상기 유전층은 약 25Å와 100Å 사이의 두께를 갖는 것을 특징으로 하는 커패시터 구조체.
- 제36항에 있어서,최소 두께는 최대 두께의 적어도 약 98%인 것을 특징으로 하는 커패시터 구조체.
- 복수의 메모리 셀을 갖는 집적회로에 있어서,각 메모리 셀은 커패시터를 포함하고, 상기 커패시터는,반구형 그레인 모폴로지와 일치하는 표면을 갖는 제1 전극,산화알루미늄, 산화티타늄, 산화지르코늄, 산화니오붐, 산화하프늄, 산화규소와 이들의 혼합물 및 화합물을 포함하는 그룹에서 선택된 재료를 포함하며, 상기 제1 전극에 인접하며 상기 반구형 그레인 모폴로지와 일치하는 커패시터 유전층,및상기 반구형 그레인 모폴로지에 인접하며, 상기 모폴로지와 일치하는 제2 전극을 포함하는 것을 특징으로 하는 집적회로.
- 제50항에 있어서,상기 커패시터 유전층은 약 10Å와 200Å 사이의 두께를 갖는 것을 특징으로 하는 집적회로.
- 제50항에 있어서,상기 커패시터 유전층은 상기 제1 전극 위의 최대 두께와 상기 최대 두께의 약 95% 이하에서 상기 제1 전극 위의 최소 두께를 갖는 것을 특징으로 하는 집적회로.
- 제50항에 있어서,상기 커패시터 유전층은 복수의 하위층을 더 포함하는 것을 특징으로 하는 집적회로.
- 제53항에 있어서,상기 하위층은 다른 산화금속의 하위층과 교대하는 복수의 제1 산화금속 하위층을 포함하는 것을 특징으로 하는 집적회로.
- 반구형 그레인 실리콘 표면 위에 커패시터 유전층을 형성하는 방법에 있어서,상기 반구형 그레인 실리콘 표면을 제1 단계에서 리간드 마무리 금속 복합물의 약 한 개의 모노레이어로 코팅하는 단계,상기 제1 단계와는 다른, 제2 단계에서 상기 리간드 마무리 금속의 리간드를 산소로 대체하는 단계, 및상기 제1 단계와 상기 제2 단계를 적어도 10 사이클 반복하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제55항에 있어서,각 사이클은 상기 제2 단계 후에 제2 리간드 마무리 금속의 약 한 개의 모노레이어를 흡착하는 단계를 포함하는 제3 단계를 포함하는 것을 특징으로 하는 방법.
- 제56항에 있어서,각 사이클은 상기 제2 리간드 마무리 금속을 산소로 대체하는 단계를 갖는 제4 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제57항에 있어서,상기 제1 단계는 제1 산소 함유 물질을 펄싱하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제58항에 있어서,상기 제4 단계는 다른 산소 함유 물질을 펄싱하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제55항에 있어서,상기 리간드 마무리 금속은 금속 에톡시드 복합물을 포함하는 것을 특징으로 하는 방법.
- 제55항에 있어서,상기 리간드 마무리 금속은 염화금속 복합물을 포함하는 것을 특징으로 하는 방법.
- 제55항에 있어서,약 350℃ 미만의 온도를 유지하는 단계를 포함하는 것을 특징으로 하는 방법.
- 집적회로에서 고 표면적을 갖는 커패시터를 형성하는 방법에 있어서,3차원 폴딩 형태로 하부 전극을 형성하는 단계,텍스처 모폴로지를 상기 3차원 폴딩 형태 위에 부가하는 단계, 및커패시터의 일부를 형성하도록, 적어도 두 개의 교번하는 자기 마무리 화학제를 주기적으로 공급함으로써 텍스처 모폴로지 위에 층을 컨포멀하게 증착하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제63항에 있어서,상기 층은 상기 하부 전극과 직접 접촉하는 커패시터 유전층을 포함하는 것을 특징으로 하는 방법.
- 제63항에 있어서,상기 층은 커패시터 유전층 위에 놓이는 전도성 박층을 포함하며,상기 커패시터 유전층이 상기 하부 전극과 직접 접촉하는 것을 특징으로 하는 방법.
- 제65항에 있어서,상기 하부 전극은 반구형 그레인 실리콘층을 포함하는 것을 특징으로 하는 방법.
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US09/452,844 US6780704B1 (en) | 1999-12-03 | 1999-12-03 | Conformal thin films over textured capacitor electrodes |
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KR100335775B1 (ko) * | 1999-06-25 | 2002-05-09 | 박종섭 | 반도체 소자의 캐패시터 제조 방법 |
US7554829B2 (en) | 1999-07-30 | 2009-06-30 | Micron Technology, Inc. | Transmission lines for CMOS integrated circuits |
WO2001029893A1 (en) * | 1999-10-15 | 2001-04-26 | Asm America, Inc. | Method for depositing nanolaminate thin films on sensitive surfaces |
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-
1999
- 1999-12-03 US US09/452,844 patent/US6780704B1/en not_active Expired - Lifetime
-
2000
- 2000-12-04 JP JP2000368569A patent/JP5079183B2/ja not_active Expired - Fee Related
- 2000-12-04 KR KR1020000072991A patent/KR100737304B1/ko active IP Right Grant
-
2001
- 2001-02-22 US US09/791,072 patent/US6831315B2/en not_active Expired - Fee Related
- 2001-03-13 TW TW089125655A patent/TW486771B/zh not_active IP Right Cessation
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2004
- 2004-03-03 US US10/795,696 patent/US20040175586A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101505970B1 (ko) * | 2006-07-21 | 2015-03-26 | 에이에스엠 아메리카, 인코포레이티드 | 금속 실리케이트 막들의 원자층 증착 |
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US6780704B1 (en) | 2004-08-24 |
JP5079183B2 (ja) | 2012-11-21 |
US20010024387A1 (en) | 2001-09-27 |
TW486771B (en) | 2002-05-11 |
US20040175586A1 (en) | 2004-09-09 |
JP2001200363A (ja) | 2001-07-24 |
US6831315B2 (en) | 2004-12-14 |
KR100737304B1 (ko) | 2007-07-09 |
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