JP7205027B2 - めっき積層体及びプリント回路基板 - Google Patents
めっき積層体及びプリント回路基板 Download PDFInfo
- Publication number
- JP7205027B2 JP7205027B2 JP2020554870A JP2020554870A JP7205027B2 JP 7205027 B2 JP7205027 B2 JP 7205027B2 JP 2020554870 A JP2020554870 A JP 2020554870A JP 2020554870 A JP2020554870 A JP 2020554870A JP 7205027 B2 JP7205027 B2 JP 7205027B2
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- JP
- Japan
- Prior art keywords
- copper
- plating
- component
- nitrogen
- roughness
- 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.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 110
- 238000007747 plating Methods 0.000 claims description 94
- 239000010949 copper Substances 0.000 claims description 83
- 229910052802 copper Inorganic materials 0.000 claims description 78
- 238000000034 method Methods 0.000 claims description 33
- 239000011889 copper foil Substances 0.000 claims description 30
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 23
- 238000011282 treatment Methods 0.000 claims description 18
- -1 1,2-di(2-pyridyl)ethylene, 1,2-di(pyridyl)ethylene Chemical group 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 14
- 230000003746 surface roughness Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000005238 degreasing Methods 0.000 claims description 10
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical group N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 claims description 7
- VSOSXKMEQPYESP-UHFFFAOYSA-N 1,6-naphthyridine Chemical compound C1=CN=CC2=CC=CN=C21 VSOSXKMEQPYESP-UHFFFAOYSA-N 0.000 claims description 6
- FLBAYUMRQUHISI-UHFFFAOYSA-N 1,8-naphthyridine Chemical compound N1=CC=CC2=CC=CN=C21 FLBAYUMRQUHISI-UHFFFAOYSA-N 0.000 claims description 6
- PAMIQIKDUOTOBW-UHFFFAOYSA-N 1-methylpiperidine Chemical compound CN1CCCCC1 PAMIQIKDUOTOBW-UHFFFAOYSA-N 0.000 claims description 6
- JFJNVIPVOCESGZ-UHFFFAOYSA-N 2,3-dipyridin-2-ylpyridine Chemical compound N1=CC=CC=C1C1=CC=CN=C1C1=CC=CC=N1 JFJNVIPVOCESGZ-UHFFFAOYSA-N 0.000 claims description 6
- HKOAFLAGUQUJQG-UHFFFAOYSA-N 2-pyrimidin-2-ylpyrimidine Chemical compound N1=CC=CN=C1C1=NC=CC=N1 HKOAFLAGUQUJQG-UHFFFAOYSA-N 0.000 claims description 6
- 238000007772 electroless plating Methods 0.000 claims description 6
- HMMPCBAWTWYFLR-UHFFFAOYSA-N n-pyridin-2-ylpyridin-2-amine Chemical compound C=1C=CC=NC=1NC1=CC=CC=N1 HMMPCBAWTWYFLR-UHFFFAOYSA-N 0.000 claims description 6
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 claims description 6
- FHCPAXDKURNIOZ-UHFFFAOYSA-N tetrathiafulvalene Chemical compound S1C=CSC1=C1SC=CS1 FHCPAXDKURNIOZ-UHFFFAOYSA-N 0.000 claims description 6
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 claims description 5
- 239000005750 Copper hydroxide Substances 0.000 claims description 5
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 5
- 230000003197 catalytic effect Effects 0.000 claims description 5
- 229910001956 copper hydroxide Inorganic materials 0.000 claims description 5
- 229910001431 copper ion Inorganic materials 0.000 claims description 5
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 5
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 5
- ZQLBQWDYEGOYSW-UHFFFAOYSA-L copper;disulfamate Chemical compound [Cu+2].NS([O-])(=O)=O.NS([O-])(=O)=O ZQLBQWDYEGOYSW-UHFFFAOYSA-L 0.000 claims description 5
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 4
