KR100628923B1 - 성막방법 - Google Patents
성막방법 Download PDFInfo
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- KR100628923B1 KR100628923B1 KR1020047003122A KR20047003122A KR100628923B1 KR 100628923 B1 KR100628923 B1 KR 100628923B1 KR 1020047003122 A KR1020047003122 A KR 1020047003122A KR 20047003122 A KR20047003122 A KR 20047003122A KR 100628923 B1 KR100628923 B1 KR 100628923B1
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- 238000000034 method Methods 0.000 title claims abstract description 119
- 239000007789 gas Substances 0.000 claims abstract description 425
- 229910052751 metal Inorganic materials 0.000 claims abstract description 119
- 239000002184 metal Substances 0.000 claims abstract description 119
- 238000012545 processing Methods 0.000 claims abstract description 94
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims abstract description 82
- 230000008569 process Effects 0.000 claims abstract description 60
- 239000011261 inert gas Substances 0.000 claims abstract description 37
- 150000004767 nitrides Chemical class 0.000 claims abstract description 23
- HDZGCSFEDULWCS-UHFFFAOYSA-N monomethylhydrazine Chemical compound CNN HDZGCSFEDULWCS-UHFFFAOYSA-N 0.000 claims description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 17
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 6
- DIIIISSCIXVANO-UHFFFAOYSA-N 1,2-Dimethylhydrazine Chemical compound CNNC DIIIISSCIXVANO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 abstract description 35
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 30
- 229910052801 chlorine Inorganic materials 0.000 abstract description 30
- 230000002159 abnormal effect Effects 0.000 abstract description 13
- 230000001629 suppression Effects 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 162
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 80
- 238000000151 deposition Methods 0.000 description 25
- 238000012986 modification Methods 0.000 description 25
- 230000004048 modification Effects 0.000 description 25
- 238000010926 purge Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 16
- 238000005121 nitriding Methods 0.000 description 16
- 230000008021 deposition Effects 0.000 description 14
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 14
- 239000010410 layer Substances 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 238000005137 deposition process Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 3
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- 229920006395 saturated elastomer Polymers 0.000 description 3
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
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- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
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- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 244000290594 Ficus sycomorus Species 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
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- 238000000635 electron micrograph Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28556—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by chemical means, e.g. CVD, LPCVD, PECVD, laser CVD
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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
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/34—Nitrides
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- C—CHEMISTRY; METALLURGY
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- 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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
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- C—CHEMISTRY; METALLURGY
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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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/45565—Shower nozzles
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
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- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
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Abstract
Description
Claims (22)
- 진공흡인 가능한 처리용기 내에 있어서 피처리체의 표면에 금속질화막을 형성하는 방법에 있어서,불활성 가스를 통상의 성막온도보다 낮은 저성막온도의 처리용기 내로 연속적으로 공급하는 공정과,상기 불활성 가스의 연속적인 공급공정 중에 있어서, 금속소스가스를 처리용기 내로 간헐적으로 공급하는 공정,상기 금속소스가스의 간헐적인 공급공정 중에 있어서, 질소함유 환원가스를 상기 금속소스가스의 공급기간 중에 상기 금속소스가스의 공급과 동시에 처리용기 내로 공급하는 공정 및,상기 금속소스가스의 간헐적인 공급공정 중에 있어서, 상기 질소함유 환원가스를 상기 금속소스가스의 비공급기간 중에 당해 비공급기간보다도 짧은 기간으로 처리용기 내로 공급하는 공정을 구비한 것을 특징으로 하는 성막방법.
- 제1항에 있어서, 저성막온도는 150℃∼450℃인 것을 특징으로 하는 성막방법.
- 제1항에 있어서, 상기 질소함유 환원가스가 상기 금속소스가스의 비공급기간 중에 당해 비공급기간보다도 짧은 기간으로 처리용기 내로 공급되는 공정 중에 있어서, 상기 질소함유 환원가스의 공급과 동시에 당해 질소함유 환원가스보다도 환원력이 강한 제2 질소함유 환원가스가 공급되도록 되어 있는 것을 특징으로 하는 성막방법.
