KR100939124B1 - 텅스텐막 형성방법, 성막장치, 기억매체 및 반도체 장치 - Google Patents
텅스텐막 형성방법, 성막장치, 기억매체 및 반도체 장치 Download PDFInfo
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- KR100939124B1 KR100939124B1 KR1020077030782A KR20077030782A KR100939124B1 KR 100939124 B1 KR100939124 B1 KR 100939124B1 KR 1020077030782 A KR1020077030782 A KR 1020077030782A KR 20077030782 A KR20077030782 A KR 20077030782A KR 100939124 B1 KR100939124 B1 KR 100939124B1
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- gas
- tungsten film
- tungsten
- supplying
- silicon
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- 239000010937 tungsten Substances 0.000 title claims abstract description 281
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 281
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 280
- 238000000034 method Methods 0.000 title claims abstract description 123
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- 239000010703 silicon Substances 0.000 claims abstract description 48
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- 239000001257 hydrogen Substances 0.000 claims abstract description 47
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- 238000010926 purge Methods 0.000 claims abstract description 33
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- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims description 3
- 150000001282 organosilanes Chemical class 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 abstract description 29
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 27
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- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 15
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 13
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- XROWMBWRMNHXMF-UHFFFAOYSA-J titanium tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[Ti+4] XROWMBWRMNHXMF-UHFFFAOYSA-J 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910008484 TiSi Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 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
- 239000010953 base metal Substances 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
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- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- PUUOOWSPWTVMDS-UHFFFAOYSA-N difluorosilane Chemical compound F[SiH2]F PUUOOWSPWTVMDS-UHFFFAOYSA-N 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
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- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
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- 150000004756 silanes Chemical class 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910021341 titanium silicide Inorganic materials 0.000 description 1
- PQDJYEQOELDLCP-UHFFFAOYSA-N trimethylsilane Chemical compound C[SiH](C)C PQDJYEQOELDLCP-UHFFFAOYSA-N 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- NXHILIPIEUBEPD-UHFFFAOYSA-H tungsten hexafluoride Chemical compound F[W](F)(F)(F)(F)F NXHILIPIEUBEPD-UHFFFAOYSA-H 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
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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
- C23C16/06—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 metallic material
- C23C16/08—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 metallic material from metal halides
- C23C16/14—Deposition of only one other metal element
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- 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
- C23C16/45523—Pulsed gas flow or change of composition over time
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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
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- C23C16/482—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 by irradiation, e.g. photolysis, radiolysis, particle radiation using incoherent light, UV to IR, e.g. lamps
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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
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- 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
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- 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
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- 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
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- 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
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- 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
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
- H01L21/76855—After-treatment introducing at least one additional element into the layer
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- 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
- H01L21/76871—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
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- 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
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
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Abstract
Description
Claims (13)
- 진공 흡인 가능하게 구성된 처리용기내에서 피처리체의 표면에 텅스텐막을 형성하는 방법으로서,상기 피처리체에 실리콘 함유 가스를 공급하는 공정과,상기 공정후에 텅스텐 함유 가스를 공급하는 텅스텐 함유 가스 공급 스텝과 실리콘을 포함하지 않는 수소 화합물 가스를 공급하는 수소 화합물 가스 공급 스텝을, 양 스텝사이에 상기 처리용기내에 불활성 가스를 공급하는 퍼지 스텝 및/또는 상기 처리용기를 진공 흡인하는 진공 흡인 스텝을 개재시켜, 교대로 반복 실행함으로써 제 1의 텅스텐막을 형성하는 공정,을 갖는 것을 특징으로 하는 텅스텐막의 형성방법.
- 제 1 항에 있어서,상기 제 1의 텅스텐막 상에 상기 텅스텐 함유 가스와 환원성 가스를 동시에 공급함으로써, 제 2의 텅스텐막을 형성하는 공정을 더 갖는 것을 특징으로 하는 텅스텐막의 형성방법.
- 제 2 항에 있어서,상기 제 1의 텅스텐막 형성공정과 상기 제 2의 텅스텐막 형성공정은, 동일 처리용기내에서 실행되는 것을 특징으로 하는 텅스텐막의 형성방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 실리콘 함유 가스는, 모노실레인, 다이실레인, 유기실레인으로부터 선택되는 것을 특징으로 하는 텅스텐막의 형성방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 실리콘을 포함하지 않는 수소 화합물 가스는, 다이보레인 또는 포스핀인 것을 특징으로 하는 텅스텐막의 형성방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 실리콘을 포함하지 않는 수소 화합물 가스는, 수소 희석 다이보레인 가스인 것을 특징으로 하는 텅스텐막의 형성방법.
- 제 2 항 또는 제 3 항에 있어서,상기 환원성 가스는, 수소인 것을 특징으로 하는 텅스텐막의 형성방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 텅스텐 함유 가스는, WF6인 것을 특징으로 하는 텅스텐막의 형성방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 피처리체의 표면에는 TiN 막을 포함하는 배리어층이 형성되어 있는 것을 특징으로 하는 텅스텐막의 형성방법.
