KR20090092332A - 배리어층 표면 패시베이션을 위한 방법 및 시스템 - Google Patents
배리어층 표면 패시베이션을 위한 방법 및 시스템Info
- Publication number
- KR20090092332A KR20090092332A KR1020097015090A KR20097015090A KR20090092332A KR 20090092332 A KR20090092332 A KR 20090092332A KR 1020097015090 A KR1020097015090 A KR 1020097015090A KR 20097015090 A KR20097015090 A KR 20097015090A KR 20090092332 A KR20090092332 A KR 20090092332A
- Authority
- KR
- South Korea
- Prior art keywords
- barrier layer
- passivated surface
- copper
- module
- deposition
- Prior art date
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 285
- 238000000034 method Methods 0.000 title claims abstract description 198
- 238000002161 passivation Methods 0.000 title description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 203
- 229910052802 copper Inorganic materials 0.000 claims abstract description 203
- 239000010949 copper Substances 0.000 claims abstract description 203
- 238000000151 deposition Methods 0.000 claims abstract description 169
- 230000008569 process Effects 0.000 claims abstract description 123
- 230000008021 deposition Effects 0.000 claims abstract description 115
- 239000000758 substrate Substances 0.000 claims abstract description 72
- 238000012546 transfer Methods 0.000 claims abstract description 67
- 238000001465 metallisation Methods 0.000 claims abstract description 35
- 239000001301 oxygen Substances 0.000 claims description 37
- 229910052760 oxygen Inorganic materials 0.000 claims description 37
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 36
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 229910052723 transition metal Inorganic materials 0.000 claims description 25
- 150000003624 transition metals Chemical class 0.000 claims description 25
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 24
- 229910052710 silicon Inorganic materials 0.000 claims description 24
- 239000010703 silicon Substances 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 19
- 150000003623 transition metal compounds Chemical class 0.000 claims description 19
- 238000000231 atomic layer deposition Methods 0.000 claims description 16
- 230000007613 environmental effect Effects 0.000 claims description 16
- 238000007747 plating Methods 0.000 claims description 16
- 229910052715 tantalum Inorganic materials 0.000 claims description 16
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 15
- 239000000376 reactant Substances 0.000 claims description 14
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 13
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 11
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 11
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 11
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 11
- 229910052794 bromium Inorganic materials 0.000 claims description 11
- 229910052731 fluorine Inorganic materials 0.000 claims description 11
- 239000011737 fluorine Substances 0.000 claims description 11
- 229910052740 iodine Inorganic materials 0.000 claims description 11
- 239000011630 iodine Substances 0.000 claims description 11
- 229910021332 silicide Inorganic materials 0.000 claims description 11
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 11
- 238000005137 deposition process Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 239000012495 reaction gas Substances 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 229910052741 iridium Inorganic materials 0.000 claims description 5
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 229910052762 osmium Inorganic materials 0.000 claims description 5
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 5
- 229910052702 rhenium Inorganic materials 0.000 claims description 5
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 5
- 229910052703 rhodium Inorganic materials 0.000 claims description 5
- 239000010948 rhodium Substances 0.000 claims description 5
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 5
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical group [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000003486 chemical etching Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 238000001020 plasma etching Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 3
- 206010010144 Completed suicide Diseases 0.000 claims 1
- 238000007772 electroless plating Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 16
- 239000004065 semiconductor Substances 0.000 abstract description 13
- 239000010410 layer Substances 0.000 description 193
- 239000000463 material Substances 0.000 description 17
- 210000002381 plasma Anatomy 0.000 description 16
- 238000010586 diagram Methods 0.000 description 15
- 238000005530 etching Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 11
- 239000011261 inert gas Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000005240 physical vapour deposition Methods 0.000 description 6
- 238000004381 surface treatment Methods 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000007872 degassing Methods 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000010561 standard procedure Methods 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 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 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- -1 tantalum nitrides Chemical class 0.000 description 2
