JP7479479B2 - 触媒増強された継ぎ目なしのルテニウム間隙充填 - Google Patents
触媒増強された継ぎ目なしのルテニウム間隙充填 Download PDFInfo
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- JP7479479B2 JP7479479B2 JP2022542193A JP2022542193A JP7479479B2 JP 7479479 B2 JP7479479 B2 JP 7479479B2 JP 2022542193 A JP2022542193 A JP 2022542193A JP 2022542193 A JP2022542193 A JP 2022542193A JP 7479479 B2 JP7479479 B2 JP 7479479B2
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- hexadiene
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- 229910052707 ruthenium Inorganic materials 0.000 title claims description 47
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 title claims description 46
- 238000011049 filling Methods 0.000 title description 4
- 239000000758 substrate Substances 0.000 claims description 246
- 229910052751 metal Inorganic materials 0.000 claims description 213
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- 238000012545 processing Methods 0.000 claims description 185
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- 239000003054 catalyst Substances 0.000 claims description 110
- 239000002243 precursor Substances 0.000 claims description 87
- 238000000151 deposition Methods 0.000 claims description 86
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- 229910052736 halogen Inorganic materials 0.000 claims description 59
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- 239000003446 ligand Substances 0.000 claims description 53
- 125000001931 aliphatic group Chemical group 0.000 claims description 30
- AHAREKHAZNPPMI-AATRIKPKSA-N (3e)-hexa-1,3-diene Chemical compound CC\C=C\C=C AHAREKHAZNPPMI-AATRIKPKSA-N 0.000 claims description 26
- 125000003118 aryl group Chemical group 0.000 claims description 21
- -1 cyclic dienes Chemical class 0.000 claims description 21
- PRBHEGAFLDMLAL-UHFFFAOYSA-N 1,5-Hexadiene Natural products CC=CCC=C PRBHEGAFLDMLAL-UHFFFAOYSA-N 0.000 claims description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 18
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical compound C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 claims description 18
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 18
- PRBHEGAFLDMLAL-GQCTYLIASA-N (4e)-hexa-1,4-diene Chemical compound C\C=C\CC=C PRBHEGAFLDMLAL-GQCTYLIASA-N 0.000 claims description 16
- 229910052721 tungsten Inorganic materials 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000003989 dielectric material Substances 0.000 claims description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 9
- 239000010937 tungsten Substances 0.000 claims description 9
- 239000010941 cobalt Substances 0.000 claims description 8
- 229910017052 cobalt Inorganic materials 0.000 claims description 8
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 8
- 150000004767 nitrides Chemical class 0.000 claims description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- ARKHCBWJALMQJO-UHFFFAOYSA-N 1,2-bis(ethenyl)cyclohexane Chemical compound C=CC1CCCCC1C=C ARKHCBWJALMQJO-UHFFFAOYSA-N 0.000 claims description 6
- GTUOTYSUNDPMPS-UHFFFAOYSA-N 1-prop-2-enylcyclohexene Chemical compound C=CCC1=CCCCC1 GTUOTYSUNDPMPS-UHFFFAOYSA-N 0.000 claims description 6
- RGURBRHZWFDJBM-UHFFFAOYSA-N 3-Allylcyclohexene Chemical compound C=CCC1CCCC=C1 RGURBRHZWFDJBM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- HFPZCAJZSCWRBC-UHFFFAOYSA-N p-cymene Chemical compound CC(C)C1=CC=C(C)C=C1 HFPZCAJZSCWRBC-UHFFFAOYSA-N 0.000 claims description 4
- NZZFYRREKKOMAT-UHFFFAOYSA-N diiodomethane Chemical compound ICI NZZFYRREKKOMAT-UHFFFAOYSA-N 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- HVTICUPFWKNHNG-UHFFFAOYSA-N iodoethane Chemical compound CCI HVTICUPFWKNHNG-UHFFFAOYSA-N 0.000 claims description 2
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- 238000012546 transfer Methods 0.000 description 21
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 17
- 238000000429 assembly Methods 0.000 description 15
- 230000000712 assembly Effects 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 229910052786 argon Inorganic materials 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
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- 239000000126 substance Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000001307 helium Substances 0.000 description 5
