KR20070057232A - 알루미늄, 구리 및 텅스텐 구조체의 선택적인 니켈 도금 - Google Patents
알루미늄, 구리 및 텅스텐 구조체의 선택적인 니켈 도금 Download PDFInfo
- Publication number
- KR20070057232A KR20070057232A KR1020077007522A KR20077007522A KR20070057232A KR 20070057232 A KR20070057232 A KR 20070057232A KR 1020077007522 A KR1020077007522 A KR 1020077007522A KR 20077007522 A KR20077007522 A KR 20077007522A KR 20070057232 A KR20070057232 A KR 20070057232A
- Authority
- KR
- South Korea
- Prior art keywords
- tungsten
- nickel
- copper
- aluminum
- nickel plating
- Prior art date
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 423
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 212
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 175
- 238000007747 plating Methods 0.000 title claims abstract description 115
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 68
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000010949 copper Substances 0.000 title claims description 34
- 229910052802 copper Inorganic materials 0.000 title claims description 34
- 239000004411 aluminium Substances 0.000 title 1
- 239000004065 semiconductor Substances 0.000 claims abstract description 136
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000000034 method Methods 0.000 claims abstract description 51
- 230000003213 activating effect Effects 0.000 claims abstract description 11
- 229910052721 tungsten Inorganic materials 0.000 claims description 72
- 239000010937 tungsten Substances 0.000 claims description 72
- 239000000243 solution Substances 0.000 claims description 70
- 239000000758 substrate Substances 0.000 claims description 55
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 20
- 239000012190 activator Substances 0.000 claims description 14
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- 229910052763 palladium Inorganic materials 0.000 claims description 10
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 9
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- -1 palladium (II) ions Chemical class 0.000 claims description 6
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 claims description 5
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 claims description 5
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims description 5
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 5
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- 238000007772 electroless plating Methods 0.000 claims description 4
- 150000002815 nickel Chemical class 0.000 claims description 4
- KERTUBUCQCSNJU-UHFFFAOYSA-L nickel(2+);disulfamate Chemical compound [Ni+2].NS([O-])(=O)=O.NS([O-])(=O)=O KERTUBUCQCSNJU-UHFFFAOYSA-L 0.000 claims description 4
- DBJLJFTWODWSOF-UHFFFAOYSA-L nickel(ii) fluoride Chemical compound F[Ni]F DBJLJFTWODWSOF-UHFFFAOYSA-L 0.000 claims description 4
- 239000012279 sodium borohydride Substances 0.000 claims description 4
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 4
- DGPBVJWCIDNDPN-UHFFFAOYSA-N 2-(dimethylamino)benzaldehyde Chemical compound CN(C)C1=CC=CC=C1C=O DGPBVJWCIDNDPN-UHFFFAOYSA-N 0.000 claims description 3
- RJTANRZEWTUVMA-UHFFFAOYSA-N boron;n-methylmethanamine Chemical compound [B].CNC RJTANRZEWTUVMA-UHFFFAOYSA-N 0.000 claims description 3
- UQPSGBZICXWIAG-UHFFFAOYSA-L nickel(2+);dibromide;trihydrate Chemical compound O.O.O.Br[Ni]Br UQPSGBZICXWIAG-UHFFFAOYSA-L 0.000 claims description 3
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 claims 2
- 150000001412 amines Chemical class 0.000 claims 1
- 229910000085 borane Inorganic materials 0.000 claims 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 239000010410 layer Substances 0.000 description 150
- 229910000679 solder Inorganic materials 0.000 description 19
- 238000005530 etching Methods 0.000 description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 238000002161 passivation Methods 0.000 description 7
- 229920002120 photoresistant polymer Polymers 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000001020 plasma etching Methods 0.000 description 5
- 238000001039 wet etching Methods 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000013543 active substance Substances 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000005380 borophosphosilicate glass Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 239000002659 electrodeposit Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000001994 activation Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001453 nickel ion Inorganic materials 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- YEYKMVJDLWJFOA-UHFFFAOYSA-N 2-propoxyethanol Chemical compound CCCOCCO YEYKMVJDLWJFOA-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 101100518972 Caenorhabditis elegans pat-6 gene Proteins 0.000 description 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 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