- 229910001936 tantalum oxide Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005389 semiconductor device fabrication Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/02—Pretreatment of the material to be coated
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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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/02—Pretreatment of the material to be coated
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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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/60—After-treatment
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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
- C23C16/54—Apparatus specially adapted for continuous coating
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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
- C23C16/56—After-treatment
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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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
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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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1619—Apparatus for electroless plating
- C23C18/1632—Features specific for the apparatus, e.g. layout of cells and of its equipment, multiple cells
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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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/54—Contact plating, i.e. electroless electrochemical plating
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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
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
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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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
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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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
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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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
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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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/001—Apparatus specially adapted for electrolytic coating of wafers, e.g. semiconductors or solar cells
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Abstract
Description
Claims (41)
- 집적 회로 금속화 (metallization) 를 위해 전이 금속 배리어층 또는 전이 금속 화합물 배리어층 상에 갭필 구리층을 증착하여, 상기 배리어층과 상기 갭필 구리층 사이에 실질적으로 무산소 (oxygen-free) 계면을 형성하도록 하는 방법으로서,(a) 기판의 표면 상에 상기 배리어층을 형성하는 단계;(b) 상기 배리어층 상에 제거가능한 패시베이팅된 (passivated) 표면을 형성하는 단계;(c) 상기 배리어층으로부터 상기 패시베이팅된 표면을 제거하는 단계; 및(d) 상기 배리어층 상에 상기 갭필 구리층을 증착하는 단계를 포함하는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,1. 소정의 시간동안 상기 배리어층 상에 상기 패시베이팅된 표면을 구비한 상기 기판을 스토어링하는 단계와,2. 상기 배리어층 상에 상기 패시베이팅된 표면을 구비한 상기 기판을 수송하는 단계 중 적어도 하나의 단계를 더 포함하는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 패시베이팅된 표면은 실질적으로 무산소인, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,1. 소정의 시간동안 산소 포함 환경에서 상기 배리어층 상에 상기 패시베이팅된 표면을 구비한 상기 기판을 스토어링하는 단계와,2. 산소 포함 환경에서 상기 배리어층 상에 상기 패시베이팅된 표면을 구비한 상기 기판을 수송하는 단계 중 적어도 하나의 단계를 더 포함하는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,1. 소정의 시간동안 실질적으로 무산소 포함 환경에서 상기 배리어층 상에 상기 패시베이팅된 표면을 구비한 상기 기판을 스토어링하는 단계와,2. 실질적으로 무산소 포함 환경에서 상기 배리어층 상에 상기 패시베이팅된 표면을 구비한 상기 기판을 수송하는 단계 중 적어도 하나의 단계를 더 포함하는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 패시베이팅된 표면을 제거하는 단계는,상기 배리어층 상에 상기 갭필 구리층을 증착하는 단계의 부분으로서 일어나는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,수소 포함 플라즈마에서 상기 배리어층 표면을 처리하여, 상기 배리어층 표면에서 산화물을 세정하는 단계를 포함하는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,상기 배리어층의 표면을 전이 금속으로 리치화하는 단계를 포함하는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,원자층 증착에 의해 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 배리어층은 탄탈륨 또는 탄탈륨 질화물을 포함하는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,불소, 브롬, 및 요오드의 원소들 중 적어도 1종을 포함하는 반응 가스로 상기 배리어층을 처리하여 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,불소, 브롬, 및 요오드의 원소들 중 적어도 1종을 포함하는 화합물로부터 발생된 반응 가스로 상기 배리어층을 처리하여 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,불소, 브롬, 및 요오드의 원소들 중 적어도 1종을 포함하는 글로우 방전으로 상기 배리어층을 처리하여 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,실리콘을 포함하는 반응 가스로 상기 배리어층을 처리하여 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,실리콘을 포함하는 반응 가스로 상기 배리어층을 처리하고, 상기 기판을 유효량 가열하여, 상기 배리어층의 표면에 전이 금속과 함께 실리사이드를 형성하도록 하는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,상기 배리어층 표면의 실리사이드화에 의해 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,실리사이드를 형성하도록 상기 배리어층 상에 금속 및 실리콘을 증착하여 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,루테늄의 유효량의 원자층 증착에 의해 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,코발트, 로듐, 레늄, 오스뮴, 이리듐, 및 몰리브덴 중 적어도 1종의 유효량의 증착에 의해 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 제거가능한 패시베이팅된 표면을 형성하는 단계는,상기 배리어층을 형성하기 위한 디척킹 (dechucking) 공정 동안 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 패시베이팅된 표면은 수성 무전해 구리 증착액에서 잔존성 (survivability) 을 가지는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 패시베이팅된 표면을 제거하는 단계는,플라즈마 식각 공정을 이용하여 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 패시베이팅된 표면을 제거하는 단계는,액체 화학 식각 공정을 이용하여 수행되는, 갭필 구리층 증착 방법.