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- FCSSONDZSGMUKS-UHFFFAOYSA-N bis(2h-pyran-2-yl)methanone Chemical compound O1C=CC=CC1C(=O)C1OC=CC=C1 FCSSONDZSGMUKS-UHFFFAOYSA-N 0.000 claims description 3
- DIHKMUNUGQVFES-UHFFFAOYSA-N n,n,n',n'-tetraethylethane-1,2-diamine Chemical compound CCN(CC)CCN(CC)CC DIHKMUNUGQVFES-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 125000000561 purinyl group Chemical class N1=C(N=C2N=CNC2=C1)* 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 27
- 238000005530 etching Methods 0.000 description 19
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 10
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 238000002203 pretreatment Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000003475 lamination Methods 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000002738 chelating agent Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 238000002791 soaking Methods 0.000 description 6
- OHJPGUSXUGHOGE-UHFFFAOYSA-N 2-methyl-6-(6-methylpyridin-2-yl)pyridine Chemical group CC1=CC=CC(C=2N=C(C)C=CC=2)=N1 OHJPGUSXUGHOGE-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 150000003212 purines Chemical class 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical compound N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 description 4
- LRFVTYWOQMYALW-UHFFFAOYSA-N 9H-xanthine Chemical compound O=C1NC(=O)NC2=C1NC=N2 LRFVTYWOQMYALW-UHFFFAOYSA-N 0.000 description 4
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 150000001879 copper Chemical class 0.000 description 4
- QPOWUYJWCJRLEE-UHFFFAOYSA-N dipyridin-2-ylmethanone Chemical compound C=1C=CC=NC=1C(=O)C1=CC=CC=N1 QPOWUYJWCJRLEE-UHFFFAOYSA-N 0.000 description 4
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical compound OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 description 4
- UYTPUPDQBNUYGX-UHFFFAOYSA-N guanine Chemical compound O=C1NC(N)=NC2=C1N=CN2 UYTPUPDQBNUYGX-UHFFFAOYSA-N 0.000 description 4
- FDGQSTZJBFJUBT-UHFFFAOYSA-N hypoxanthine Chemical compound O=C1NC=NC2=C1NC=N2 FDGQSTZJBFJUBT-UHFFFAOYSA-N 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- RJTANRZEWTUVMA-UHFFFAOYSA-N boron;n-methylmethanamine Chemical compound [B].CNC RJTANRZEWTUVMA-UHFFFAOYSA-N 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
- 238000005260 corrosion Methods 0.000 description 3
- 229940093915 gynecological organic acid Drugs 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 235000005985 organic acids Nutrition 0.000 description 3
- 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 description 3
- 235000011006 sodium potassium tartrate Nutrition 0.000 description 3
- GFFGJBXGBJISGV-UHFFFAOYSA-N Adenine Chemical compound NC1=NC=NC2=C1N=CN2 GFFGJBXGBJISGV-UHFFFAOYSA-N 0.000 description 2
- 229930024421 Adenine Natural products 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- UGQMRVRMYYASKQ-UHFFFAOYSA-N Hypoxanthine nucleoside Natural products OC1C(O)C(CO)OC1N1C(NC=NC2=O)=C2N=C1 UGQMRVRMYYASKQ-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- XUMBMVFBXHLACL-UHFFFAOYSA-N Melanin Chemical compound O=C1C(=O)C(C2=CNC3=C(C(C(=O)C4=C32)=O)C)=C2C4=CNC2=C1C XUMBMVFBXHLACL-UHFFFAOYSA-N 0.000 description 2
- RHYBFKMFHLPQPH-UHFFFAOYSA-N N-methylhydantoin Chemical compound CN1CC(=O)NC1=O RHYBFKMFHLPQPH-UHFFFAOYSA-N 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 229960000643 adenine Drugs 0.000 description 2