- 229910052734 helium Inorganic materials 0.000 description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 5
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- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
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- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
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- 125000005843 halogen group Chemical group 0.000 description 3
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 3
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- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- 150000001345 alkine derivatives Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
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- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 2
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- DQQNMIPXXNPGCV-UHFFFAOYSA-N 3-hexyne Chemical compound CCC#CCC DQQNMIPXXNPGCV-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
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- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—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
-
- 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
- C23C16/02—Pretreatment of the material to be coated
-
- 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
- C23C16/06—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
- C23C16/18—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 metallo-organic compounds
-
- 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
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0272—Deposition of sub-layers, e.g. to promote the adhesion of the main coating
-
- 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
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Description
Claims (16)
- 膜を堆積させる方法であって、
一般式(I):M-L1(L2)y(式中、Mはルテニウムであり、L1は芳香族配位子であり、L2は脂肪族配位子であり、yは2~8の範囲の数であり、L2は1,5-ヘキサジエン、1,4-ヘキサジエン、及び5%未満の1,3-ヘキサジエン及び不斉環状ジエンを含み、1,4-ヘキサジエン、1,3-ヘキサジエン及び不斉環状ジエンの合計に対する1,5-ヘキサジエンの量の比は、50:50から60:40の範囲にある)の前駆体に、内部に形成された少なくとも1つのフィーチャを含み、前記少なくとも1つのフィーチャは、側壁及び底部を有する基板表面を曝露することによって前記基板表面上にルテニウム膜を形成すること、
を含む方法。 - 前記膜を形成する前に、前記基板表面をハロゲン触媒に曝露することによって、活性化基板表面を形成することをさらに含む、請求項1に記載の方法。
- 芳香族配位子L1がη2、η4、η6、及びη8から選択されるπ電子系を含む、請求項1に記載の方法。
- 芳香族配位子L1が1-メチル-4-イソプロピルベンゼンを含む、請求項3に記載の方法。
- 前記不斉環状ジエンが、3-(2-プロペニル)-シクロヘキセン、1-(2-プロペニル)-シクロヘキセン、1,3-プロパジエン-シクロヘキサン、及び1,2-ジビニルシクロヘキサンのうちの1つ又は複数を含む、請求項1に記載の方法。
- yが2~6の範囲の数である、請求項1に記載の方法。
- 誘電材料の表面が前記側壁を形成し、金属材料の表面が前記底部を形成する、請求項1に記載の方法。
- 前記少なくとも1つのフィーチャに金属窒化物ライナを堆積させることをさらに含む、請求項7に記載の方法。
- 前記基板表面を前記ハロゲン触媒に曝露する前に、前記基板表面上にシード層を堆積させることをさらに含む、請求項2に記載の方法。
- 前記基板表面をハロゲン触媒に曝露することが、基板をハロゲン化アルキル触媒に浸漬することを含む、請求項1に記載の方法。
- 前記ハロゲン化アルキル触媒が、ヨードエタン又はジヨードメタンを含む、請求項10に記載の方法。
- 膜を堆積させる方法であって、
内部に形成された少なくとも1つのフィーチャを有し、前記少なくとも1つのフィーチャは、側壁及び底部を有する基板表面をハロゲン触媒に曝露して、活性化基板表面を形成することと、
前記活性化基板表面を一般式(I):M-L1(L2)y(式中、Mは、モリブデン(Mo)、ルテニウム(Ru)、コバルト(Co)、銅(Cu)、白金(Pt)、ニッケル(Ni)、又はタングステン(W)から選択される金属であり、L1は芳香族配位子であり、L2は脂肪族配位子であり、前記基板表面上に金属膜を形成するためyは2~8の範囲の数であり、L2は1,5-ヘキサジエン、1,4-ヘキサジエン、1,3-ヘキサジエン及び不斉環状ジエンを含み、1,4-ヘキサジエン、1,3-ヘキサジエン及び不斉環状ジエンの合計に対する1,5-ヘキサジエンの比は、50:50から60:40の範囲にある)の前駆体に曝露することと、
を含み、金属膜が少なくとも1つのフィーチャを充填し、金属膜に継ぎ目やボイドが実質的にない、方法。 - 前記芳香族配位子L1がη2、η4、η6、及びη8から選択されるπ電子系を含む、請求項12に記載の方法。
- 前記少なくとも1つのフィーチャに金属窒化物ライナを堆積させることをさらに含む、請求項12に記載の方法。
- 前記基板表面を前記ハロゲン触媒に曝露することが、基板をハロゲン化アルキル触媒に浸漬することを含む、請求項12に記載の方法。
- 処理チャンバのコントローラによって実行されると、前記処理チャンバに、膜を堆積させる操作を実行させる命令を含む非一時的なコンピュータ可読媒体であって、前記操作は、
基板表面をハロゲン触媒に曝露して、活性化基板表面を形成することと、
前記基板を有する前記処理チャンバの処理空間に前駆体を流し込むことであって、前記前駆体は、一般式(I):M-L1(L2)y(式中、Mは、モリブデン(Mo)、ルテニウム(Ru)、コバルト(Co)、銅(Cu)、白金(Pt)、ニッケル(Ni)、又はタングステン(W)から選択される金属であり、L1は芳香族配位子であり、L2は脂肪族配位子であり、yは2~8の範囲の数であり、L2は1,5-ヘキサジエン、1,4-ヘキサジエン、1,3-ヘキサジエン及び不斉環状ジエンを含み、1,4-ヘキサジエン、1,3-ヘキサジエン及び不斉環状ジエンの合計に対する1,5-ヘキサジエンの比は、50:50から60:40の範囲にある)を有する、前駆体を流し込むことと、
からなる、非一時的なコンピュータ可読媒体。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202062959509P | 2020-01-10 | 2020-01-10 | |
US62/959,509 | 2020-01-10 | ||
US202062993943P | 2020-03-24 | 2020-03-24 | |
US62/993,943 | 2020-03-24 | ||
US17/140,419 | 2021-01-04 | ||
US17/140,419 US11401602B2 (en) | 2020-01-10 | 2021-01-04 | Catalyst enhanced seamless ruthenium gap fill |
PCT/US2021/012141 WO2021141876A1 (en) | 2020-01-10 | 2021-01-05 | Catalyst enhanced seamless ruthenium gap fill |
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