- 제 1 항에 있어서,상기 패시베이팅된 표면을 제거하는 단계는,무전해 도금액을 사용하여 수행되는, 갭필 구리층 증착 방법.
- 집적 회로 금속화 (metallization) 를 위해 전이 금속 배리어층 또는 전이 금속 화합물 배리어층 상에 구리층을 증착하여, 상기 배리어층과 상기 구리층 사이에 실질적으로 무산소 (oxygen-free) 계면을 형성하도록 하는 집적 시스템으로서,기판 상에 배리어층을 형성하도록 구성된 배리어 증착 모듈;상기 배리어층 상에 패시베이팅된 표면을 형성하도록 구성된 패시베이팅된 표면 형성 모듈;상기 배리어층으로부터 상기 패시베이팅된 표면을 제거하도록 구성된 패시베이팅된 표면 제거 모듈;갭필 구리층을 증착하도록 구성된 구리 갭필 모듈; 및상기 기판의 진공 이송 또는 상기 기판의 제어된 환경 이송을 위해 구성된 적어도 하나의 이송 모듈을 포함하고,상기 적어도 하나의 이송 모듈은 상기 배리어 증착 모듈, 상기 패시베이팅된 표면 형성 모듈, 상기 패시베이팅된 표면 제거 모듈 및 상기 구리 갭필 모듈에 커플링되고, 상기 기판이 산소 포함 환경에 실질적으로 노출되지 않고 상기 모듈들 이송될 수 있도록 구성되는, 집적 시스템.
- 제 25 항에 있어서,상기 배리어 증착 모듈은 탄탈륨 또는 탄탈륨 질화물을 증착하도록 구성된, 집적 시스템.
- 제 25 항에 있어서,상기 패시베이팅된 표면 형성 모듈은 불소, 브롬, 및 요오드의 원소들 중 적어도 1종을 포함하는 반응 가스 혼합물로 상기 배리어층을 처리하거나;실리콘을 포함하는 반응 가스로 상기 배리어층을 처리하거나;실리콘을 포함하는 반응 가스로 상기 배리어층을 처리하고, 상기 기판을 유효량 가열하여, 상기 배리어층의 표면에서 전이 금속과 함께 실리사이드를 형성하도록 하거나;금속 및 실리콘을 상기 배리어층 상에 증착하여 실리사이드를 형성하도록 하거나; 또는코발트, 로듐, 레늄, 오스뮴, 이리듐, 및 몰리브덴 중 적어도 1종의 유효량을 원자층 증착에 의해 증착하도록 구성된, 집적 시스템.
- 제 25 항에 있어서,상기 패시베이팅된 표면 제거 모듈은 플라즈마 식각 모듈 또는 액체 화학 식각 모듈을 포함하는, 집적 시스템.
- 제 25 항에 있어서,상기 구리 갭필 모듈은 무전해 증착 모듈 및 전기화학 도금 모듈 중 적어도 하나를 포함하는, 집적 시스템.
- 제 25 항에 있어서,상기 패시베이팅된 표면 형성 모듈은 원자층 증착 모듈, 실리콘 증착 모듈, 또는 실리사이드화 모듈을 포함하는, 집적 시스템.