- 진공 흡인 가능하게 구성된 처리용기내에서, 콘택트 홀이 형성된 피처리체에 실리콘 함유 가스를 공급하는 공정과,상기 공정후에 텅스텐 함유 가스를 공급하는 텅스텐 함유 가스 공급 스텝과 실리콘을 포함하지 않는 수소 화합물 가스를 공급하는 수소 화합물 가스 공급 스텝을, 양 스텝사이에 상기 처리용기내에 불활성 가스를 공급하는 퍼지 스텝 및/또는 상기 처리용기를 진공 흡인하는 진공 흡인 스텝을 개재시켜, 교대로 반복 실행함으로써 제 1의 텅스텐막을 형성하는 공정과,상기 제 1의 텅스텐막 상에 상기 텅스텐 함유 가스와 환원성 가스를 동시에 공급함으로써, 더욱이 제 2의 텅스텐막을 형성하여 상기 콘택트 홀을 설치하는 공정과,상기 제 2의 텅스텐막 형성후에 상기 피처리체의 표면에 화학기계 연마처리를 실시함으로써 콘택트 플러그를 형성하는 공정,을 갖는 것을 특징으로 하는 텅스텐막의 형성방법.
- 진공 흡인 가능하게 구성된 처리용기와,상기 처리용기내에 설치되어, 피처리체를 탑재하기 위한 탑재대와,상기 피처리체를 가열하기 위한 가열수단과,상기 처리용기내에, 적어도 실리콘수소 함유 가스와, 텅스텐 함유 가스와, 실리콘을 포함하지 않는 수소 화합물 가스를 공급가능한 가스 공급수단과,상기 탑재대에 탑재된 피처리체의 표면에 텅스텐막을 형성할 때에, 상기 가스 공급수단에 의해 상기 피처리체에 실리콘 함유 가스를 공급하는 공정과, 상기 공정후에 상기 가스 공급수단에 의해 텅스텐 함유 가스를 공급하는 텅스텐 함유 가스 공급 스텝과 상기 가스 공급수단에 의해 실리콘을 포함하지 않는 수소 화합물 가스를 공급하는 수소 화합물 가스 공급 스텝을, 양 스텝사이에 상기 처리용기내에 불활성 가스를 공급하는 퍼지 스텝 및/또는 상기 처리용기를 진공 흡인하는 진공 흡인 스텝을 개재시켜, 교대로 반복 실행함으로써 제 1의 텅스텐막을 형성하는 공정을 실행하는 제어부,를 구비한 것을 특징으로 하는 성막장치.
- 진공 흡인 가능하게 구성된 처리용기와, 상기 처리용기내에 설치되어, 피처리체를 탑재하기 위한 탑재대와, 상기 피처리체를 가열하기 위한 가열수단과, 상기 처리용기내에, 적어도 실리콘수소 함유 가스와, 텅스텐 함유 가스와, 실리콘을 포함하지 않는 수소 화합물 가스를 공급가능한 가스 공급수단을 구비하는 성막장치를 이용하여, 컴퓨터에, 상기 처리용기내의 상기 피처리체에 대하여 텅스텐막 형성처리를 실행시키기 위한 프로그램을 기억한 컴퓨터 읽기 가능한 기억매체로서,상기 텅스텐막 형성처리는,상기 가스 공급수단에 의해 상기 피처리체에 실리콘 함유 가스를 공급하는 공정과,상기 공정후에 상기 가스 공급수단에 의해 텅스텐 함유 가스를 공급하는 텅스텐 함유 가스 공급 스텝과 상기 가스 공급수단에 의해 실리콘을 포함하지 않는 수소 화합물 가스를 공급하는 수소 화합물 가스 공급 스텝을, 양 스텝사이에 상기 처리용기내에 불활성 가스를 공급하는 퍼지 스텝 및/또는 상기 처리용기를 진공 흡인하는 진공 흡인 스텝을 개재시켜, 교대로 반복 실행함으로써 제 1의 텅스텐막을 형성하는 공정,을 갖는 것을 특징으로 하는 기억매체.
- 진공 흡인 가능하게 구성된 처리용기내에서, 콘택트 홀이 형성된 피처리체에 실리콘 함유 가스를 공급하는 공정과,상기 공정후에 텅스텐 함유 가스를 공급하는 텅스텐 함유 가스 공급 스텝과 실리콘을 포함하지 않는 수소 화합물 가스를 공급하는 수소 화합물 가스 공급 스텝을, 양 스텝사이에 상기 처리용기내에 불활성 가스를 공급하는 퍼지 스텝 및/또는 상기 처리용기를 진공 흡인하는 진공 흡인 스텝을 개재시켜, 교대로 반복 실행함으로써 제 1의 텅스텐막을 형성하는 공정과,상기 제 1의 텅스텐막 상에 상기 텅스텐 함유 가스와 환원성 가스를 동시에 공급함으로써, 더욱이 제 2의 텅스텐막을 형성하여 상기 콘택트 홀을 설치하는 공 정과,상기 제 2의 텅스텐막 형성후에 상기 피처리체의 표면에 화학기계 연마처리를 실시함으로써 콘택트 플러그를 형성하는 공정,을 갖는 방법에 의해 형성된 콘택트 플러그를 구비하는 것을 특징으로 하는 반도체 장치.
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CN101899649A (zh) | 2010-12-01 |
WO2007004443A1 (ja) | 2007-01-11 |
US20090045517A1 (en) | 2009-02-19 |
CN101899649B (zh) | 2012-11-21 |
TWI390612B (zh) | 2013-03-21 |
CN101213320A (zh) | 2008-07-02 |
US8168539B2 (en) | 2012-05-01 |
TW200710968A (en) | 2007-03-16 |
JP2007009298A (ja) | 2007-01-18 |
JP4945937B2 (ja) | 2012-06-06 |
KR20080015129A (ko) | 2008-02-18 |
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