- 239000002318 adhesion promoter Substances 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 235000016693 dipotassium tartrate Nutrition 0.000 description 2
- 150000001469 hydantoins Chemical class 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- AVTYONGGKAJVTE-OLXYHTOASA-L potassium L-tartrate Chemical compound [K+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O AVTYONGGKAJVTE-OLXYHTOASA-L 0.000 description 2
- 239000001472 potassium tartrate Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229940075420 xanthine Drugs 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- RFTORHYUCZJHDO-UHFFFAOYSA-N 1,3-dimethylimidazolidine-2,4-dione Chemical compound CN1CC(=O)N(C)C1=O RFTORHYUCZJHDO-UHFFFAOYSA-N 0.000 description 1
- JBECVMRJMWAZLO-UHFFFAOYSA-N 1-[2-[bis(2-hydroxypropyl)amino]ethyl-(2-hydroxypropyl)amino]propan-2-ol;ethane-1,2-diamine Chemical compound NCCN.CC(O)CN(CC(C)O)CCN(CC(C)O)CC(C)O JBECVMRJMWAZLO-UHFFFAOYSA-N 0.000 description 1
- URDCARMUOSMFFI-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(2-hydroxyethyl)amino]acetic acid Chemical compound OCCN(CC(O)=O)CCN(CC(O)=O)CC(O)=O URDCARMUOSMFFI-UHFFFAOYSA-N 0.000 description 1
- KFDNQUWMBLVQNB-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetic acid;sodium Chemical compound [Na].[Na].[Na].[Na].OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KFDNQUWMBLVQNB-UHFFFAOYSA-N 0.000 description 1
- YIROYDNZEPTFOL-UHFFFAOYSA-N 5,5-Dimethylhydantoin Chemical compound CC1(C)NC(=O)NC1=O YIROYDNZEPTFOL-UHFFFAOYSA-N 0.000 description 1
- 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 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 241000286904 Leptothecata Species 0.000 description 1
- UXCWQGQTBWILMA-UHFFFAOYSA-N OC(CNCCNCCN)(C(O)(O)O)O Chemical compound OC(CNCCNCCN)(C(O)(O)O)O UXCWQGQTBWILMA-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910020938 Sn-Ni Inorganic materials 0.000 description 1
- 229910008937 Sn—Ni Inorganic materials 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 125000005250 alkyl acrylate group Chemical group 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 229940053195 antiepileptics hydantoin derivative Drugs 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 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 description 1
- HJMZMZRCABDKKV-UHFFFAOYSA-N carbonocyanidic acid Chemical compound OC(=O)C#N HJMZMZRCABDKKV-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- LBJNMUFDOHXDFG-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu].[Cu] LBJNMUFDOHXDFG-UHFFFAOYSA-N 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical class O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 1
- 229910000077 silane Inorganic materials 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
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
- 239000001476 sodium potassium tartrate Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- UZVUJVFQFNHRSY-OUTKXMMCSA-J tetrasodium;(2s)-2-[bis(carboxylatomethyl)amino]pentanedioate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CC[C@@H](C([O-])=O)N(CC([O-])=O)CC([O-])=O UZVUJVFQFNHRSY-OUTKXMMCSA-J 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
-
- H—ELECTRICITY
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- 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
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- C23C18/31—Coating with metals