- 집적 회로 금속화 (metallization) 를 위해 전이 금속 배리어층 또는 전이 금속 화합물 배리어층 상에 갭필 구리층을 증착하여, 상기 배리어층과 상기 갭필 구리층 사이에 실질적으로 무산소 (oxygen-free) 계면을 형성하도록 하는 집적 시스템으로서,기판 상에 배리어층을 형성하도록 구성된 배리어 증착 모듈;상기 배리어층 상에 패시베이팅된 표면을 형성하도록 구성된 패시베이팅된 표면 형성 모듈;상기 배리어층으로부터 상기 패시베이팅된 표면을 제거하고 상기 배리어층 상에 상기 갭필 구리층을 증착하도록 구성된 패시베이팅된 표면 제거 및 구리 증착 모듈; 및상기 기판의 진공 이송 또는 상기 기판의 제어된 환경 이송을 위해 구성된 적어도 하나의 이송 모듈을 포함하고,상기 적어도 하나의 이송 모듈은 상기 배리어 증착 모듈과, 상기 패시베이팅된 표면 형성 모듈과, 상기 패시베이팅된 표면 제거 및 구리 증착 모듈에 커플링되어, 상기 기판이 산소 포함 환경에 실질적으로 노출되지 않고 상기 모듈들 사이에이송될 수 있도록 하는, 집적 시스템.
- 제 31 항에 있어서,상기 패시베이팅된 표면 형성 모듈은 무전해 구리 증착 공정에서 제거가능한 패시베이팅된 표면을 형성하도록 구성되고,상기 패시베이팅된 표면 제거 및 구리 증착 모듈은 무전해 구리 증착 또는 무전해 구리 증착 및 전기화학 구리 도금을 위해 구성된, 집적 시스템.
- 제 31 항에 있어서,상기 패시베이팅된 표면 제거 및 구리 증착 모듈은 무전해 구리 증착 및 전기화학 구리 도금 중 적어도 하나에 의해 구리를 증착하도록 구성된, 집적 시스템.
- 제 31 항에 있어서,상기 배리어 증착 모듈은 탄탈륨 증착 모듈 또는 탄탈륨 질화물 증착 모듈을 포함하는, 집적 시스템.
- 제 31 항에 있어서,상기 패시베이팅된 표면 형성 모듈은,불소, 브롬, 및 요오드의 원소들 중 적어도 1종을 포함하는 반응 가스 혼합물로 상기 배리어층을 처리하고;실리콘을 포함하는 반응 가스로 상기 배리어층을 처리하고;실리콘을 포함하는 반응 가스로 상기 배리어층을 처리하고, 상기 기판을 유효량 가열하여, 상기 배리어층의 표면에서 전이 금속과 함께 실리사이드를 형성하도록 하고;금속 및 실리콘을 상기 배리어층 상에 증착하여 실리사이드를 형성하도록 하고; 그리고코발트, 로듐, 레늄, 오스뮴, 이리듐, 및 몰리브덴 중 적어도 1종의 유효량을 원자층 증착에 의해 증착하도록 구성된, 집적 시스템.
- 제 31 항에 있어서,상기 패시베이팅된 표면 형성 모듈은 원자층 증착 모듈, 실리콘 증착 모듈, 또는 실리사이드화 모듈을 포함하는, 집적 시스템.
- 집적 회로 금속화 (metallization) 를 위해 전이 금속 배리어층 또는 전이 금속 화합물 배리어층 상에 구리층을 증착하여, 상기 배리어층과 상기 구리층 사이에 실질적으로 무산소 (oxygen-free) 계면을 형성하도록 하는 집적 시스템으로서,기판 상에 배리어층을 형성하도록 구성되고 상기 배리어층 상에 패시베이팅된 표면을 형성하도록 구성된 배리어 증착 및 패시베이팅된 표면 형성 모듈;상기 배리어층으로부터 상기 패시베이팅된 표면을 제거하고 상기 배리어층 상에 상기 구리층을 증착하도록 구성된 패시베이팅된 표면 제거 및 구리 증착 모듈; 및상기 배리어 증착 및 패시베이팅된 표면 형성 모듈과 상기 패시베이팅된 표면 제거 및 구리 증착 모듈에 커플링되고, 상기 기판이 산화물 형성 환경에 실질적으로 노출되지 않고 상기 모듈들 사이에서 이송될 수 있도록 구성된 진공 이송 모듈 및 제어된 환경 이송 모듈 중 적어도 하나의 모듈을 포함하는, 집적 시스템.