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- RBFDCQDDCJFGIK-UHFFFAOYSA-N arsenic germanium Chemical compound [Ge].[As] RBFDCQDDCJFGIK-UHFFFAOYSA-N 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- QDWJUBJKEHXSMT-UHFFFAOYSA-N boranylidynenickel Chemical compound [Ni]#B QDWJUBJKEHXSMT-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- YZYDPPZYDIRSJT-UHFFFAOYSA-K boron phosphate Chemical compound [B+3].[O-]P([O-])([O-])=O YZYDPPZYDIRSJT-UHFFFAOYSA-K 0.000 description 1
- 229910000149 boron phosphate Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229950005499 carbon tetrachloride Drugs 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229960001701 chloroform Drugs 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- XIKYYQJBTPYKSG-UHFFFAOYSA-N nickel Chemical compound [Ni].[Ni] XIKYYQJBTPYKSG-UHFFFAOYSA-N 0.000 description 1
- IPLJNQFXJUCRNH-UHFFFAOYSA-L nickel(2+);dibromide Chemical compound [Ni+2].[Br-].[Br-] IPLJNQFXJUCRNH-UHFFFAOYSA-L 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005289 physical deposition Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000010979 ruby Substances 0.000 description 1
- 229910001750 ruby Inorganic materials 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- VILMUCRZVVVJCA-UHFFFAOYSA-M sodium glycolate Chemical compound [Na+].OCC([O-])=O VILMUCRZVVVJCA-UHFFFAOYSA-M 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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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
- 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
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
-
- 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
- H01L21/70—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
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
- H01L21/76879—Filling of holes, grooves or trenches, e.g. vias, with conductive material by selective deposition of conductive material in the vias, e.g. selective C.V.D. on semiconductor material, plating
-
- 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
- C23C18/1603—Process or apparatus coating on selected surface areas
- C23C18/1607—Process or apparatus coating on selected surface areas by direct patterning
-
- 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
- C23C18/1633—Process of electroless plating
- C23C18/1635—Composition of the substrate
- C23C18/1637—Composition of the substrate metallic substrate
-
- 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
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
- C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
- C23C18/1827—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment only one step pretreatment
- C23C18/1831—Use of metal, e.g. activation, sensitisation with noble metals
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
Claims (29)
- 중간 반도체 장치 구조체 상에 니켈을 선택적으로 도금하는 방법에 있어서,반도체 기판상에 적어도 하나의 텅스텐 구조체와, 적어도 하나의 알루미늄 구조체 및 적어도 하나의 구리 구조체 중의 적어도 하나를 포함하는 중간 반도체 장치 구조체를 제공하는 단계; 및상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중의 적어도 하나를 니켈 도금하는 반면에, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중의 적어도 하나의 다른 하나는 도금되지 않은 상태로 잔류시키는 단계를 포함하는, 니켈 도금 방법.
- 중간 반도체 장치 구조체 상에 니켈을 도금하는 방법에 있어서,반도체 기판상에 적어도 하나의 텅스텐 구조체와 적어도 하나의 알루미늄 구조체 및 적어도 하나의 구리 구조체 중의 적어도 하나를 포함하는 중간 반도체 장치 구조체를 제공하는 단계; 및상기 적어도 하나의 텅스텐 구조체와 상기 적어도 하나의 텅스텐 구조체 및 상기 적어도 하나의 구리 구조체 중의 적어도 하나를 동시에 니켈 도금하는 단계를 포함하는, 니켈 도금 방법.
- 제 1 항 또는 제 2 항에 있어서,적어도 하나의 텅스텐 구조체와, 적어도 하나의 알루미늄 구조체 및 적어도 하나의 구리 구조체 중 적어도 하나를 포함하는 중간 반도체 장치 구조체를 제공하는 단계는, 적어도 하나의 알루미늄 본드 패드 또는 적어도 하나의 구리 본드 패드를 포함하는 중간 반도체 장치 구조체를 제공하는 단계를 포함하는, 니켈 도금 방법.
- 제 1 항 또는 제 2 항에 있어서,적어도 하나의 텅스텐 구조체와, 적어도 하나의 알루미늄 구조체 및 적어도 하나의 구리 구조체 중의 적어도 하나를 포함하는 중간 반도체 장치 구조체를 제공하는 단계는, 그 내부에 텅스텐 층을 갖는 적어도 하나의 비아를 포함하는 중간 반도체 장치 구조체를 제공하는 단계를 포함하는, 니켈 도금 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금하는 반면에, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나의 다른 하나는 도금되지 않은 상태로 잔류시키는 단계는, 알루미늄, 구리 또는 텅스텐에 대해서 선택적인 니켈 도금 화학을 선택하는 단계를 포함하는, 니켈 도금 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금하는 반면에, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나의 다른 하나는 도금되지 않은 상태로 잔류시키는 단계는, 상기 적어도 하나의 텅스텐 구조체, 또는 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금에 대해 활성화시키는 단계를 포함하는, 니켈 도금 방법.
- 제 6 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금에 대해 활성화시키는 단계는, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나의 표면을 활성화시키는 단계를 포함하는, 니켈 도금 방법.