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- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
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Description
本開示は以下の態様<1>~<15>を含む。
<1>
めっきターゲットと、無電解銅めっきによって前記めっきターゲット上に形成された複数の結晶質突起を有する銅膜と、を備えるめっき積層体。
<2>
前記複数の結晶質突起の各々が、上部よりも下部の幅が大きい形状を有する、<1>に記載のめっき積層体。
<3>
前記複数の結晶質突起の各々が、ピラミッド状に形成されている、<1>に記載のめっき積層体。
<4>
前記複数の結晶質突起は、表面粗さRaが100nm以下の銅結晶である、<1>に記載のめっき積層体。
<5>
前記めっきターゲットと前記銅膜との間に、金属放出層、有機放出層、電気めっき銅箔、又はそれらの積層体を介在させている、<1>に記載のめっき積層体。
<6>
前記銅膜上に、1種以上の絶縁体がさらに設けられている、<1>に記載のめっき積層体。
<7>
(a)基板上にめっきターゲットを設ける工程と、(b)前記めっきターゲットの表面に複数の結晶質突起を有する銅膜を形成する工程と、を含む、めっき積層体の製造方法。
<8>
前記工程(b)において、前記複数の結晶質突起を有する銅膜は、前記めっきターゲットの表面に銅シードを形成可能な銅成分と、前記銅シードを拡散させて前記めっきターゲットの表面に複数の突起を形成可能な窒素含有成分と、を可能な限り少量含有するめっき液を用いて形成される、<7>に記載の方法。
<9>
前記銅成分は、前記めっきターゲットの表面に銅シードを形成し、前記シードを成長させる前記窒素含有成分と反応する、<8>に記載の方法。
<10>
前記銅成分は、硫酸銅、塩化銅、硝酸銅、水酸化銅、及びスルファミン酸銅から選択され、前記窒素含有成分は、5員又は6員環式窒素含有化合物である、<9>に記載の方法。
<11>
前記5員又は6員環式窒素含有化合物は、プリン化合物類、ピリダジン、メチルピペリジン、1,2-ジ(2-ピリジル)エチレン、1,2-ジ(ピリジル)エチレン、2,2’-ジピリジルアミン、2,2’-ビピリジル、2,2’-ビピリミジン、6,6’-ジメチル-2,2’-ジピリジル、ジ-2-ピリジルケトン(di-2-pyrylketone)、N,N,N’,N’-テトラエチレンジアミン、ナフタレン、1,8-ナフチリジン、1,6-ナフチリジン、テトラチアフルバレン、テルピリジン、フタル酸、イソフタル酸、及び2,2’-ジ安息香酸から選択される1種以上である、<10>に記載の方法。
<12>
前記工程(a)は、前処理に、酸脱脂、予備浸漬、及び触媒処理を含む、<7>に記載の方法。
<13>
前記工程(b)において、前記銅膜は、無電解めっきによって形成される、<7>に記載の方法。
<14>
前記工程(b)の後に、防食処理をさらに含む、<7>に記載の方法。
<15>
<1>~<6>のいずれか1項に記載のめっき積層体を含むプリント回路基板。
Claims (9)
- (a)基板上に銅箔又はアルミニウム箔から選択されるめっきターゲットを設ける工程と、(b)銅成分と窒素含有成分とを含有するめっき液に前記めっきターゲットを浸漬し、無電解めっきを行うことにより、前記めっきターゲットの表面に複数の結晶質突起を有する銅膜を形成する工程と、を含み、
前記窒素含有成分は、前記めっき液中に0.01ppm~0.05ppmの量で存在し、
前記窒素含有成分は、プリン化合物類、ピリダジン、メチルピペリジン、1,2-ジ(2-ピリジル)エチレン、1,2-ジ(ピリジル)エチレン、2,2’-ジピリジルアミン、2,2’-ビピリジル、2,2’-ビピリミジン、6,6’-ジメチル-2,2’-
ジピリジル、ジ-2-ピリジルケトン(di-2-pyrylketone)、N,N,N’,N’-テトラエチレンジアミン、1,8-ナフチリジン、1,6-ナフチリジン、テトラチアフルバレン、及びテルピリジンからなる群より選択される少なくとも1種を含む、
めっき積層体の製造方法。 - 前記銅成分は、前記めっきターゲットの表面に銅シードを形成可能であり、前記窒素含有成分は、前記銅シードを拡散させて前記めっきターゲットの表面に複数の突起を形成可能である、請求項1に記載の製造方法。
- 前記銅成分は、前記めっきターゲットの表面に銅シードを形成し、前記銅シードを成長させる前記窒素含有成分と相互反応する、請求項1又は請求項2に記載の製造方法。
- 前記銅成分は、硫酸銅、塩化銅、硝酸銅、水酸化銅、及びスルファミン酸銅からなる群より選択される少なくとも1種を含む、請求項1~請求項3のいずれか1項に記載の製造方法。
- 前記銅成分は、銅イオン濃度が30g/L以下となる量で前記めっき液中に存在する、請求項1~請求項4のいずれか1項に記載の製造方法。
- 前記窒素含有成分は、1000ppm以下の量で前記めっき液中に存在する、請求項1~請求項5のいずれか1項に記載の製造方法。
- 前記銅膜の表面粗さRaが0.01μm以上1.00μm以下である、請求項1~請求項6のいずれか1項に記載の製造方法。
- 前記工程(a)は、前記基板上に前記めっきターゲットを設けた後、酸脱脂、予備浸漬、及び触媒処理を含む予備処理を含む、請求項1~請求項7のいずれか1項に記載の製造方法。
- 前記工程(b)の後に、防食処理をさらに含む、請求項1~請求項8のいずれか1項に記載の製造方法。
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KR10-2018-0139699 | 2018-11-14 | ||
PCT/KR2019/013407 WO2020101183A1 (ko) | 2018-11-14 | 2019-10-14 | 도금 적층체 및 인쇄회로기판 |
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Citations (5)
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JP2002030452A (ja) | 2000-07-10 | 2002-01-31 | Hitachi Ltd | プリント基板の製造方法 |
US20030216025A1 (en) | 2002-05-16 | 2003-11-20 | Haijing Lu | Wafer level electroless copper metallization and bumping process, and plating solutions for semiconductor wafer and microchip |
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CN112969819A (zh) | 2021-06-15 |
JP2021517933A (ja) | 2021-07-29 |
WO2020101183A1 (ko) | 2020-05-22 |
EP3760761A4 (en) | 2022-03-30 |
KR20200055963A (ko) | 2020-05-22 |
EP3760761A1 (en) | 2021-01-06 |
KR102124324B1 (ko) | 2020-06-18 |
US20210017650A1 (en) | 2021-01-21 |
US11499233B2 (en) | 2022-11-15 |
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