JP2019218627A - 無電解銅めっき用組成物および基材上に銅を無電解めっきするための方法 - Google Patents
無電解銅めっき用組成物および基材上に銅を無電解めっきするための方法 Download PDFInfo
- Publication number
- JP2019218627A JP2019218627A JP2019103419A JP2019103419A JP2019218627A JP 2019218627 A JP2019218627 A JP 2019218627A JP 2019103419 A JP2019103419 A JP 2019103419A JP 2019103419 A JP2019103419 A JP 2019103419A JP 2019218627 A JP2019218627 A JP 2019218627A
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- JP
- Japan
- Prior art keywords
- electroless copper
- copper plating
- composition
- plating
- electroless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 191
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 191
- 239000010949 copper Substances 0.000 title claims abstract description 191
- 238000007747 plating Methods 0.000 title claims abstract description 175
- 239000000203 mixture Substances 0.000 title claims abstract description 97
- 239000000758 substrate Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000007772 electroless plating Methods 0.000 title abstract description 6
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 22
- 239000008139 complexing agent Substances 0.000 claims abstract description 19
- 150000004693 imidazolium salts Chemical class 0.000 claims abstract description 14
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910001431 copper ion Inorganic materials 0.000 claims abstract description 13
- -1 carbobenzoxy, carbomethoxy Chemical group 0.000 claims description 51
- 239000003054 catalyst Substances 0.000 claims description 39
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical group [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 30
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 26
- 239000003381 stabilizer Substances 0.000 claims description 14
- 229910052763 palladium Inorganic materials 0.000 claims description 13
- 239000004094 surface-active agent Substances 0.000 claims description 12
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 claims description 9
- 235000011006 sodium potassium tartrate Nutrition 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 8
- 239000003966 growth inhibitor Substances 0.000 claims description 8
- 229940074439 potassium sodium tartrate Drugs 0.000 claims description 8
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 7
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 150000001450 anions Chemical class 0.000 claims description 6
- HJMZMZRCABDKKV-UHFFFAOYSA-N carbonocyanidic acid Chemical compound OC(=O)C#N HJMZMZRCABDKKV-UHFFFAOYSA-N 0.000 claims description 6
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 claims description 6
- 239000001433 sodium tartrate Substances 0.000 claims description 6
- 229960002167 sodium tartrate Drugs 0.000 claims description 6
- 235000011004 sodium tartrates Nutrition 0.000 claims description 6
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical class OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 150000001469 hydantoins Chemical class 0.000 claims description 5
- 239000002243 precursor Substances 0.000 claims description 5
- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 claims description 4
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims description 4
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 claims description 4
- 125000000623 heterocyclic group Chemical group 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 claims description 3
- 229940091173 hydantoin Drugs 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 claims description 3