- 제 37 항에 있어서,상기 패시베이팅된 표면은 무전해 구리 증착 공정에서 제거가능하고,상기 패시베이팅된 표면 제거 및 구리 증착 모듈은 무전해 구리 증착 또는 무전해 구리 증착 및 전기화학 구리 도금에 의해 구리를 증착하도록 구성된, 집적 시스템.
- 제 37 항에 있어서,상기 배리어 증착 및 패시베이팅된 표면 형성 모듈은 원자층 증착에 의해 탄탈륨 질화물을 증착하고 상기 탄탈륨 질화물 상에 패시베이팅된 표면을 형성하도록 구성되고, 상기 패시베이팅된 표면은 무전해 구리 증착에 자체촉매적 (autocatalytic) 이며; 그리고상기 패시베이팅된 표면 제거 및 구리 증착 모듈은 무전해 구리 증착 또는 무전해 구리 증착 및 전기화학 구리 도금에 의해 구리를 증착하도록 구성된, 집적 시스템.
- 집적 회로 금속화 (metallization) 를 위해 전이 금속 배리어층 또는 전이 금속 화합물 배리어층 상에 구리층을 증착하여, 상기 배리어층과 상기 구리층 사이에 실질적으로 무산소 (oxygen-free) 계면을 형성하도록 하는 시스템으로서,집적 시스템은기판 상에 배리어층을 형성하도록 구성되고 상기 배리어층 상에 패시베이팅된 표면을 형성하도록 구성된 배리어 증착 및 패시베이팅된 표면 형성 모듈; 및상기 배리어층으로부터 상기 패시베이팅된 표면을 제거하도록 구성되고 상기 배리어층 상에 구리층을 증착하도록 구성된 패시베이팅된 표면 제거 및 구리 증착 모듈을 포함하고,상기 배리어 증착 및 패시베이팅된 표면 형성 모듈에서 프로세싱된 기판들이1. 산소 포함 환경에의 노출2. 소정의 시간동안 스토어링3. 소정의 시간동안 무산소 환경에서의 스토어링중 적어도 하나 이후에 상기 패시베이팅된 표면 제거 및 구리 증착 모듈에서 프로세싱될 수 있도록, 제 1 공정 모듈 및 상기 패시베이팅된 표면 제거 및 구리 증착 모듈이 배치된, 시스템.
- 집적 회로 금속화 (metallization) 를 위해 전이 금속 배리어층 또는 전이 금속 화합물 배리어층 상에 갭필 구리층을 증착하여, 상기 배리어층과 상기 갭필 구리층 사이에 실질적으로 무산소 (oxygen-free) 계면을 형성하도록 하는 방법으로서,(a) 기판의 표면 상에 상기 배리어층을 형성하는 단계;(b) 상기 배리어층 상에 패시베이팅된 표면을 형성하는 단계; 및(c) 상기 패시베이팅된 표면 상에 상기 갭필 구리층을 증착하는 단계를 포함하는, 갭필 구리층 증착 방법.
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Also Published As
Publication number | Publication date |
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US7592259B2 (en) | 2009-09-22 |
KR20120005061A (ko) | 2012-01-13 |
US8133812B2 (en) | 2012-03-13 |
CN102061470B (zh) | 2013-06-19 |
CN102061469A (zh) | 2011-05-18 |
US20100009535A1 (en) | 2010-01-14 |
TW200834737A (en) | 2008-08-16 |
TWI489552B (zh) | 2015-06-21 |
CN102061470A (zh) | 2011-05-18 |
CN102061469B (zh) | 2015-08-19 |
WO2008076677A1 (en) | 2008-06-26 |
KR20110028402A (ko) | 2011-03-17 |
KR101199273B1 (ko) | 2012-11-09 |
CN101563758B (zh) | 2011-06-01 |
KR101078627B1 (ko) | 2011-11-01 |
KR101134329B1 (ko) | 2012-04-09 |
US20080146025A1 (en) | 2008-06-19 |
CN101563758A (zh) | 2009-10-21 |
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