- 제 6 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금에 대해 활성화 시키는 단계는, 상기 적어도 하나의 알루미늄 구조체 및 적어도 하나의 구리 구조체 중 적어도 하나를 활성화시키기 위해 상기 중간 반도체 장치 구조체를 아연산염 용액에 노출시키는 단계를 포함하는, 니켈 도금 방법.
- 제 8 항에 있어서,상기 중간 반도체 장치 구조체를 아연산염 용액에 노출시키는 단계는 상기 중간 반도체 장치 구조체를 산화 아연 및 수산화 나트륨을 포함하는 수용성 용액에 노출시키는 단계를 포함하는, 니켈 도금 방법.
- 제 6 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금에 대해 활성화시키는 단계는, 상기 적어도 하나의 텅스텐 구조체를 활성화시키기 위해 상기 중간 반도체 장치 구조체를 팔라듐 용액에 노출시키는 단계를 포함하는, 니켈 도금 방법.
- 제 10 항에 있어서,상기 팔라듐 용액에 중간 반도체 장치 구조체를 노출시키는 단계는 팔라듐(II) 이온들을 포함하는 수용성 용액에 상기 중간 반도체 장치 구조체를 노출시키는 단계를 포함하는, 니켈 도금 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 텅스텐 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금하는 반면에, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 적어도 다른 하나의 구리 구조체 중 상기 적어도 하나의 다른 하나는 도금되지 않은 상태로 잔류시키는 단계는, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 적어도 하나의 구리 구조체 중 적어도 하나의 활성 표면을 니켈 도금하는 단계를 포함하는, 니켈 도금 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나의 도금되지 않은 구조체를 니켈 도금하는 단계를 더 포함하는, 니켈 도금 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 텅스텐 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금하는 반면에, 상기 적어도 하나의 텅스텐 구조체, 또는 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중의 적어도 하나의 다른 하나를 도금되지 않은 상태로 잔류시키는 단계는, 적어도 하나의 알루미늄 본드 패드 및 적어도 하나의 구리 본드 패드 중의 적어도 하나는 니켈 도금하는 반면에, 그 내부에 텅스텐 층을 갖는 적어도 하나의 비아는 도금되지 않은 상태로 잔류시키는 단계를 포함하는, 니켈 도금 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금하는 반면에, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중의 적어도 하나의 다른 하나는 도금되지 않은 상태로 잔류시키는 단계는, 그 내부에 텅스텐 층을 갖는 적어도 하나의 비아는 니켈 도금시키는 반면에, 적어도 하나의 알루미늄 본드 패드 및 적어도 하나의 구리 본드 패드 중의 적어도 하나는 도금되지 않은 상태로 잔류시키는 단계를 포함하는, 니켈 도금 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금하는 반면에, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중의 적어도 다른 하나는 도금되지 않은 상태로 잔류시키는 단계는, 활성화된 적어도 하나의 텅스텐 구조체, 또는 활성화된 적어도 하나의 알루미늄 구조체 및 활성화된 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금시키는 단계를 포함하는, 니켈 도금 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금하는 반면에, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나의 다른 하나는 도금되지 않은 상태로 잔류시키는 단계는, 적어도 하나의 텅스텐 구조체, 또는 적어도 하나의 알루미늄 구조체 및 적어도 하나의 구리 구조체 중 적어도 하나를 니켈로 무전해 도금시키는 단계를 포함하는, 니켈 도금 방법.
- 제 1 항에 있어서,상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금하는 반면에, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중의 적어도 다른 하나는 도금되지 않은 상태로 잔류시키는 단계는, 황산 니켈, 염화 니켈, 황산 니켈, 브롬화물 니켈, 불화붕소산 니켈, 설폰산 니켈, 설파민산 니켈, 알킬 설폰산 니켈로 이루어진 그룹으로부터 선택된 니켈 염과, 하이포아인산 나트륨, 디메틸아민 보란, 수소화붕소 나트륨 및 디 메틸아미노벤즈알데히드로 이루어진 그룹에서 선택된 환원제를 포함하는 무전해 니켈 도금액에 상기 중간 반도체 장치 구조체를 침지시키는 단계를 포함하는, 니켈 도금 방법.
- 중간 반도체 장치 구조체에 있어서,반도체 기판은 적어도 하나의 텅스텐 구조체와, 적어도 하나의 알루미늄 구조체 및 적어도 하나의 구리 구조체 중 적어도 하나를 포함하고, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 텅스텐 구조체 및 상기 적어도 하나의 구리 구조체 중 적어도 하나를 니켈 도금하는 반면에, 상기 적어도 하나의 텅스텐 구조체, 또는 상기 적어도 하나의 알루미늄 구조체 및 상기 적어도 하나의 구리 구조체 중의 적어도 하나의 다른 하나는 도금되지 않은 상태로 잔류시키는, 중간 반도체 장치 구조체.