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 claims description 2
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 claims description 2
- ABBQHOQBGMUPJH-UHFFFAOYSA-M Sodium salicylate Chemical compound [Na+].OC1=CC=CC=C1C([O-])=O ABBQHOQBGMUPJH-UHFFFAOYSA-M 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 claims description 2
- 229910000085 borane Inorganic materials 0.000 claims description 2
- YIKPWSKEXRZQIY-UHFFFAOYSA-N butanedioic acid;ethane-1,2-diamine Chemical compound NCCN.OC(=O)CCC(O)=O.OC(=O)CCC(O)=O YIKPWSKEXRZQIY-UHFFFAOYSA-N 0.000 claims description 2
- 150000001720 carbohydrates Chemical class 0.000 claims description 2
- 229940050410 gluconate Drugs 0.000 claims description 2
- 239000000174 gluconic acid Substances 0.000 claims description 2
- 235000012208 gluconic acid Nutrition 0.000 claims description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 229960004025 sodium salicylate Drugs 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 claims 1
- 239000003002 pH adjusting agent Substances 0.000 abstract description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 18
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- 239000004593 Epoxy Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- FCRZSGZCOGHOGF-UHFFFAOYSA-M 1-benzyl-3-methylimidazol-3-ium;chloride Chemical compound [Cl-].C1=[N+](C)C=CN1CC1=CC=CC=C1 FCRZSGZCOGHOGF-UHFFFAOYSA-M 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 150000003839 salts Chemical class 0.000 description 12
- 229920005989 resin Polymers 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- RJTANRZEWTUVMA-UHFFFAOYSA-N boron;n-methylmethanamine Chemical compound [B].CNC RJTANRZEWTUVMA-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 229960000789 guanidine hydrochloride Drugs 0.000 description 6
- PJJJBBJSCAKJQF-UHFFFAOYSA-N guanidinium chloride Chemical compound [Cl-].NC(N)=[NH2+] PJJJBBJSCAKJQF-UHFFFAOYSA-N 0.000 description 6
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 5
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- 239000002585 base Substances 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- RHYBFKMFHLPQPH-UHFFFAOYSA-N N-methylhydantoin Chemical compound CN1CC(=O)NC1=O RHYBFKMFHLPQPH-UHFFFAOYSA-N 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 229940053195 antiepileptics hydantoin derivative Drugs 0.000 description 4
- 229960003237 betaine Drugs 0.000 description 4
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- 230000003472 neutralizing effect Effects 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- ZMLDXWLZKKZVSS-UHFFFAOYSA-N palladium tin Chemical compound [Pd].[Sn] ZMLDXWLZKKZVSS-UHFFFAOYSA-N 0.000 description 4
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- 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 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
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- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
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- ZXMGHDIOOHOAAE-UHFFFAOYSA-N 1,1,1-trifluoro-n-(trifluoromethylsulfonyl)methanesulfonamide Chemical compound FC(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F ZXMGHDIOOHOAAE-UHFFFAOYSA-N 0.000 description 2
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 2
- RFTORHYUCZJHDO-UHFFFAOYSA-N 1,3-dimethylimidazolidine-2,4-dione Chemical compound CN1CC(=O)N(C)C1=O RFTORHYUCZJHDO-UHFFFAOYSA-N 0.000 description 2
- MCTWTZJPVLRJOU-UHFFFAOYSA-O 1-methylimidazole Chemical compound CN1C=C[NH+]=C1 MCTWTZJPVLRJOU-UHFFFAOYSA-O 0.000 description 2