- 제1항에 있어서, 상기 질소함유 환원가스가 상기 금속소스가스의 비공급기간 중에 당해 비공급기간보다도 짧은 기간으로 처리용기 내로 공급되는 공정 중에 있어서, 상기 질소함유 환원가스의 공급과 동시에 플라즈마 원조가스가 공급되어 플라즈마가 발생되도록 되어 있는 것을 특징으로 하는 성막방법.
- 제4항에 있어서, 상기 플라즈마 원조가스의 공급과 동시에, 환원가스가 공급되도록 되어 있는 것을 특징으로 하는 성막방법.
- 진공흡인 가능한 처리용기 내에 있어서 피처리체의 표면에 금속질화막을 형성하는 방법에 있어서,불활성 가스 및 질소함유 환원가스를 통상의 성막온도보다 낮은 저성막온도의 처리용기 내로 연속적으로 공급하는 공정과,상기 불활성 가스 및 질소함유 환원가스의 연속적인 공급 중에 있어서, 금속소스가스를 처리용기 내로 간헐적으로 공급하는 공정을 구비한 것을 특징으로 하는 성막방법.
- 제6항에 있어서, 저성막온도는 150℃∼450℃인 것을 특징으로 하는 성막방 법.
- 제6항에 있어서, 상기 금속소스가스의 간헐적인 공급기간 중에 있어서, 상기 질소함유 환원가스보다도 환원력이 강한 제2 질소함유 환원가스가 상기 금속소스가스의 비공급기간 중에 당해 비공급기간보다도 짧은 기간으로 처리용기 내로 공급되도록 되어 있는 것을 특징으로 하는 성막방법.
- 제6항에 있어서, 상기 금속소스가스의 간헐적인 공급공정 중에 있어서, 플라즈마 원조가스가 상기 금속소스가스의 비공급기간 중에 당해 비공급기간보다도 짧은 기간으로 처리용기 내로 공급되어 플라즈마가 발생되도록 되어 있는 것을 특징으로 하는 성막방법.
- 제9항에 있어서, 상기 플라즈마 원조가스의 공급과 동시에, 환원가스가 공급되도록 되어 있는 것을 특징으로 하는 성막방법.
- 진공흡인 가능한 처리용기 내에 있어서 피처리체의 표면에 금속질화막을 형성하는 방법에 있어서,불활성 가스를 통상의 성막온도보다 낮은 저성막온도의 처리용기 내로 연속적으로 공급하는 공정과,상기 불활성 가스의 연속적인 공급공정 중에 있어서, 금속소스가스를 처리용기 내로 간헐적으로 공급하는 공정,상기 금속소스가스의 간헐적인 공급공정 중에 있어서, 질소함유 환원가스를 상기 금속소스가스의 공급기간 중에 당해 공급기간보다도 짧은 기간으로 처리용기 내로 공급하는 공정 및,상기 금속소스가스의 간헐적인 공급공정 중에 있어서, 상기 질소함유 환원가스를 상기 금속소스가스의 비공급기간 중에 당해 비공급기간보다도 짧은 기간으로 처리용기 내로 공급하는 공정을 구비한 것을 특징으로 하는 성막방법.
- 제11항에 있어서, 저성막온도는 150℃∼450℃인 것을 특징으로 하는 성막방법.
- 제11항에 있어서, 상기 질소함유 환원가스가 상기 금속소스가스의 비공급기간 중에 당해 비공급기간보다도 짧은 기간으로 처리용기 내로 공급되는 공정 중에 있어서, 상기 질소함유 환원가스의 공급과 동시에 당해 질소함유 환원가스보다도 환원력이 강한 제2 질소함유 환원가스가 공급되도록 되어 있는 것을 특징으로 하는 성막방법.