- 중간 반도체 장치 구조체에 있어서,반도체 기판은 그 위에 도금된 제 1 니켈 층을 갖는 적어도 하나의 알루미늄 구조체 또는 적어도 하나의 구리 구조체와, 그 위에 도금된 제 2 니켈 층을 갖는 적어도 하나의 텅스텐 구조체를 포함하고, 상기 제 1 니켈 층과 상기 제 2 니켈 층 중 적어도 하나는 알루미늄, 구리 또는 텅스텐에 대해 선택적인 니켈 도금 화학을 포뮬레이팅함으로써 형성되는, 중간 반도체 장치 구조체.
- 제 19 항 또는 제 20 항에 있어서,상기 적어도 하나의 알루미늄 구조체 또는 상기 적어도 하나의 구리 구조체는 적어도 하나의 알루미늄 본드 패드 또는 적어도 하나의 구리 본드 패드를 포함하는, 중간 반도체 장치 구조체.
- 제 19 항 또는 제 20 항에 있어서,상기 적어도 하나의 텅스텐 구조체는 그 내부에 텅스텐 층을 갖는 적어도 하나의 비아를 포함하는, 중간 반도체 장치 구조체.
- 제 22 항에 있어서,그 내부에 텅스텐 층을 갖는 상기 적어도 하나의 비아는 관통-웨이퍼 상호 접속부(through-wafer-interconnect)를 포함하는, 중간 반도체 장치 구조체.
- 제 22 항에 있어서,그 내부에 텅스텐 층을 갖는 상기 적어도 하나의 비아는 블라인드-웨이퍼 상호 접속부(blind-wafer-interconnect)를 포함하는, 중간 반도체 장치 구조체.
- 제 20 항에 있어서,알루미늄 또는 구리에 대해 선택적인 상기 니켈 도금 화학은 알루미늄 활성체 또는 구리 활성체 및 무전해 니켈 도금액을 포함하는, 중간 반도체 장치 구조 체.
- 제 25 항에 있어서,상기 알루미늄 활성체 또는 상기 구리 활성체는 산화 아연 및 수산화나트륨을 포함하는 수용성 아연산염액을 포함하는, 중간 반도체 장치 구조체.
- 제 20 항에 있어서,텅스텐에 대해 선택적인 상기 니켈 도금 화학은 텅스텐 활성체 및 무전해 니켈 도금액을 포함하는, 중간 반도체 장치 구조체.
- 제 25 항 또는 제 27 항에 있어서,무전해 니켈 도금 용액은 황산 니켈, 염화 니켈, 황산 니켈, 브롬화물 니켈, 불화붕소산 니켈, 설폰산 니켈, 설파민산 니켈 및 알킬 설폰산 니켈로 이루어진 그룹에서 선택된 니켈 염과, 하이포아인산 나트륨, 디메틸아민 보란, 수소화붕소 나트륨 및 디메틸아미노벤즈알데히드로 이루어진 그룹으로부터 선택된 환원제를 포함하는, 중간 반도체 장치 구조체.
- 제 27 항에 있어서,상기 텅스텐 활성체는 팔라듐(II) 이온들의 수용성 용액을 포함하는, 중간 반도체 장치 구조체.
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JP (1) | JP4893965B2 (ko) |
KR (1) | KR100929060B1 (ko) |
TW (1) | TWI303674B (ko) |
WO (1) | WO2006028715A2 (ko) |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR20120130211A (ko) * | 2010-02-19 | 2012-11-29 | 가부시끼가이샤 아라이도 마테리아루 | 금속 적층 구조체 및 금속 적층 구조체의 제조 방법 |
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US20090176362A1 (en) | 2009-07-09 |
US20140154879A1 (en) | 2014-06-05 |
US9640433B2 (en) | 2017-05-02 |
TWI303674B (en) | 2008-12-01 |
US10062608B2 (en) | 2018-08-28 |
US20060046088A1 (en) | 2006-03-02 |
JP2008511992A (ja) | 2008-04-17 |
US20070132105A1 (en) | 2007-06-14 |
EP1786951A2 (en) | 2007-05-23 |
EP1786951B1 (en) | 2019-11-06 |
US7855454B2 (en) | 2010-12-21 |
JP4893965B2 (ja) | 2012-03-07 |
US20180358263A1 (en) | 2018-12-13 |
WO2006028715A3 (en) | 2007-09-07 |
US7279407B2 (en) | 2007-10-09 |
WO2006028715A2 (en) | 2006-03-16 |
US20170283954A1 (en) | 2017-10-05 |
TW200613585A (en) | 2006-05-01 |
US8647982B2 (en) | 2014-02-11 |
US20070004200A1 (en) | 2007-01-04 |
KR100929060B1 (ko) | 2009-11-30 |
US10446440B2 (en) | 2019-10-15 |
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