- YQUVCSBJEUQKSH-UHFFFAOYSA-N 3,4-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C(O)=C1 YQUVCSBJEUQKSH-UHFFFAOYSA-N 0.000 description 2
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- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000768 polyamine Chemical group 0.000 description 1
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000011172 small scale experimental method Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- CMZUMMUJMWNLFH-UHFFFAOYSA-N sodium metavanadate Chemical compound [Na+].[O-][V](=O)=O CMZUMMUJMWNLFH-UHFFFAOYSA-N 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- AWDBHOZBRXWRKS-UHFFFAOYSA-N tetrapotassium;iron(6+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+6].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] AWDBHOZBRXWRKS-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- UVZICZIVKIMRNE-UHFFFAOYSA-N thiodiacetic acid Chemical compound OC(=O)CSCC(O)=O UVZICZIVKIMRNE-UHFFFAOYSA-N 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-M toluene-4-sulfonate Chemical compound CC1=CC=C(S([O-])(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-M 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- CCZXMDQFIVMWMF-UHFFFAOYSA-N trifluoromethoxyboronic acid Chemical compound OB(O)OC(F)(F)F CCZXMDQFIVMWMF-UHFFFAOYSA-N 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Classifications
-
- 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
- C23C18/38—Coating with copper
- C23C18/40—Coating with copper using reducing agents
-
- 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
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/28—Sensitising or activating
- C23C18/30—Activating or accelerating or sensitising with palladium or other noble metal
-
- 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
- C23C18/38—Coating with copper
- C23C18/40—Coating with copper using reducing agents
- C23C18/405—Formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemically Coating (AREA)
Abstract
Description
a)誘電体を含む基材を提供する工程、
b)誘電体を含む基材に触媒を適用する工程、
c)誘電体を含む基材に無電解銅めっき用組成物を適用する工程であって、無電解銅めっき用組成物は、1種または複数の銅イオン源、1種または複数のイミダゾリウム化合物、1種または複数の錯化剤、1種または複数の還元剤および任意選択的に1種または複数のpH調節剤を含み、無電解銅めっき用組成物のpHは、7よりも大きい、工程、および
d)無電解銅めっき用組成物を用いて、誘電体を含む基材上に銅を無電解めっきする工程
を含む方法にも関する。
1−ベンジル−3−メチルイミダゾリウムクロリドを含む無電解銅めっき浴の無電解銅めっき速度
4種の無電解銅めっき浴を調製する。4種のすべての浴は、以下の成分を含む。
(1)Conditioner 231を45℃で1.5分にわたって適用し;
(2)DI水を用い、室温で2分にわたって洗浄し;
(3)pH=2の硝酸を用い、室温で0.5分にわたってプレディップし;
(4)100ppmのCIRCUPOSIT(商標)6530イオン性パラジウム触媒を40℃で1分にわたって添加し;
(5)DI水を用い、室温で1分にわたって洗浄し;
(6)5g/Lのホウ酸および0.6g/Lのジメチルアミンボランの水溶液を30℃で1分にわたって添加し;および
(7)DI水を用い、室温で1分にわたって洗浄する。
1−ベンジル−3−メチルイミダゾリウムクロリドおよびグアニジン塩酸塩を含む無電解銅めっき浴の無電解銅めっき速度
6種の無電解銅めっき浴を調製する。それぞれの浴のpHは、13である。浴は、表3に示す成分および量を含む。
1−ベンジル−3−メチルイミダゾリウムクロリドを含む本発明のアルカリ性無電解銅水性組成物を用いたバックライト実験
表5に開示された成分および量を有する以下の本発明のアルカリ性無電解銅水性組成物を調製する。浴11は、慣用されるpHメーター(Fischer Scientificから入手可能)を使用して室温で測定して12.5のpHを有する。
1.CIRCUPOSIT(商標)Hole Prep 3303溶液を用い、80℃で6分にわたってそれぞれのパネルのスルーホールの汚れ取りを行い;
2.次いで、水道の流水を用い、2分にわたってそれぞれのパネルのスルーホールを洗浄し;
3.次いで、CIRCUPOSIT(商標)MLB Promoter 3308の過マンガン酸塩水溶液を用い、80℃で8分にわたってスルーホールを処理し;
4.次いで、水道の流水を用い、2分にわたってスルーホールを洗浄し;
5.次いで、3重量%硫酸/3重量%過酸化水素中和剤を用い、室温で2分にわたってスルーホールを処理し;
6.次いで、水道の流水を用い、2分にわたってそれぞれのパネルのスルーホールを洗浄し;
7.次いで、CIRCUPOSIT(商標)Conditioner 231アルカリ性溶液を用い、45℃で1.5分にわたってそれぞれのパネルのスルーホールを処理し;
8.次いで、水道の流水を用い、2分にわたってスルーホールを洗浄し;
9.次いで、過硫酸ナトリウム/硫酸エッチング溶液を用い、室温で1分にわたってスルーホールを処理し;
10.次いで、DI水の流水を用い、1分にわたってそれぞれのパネルのスルーホールを洗浄し;
11.次いで、パネルを酸性のPre−Dip CIRCUPOSIT(商標)6520中に室温で0.5分浸漬させ、次いでCIRCUPOSIT(商標)6530 Catalyst(これは、イオン性のアルカリ性パラジウム触媒の水性濃縮物である)中に40℃で1分浸漬させ(Dow Electronic Materialsから入手可能)、触媒は、十分な量の炭酸ナトリウム、水酸化ナトリウムまたは硝酸を用いて緩衝処理されて9〜9.5の触媒pHを達成し、その後、DI水を用い、室温で1分にわたってパネルを洗浄し;