- 제11항에 있어서, 상기 질소함유 환원가스가 상기 금속소스가스의 비공급기간 중에 당해 비공급기간보다도 짧은 기간으로 처리용기 내로 공급되는 공정 중에 있어서, 상기 질소함유 환원가스의 공급과 동시에 플라즈마 원조가스가 공급되어 플라즈마가 발생되도록 되어 있는 것을 특징으로 하는 성막방법.
- 제14항에 있어서, 상기 플라즈마 원조가스의 공급과 동시에, 환원가스가 공급되도록 되어 있는 것을 특징으로 하는 성막방법.
- 진공흡인 가능한 처리용기 내에 있어서 피처리체의 표면에 금속질화막을 형성하는 방법에 있어서,불활성 가스를 통상의 성막온도보다 낮은 저성막온도의 처리용기 내로 연속적으로 공급하는 공정과,상기 불활성 가스의 연속적인 공급공정 중에 있어서, 금속소스가스를 처리용기 내로 간헐적으로 공급하는 공정,상기 금속소스가스의 간헐적인 공급공정 중에 있어서, 질소함유 환원가스를 상기 금속소스가스의 공급기간 중에 상기 금속소스가스의 공급과 동시에 처리용기 내로 공급하는 공정 및,상기 금속소스가스의 간헐적인 공급공정 중에 있어서, 상기 질소함유 환원가스보다도 환원력이 강한 제2 질소함유 환원가스를 상기 금속소스가스의 비공급기간 중에 당해 비공급기간보다도 짧은 기간으로 처리용기 내로 공급하는 공정을 구비한 것을 특징으로 하는 성막방법.
- 진공흡인 가능한 처리용기 내에 있어서 피처리체의 표면에 금속질화막을 형성하는 방법에 있어서,불활성 가스를 통상의 성막온도보다 낮은 저성막온도의 처리용기 내로 연속적으로 공급하는 공정과,상기 불활성 가스의 연속적인 공급공정 중에 있어서, 금속소스가스를 처리용기 내로 간헐적으로 공급하는 공정,상기 금속소스가스의 간헐적인 공급공정 중에 있어서, 질소함유 환원가스를 상기 금속소스가스의 공급기간 중에 상기 금속소스가스의 공급과 동시에 처리용기 내로 공급하는 공정 및,상기 금속소스가스의 간헐적인 공급공정 중에 있어서, 플라즈마 원조가스를 상기 금속소스가스의 비공급기간 중에 당해 비공급기간보다도 짧으면서 다음의 상기 금속소스가스의 공급기간에 연속하는 기간으로 처리용기 내로 공급하여 플라즈마를 발생시키는 공정을 구비한 것을 특징으로 하는 성막방법.
- 제17항에 있어서, 상기 플라즈마 원조가스의 공급과 동시에, 환원가스가 공급되도록 되어 있는 것을 특징으로 하는 성막방법.
- 제1항에 있어서, 상기 금속소스가스는 TiCl4가스이고, 상기 질소함유 환원가스는 NH3가스인 것을 특징으로 하는 성막방법.
- 제1항에 있어서, 상기 불활성 가스는 N2가스인 것을 특징으로 하는 성막방법.
- 제1항에 있어서, 상기 불활성 가스는 Ar가스인 것을 특징으로 하는 성막방법.
- 제3항에 있어서, 상기 제2 질소함유 환원가스는 히드라진, 모노메틸히드라진, 디메틸히드라진의 어느 하나인 것을 특징으로 하는 성막방법.
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PCT/JP2002/008878 WO2003021650A1 (fr) | 2001-09-03 | 2002-09-02 | Procede de formation d'un film |
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-
2001
- 2001-09-03 JP JP2001265243A patent/JP4178776B2/ja not_active Expired - Lifetime
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US20040235191A1 (en) | 2004-11-25 |
JP4178776B2 (ja) | 2008-11-12 |
JP2003077864A (ja) | 2003-03-14 |
WO2003021650A1 (fr) | 2003-03-13 |
KR20040044525A (ko) | 2004-05-28 |
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