12.次いで、0.6g/Lのジメチルアミンボランおよび5g/Lのホウ酸の溶液中にパネルを30℃で1分にわたって浸漬させて、パラジウムイオンを還元させてパラジウム金属とし、次いでDI水を用い、1分にわたってパネルを洗浄し;
13.次いで、表5の無電解銅めっき用組成物中にパネルを浸漬させ、34℃、pH12.5で銅をめっきさせて、スルーホールの壁面上に銅を5分にわたって析出させ;
14.次いで、水道の流水を用い、4分にわたって銅めっきしたパネルを洗浄し;
15.次いで、圧縮空気を用い、それぞれの銅めっきしたパネルを乾燥させ;および
16.以下に記載するバックライト法を使用して、めっきの被覆状態についてパネルのスルーホールの壁面を調べる。
メチルイミダゾリウム化合物を含む無電解銅めっき浴の無電解銅めっき速度
表7に開示された成分および量を有する以下の本発明のアルカリ性無電解銅水性組成物を調製する。浴は、慣用されるpHメーター(Fischer Scientificから入手可能)を使用して室温で測定して10〜13の範囲のpHを有する。
イミダゾリウム化合物を含む本発明のアルカリ性無電解銅水性組成物を用いたバックライト実験
実施例4、表7に記載したのと同一の成分および量を有する6種のアルカリ性無電解水性銅めっき浴(浴18〜23)を調製するが、ただし、それぞれの浴は、15ppmのメチルイミダゾリウム塩を含み、および浴のpHは、室温で11〜13の範囲である。
Claims (11)
- 無電解銅めっき用組成物であって、1種または複数の銅イオン源、1種または複数のイミダゾリウム化合物、1種または複数の錯化剤、1種または複数の還元剤および任意選択的に1種または複数のpH調節剤を含み、前記無電解銅めっき用組成物のpHは、7よりも大きい、無電解銅めっき用組成物。
- 前記1種または複数のイミダゾリウム化合物は、少なくとも0.5ppmの量である、請求項1に記載の無電解銅めっき用組成物。
- 前記1種または複数のイミダゾリウム化合物は、式:
- 前記1種または複数の錯化剤は、酒石酸カリウムナトリウム、酒石酸ナトリウム、サリチル酸ナトリウム、エチレンジアミン四酢酸のナトリウム塩、ニトリロ酢酸およびそのアルカリ金属塩、グルコン酸、グルコン酸塩、トリエタノールアミン、変性エチレンジアミン四酢酸、S,S−エチレンジアミン二コハク酸、ヒダントインならびにヒダントイン誘導体から選択される、請求項1に記載の無電解銅めっき用組成物。
- 前記1種または複数の還元剤は、ホルムアルデヒド、ホルムアルデヒド前駆体、ホルムアルデヒド誘導体、ホウ水素化物、置換されたホウ水素化物、ボラン、サッカライドおよび次亜リン酸塩から選択される、請求項1に記載の無電解銅めっき用組成物。
- 二次促進剤、界面活性剤、結晶成長抑制剤および安定剤から選択される1種または複数の化合物をさらに含む、請求項1に記載の無電解銅めっき用組成物。
- 無電解銅めっきの方法であって、
a)誘電体を含む基材を提供する工程、
b)前記誘電体を含む前記基材に触媒を適用する工程、
c)前記誘電体を含む前記基材に無電解銅めっき用組成物を適用する工程であって、前記無電解銅めっき用組成物は、1種または複数の銅イオン源、1種または複数のイミダゾリウム化合物、1種または複数の錯化剤、1種または複数の還元剤および任意選択的に1種または複数のpH調節剤を含み、前記無電解銅めっき用組成物のpHは、7よりも大きい、工程、および
d)前記無電解銅めっき用組成物を用いて、前記誘電体を含む前記基材上に銅を無電解めっきする工程
を含む方法。 - 前記1種または複数のイミダゾリウム化合物は、少なくとも0.5ppmの量である、請求項7に記載の方法。
- 前記無電解銅めっき用組成物は、安定剤、界面活性剤、結晶成長抑制剤および二次促進剤から選択される1種または複数の化合物をさらに含む、請求項7に記載の方法。
- 前記無電解銅めっき用組成物は、40℃以下である、請求項7に記載の方法。
- 前記触媒は、パラジウム触媒である、請求項7に記載の方法。
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EP (1) | EP3581678A1 (ja) |
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KR (1) | KR20190142236A (ja) |
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US20190382901A1 (en) * | 2018-06-15 | 2019-12-19 | Rohm And Haas Electronic Materials Llc | Electroless copper plating compositions and methods for electroless plating copper on substrates |
US10590541B2 (en) * | 2018-06-15 | 2020-03-17 | Rohm And Haas Electronic Materials Llc | Electroless copper plating compositions and methods for electroless plating copper on substrates |
KR20230049702A (ko) * | 2020-10-21 | 2023-04-13 | 아사히 가세이 가부시키가이샤 | 도전성 패턴을 갖는 구조체의 제조 방법 |
CN114959664A (zh) * | 2021-02-24 | 2022-08-30 | 超特国际股份有限公司 | 用于化学电镀处理非导电区域的活化溶液及方法 |
CN113133225B (zh) * | 2021-04-13 | 2021-10-26 | 广州皓悦新材料科技有限公司 | 一种用于多层板和hdi板的水平沉铜工艺 |
CN114774899A (zh) * | 2022-04-28 | 2022-07-22 | 合肥工业大学 | 一种铜纳米晶薄膜材料及其制备方法和应用 |
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US10822703B2 (en) * | 2015-07-30 | 2020-11-03 | Basf Se | Process for pretreatment of plastic surfaces for metallization |
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2019
- 2019-05-01 US US16/400,347 patent/US20190382900A1/en not_active Abandoned
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- 2019-06-03 JP JP2019103419A patent/JP6814844B2/ja active Active
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KR20190142236A (ko) | 2019-12-26 |
US20190382900A1 (en) | 2019-12-19 |
JP6814844B2 (ja) | 2021-01-20 |
TW202000989A (zh) | 2020-01-01 |
CN110607521B (zh) | 2021-08-27 |
EP3581678A1 (en) | 2019-12-18 |
CN110607521A (zh) | 2019-12-24 |
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