JPWO2010098485A1 - 配線基板 - Google Patents
配線基板 Download PDFInfo
- Publication number
- JPWO2010098485A1 JPWO2010098485A1 JP2011501692A JP2011501692A JPWO2010098485A1 JP WO2010098485 A1 JPWO2010098485 A1 JP WO2010098485A1 JP 2011501692 A JP2011501692 A JP 2011501692A JP 2011501692 A JP2011501692 A JP 2011501692A JP WO2010098485 A1 JPWO2010098485 A1 JP WO2010098485A1
- Authority
- JP
- Japan
- Prior art keywords
- film
- dianhydride
- films
- thin film
- wiring
- 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
- 239000010408 film Substances 0.000 claims abstract description 208
- 239000010409 thin film Substances 0.000 claims abstract description 116
- 230000001681 protective effect Effects 0.000 claims abstract description 85
- 229920001721 polyimide Polymers 0.000 claims abstract description 74
- 239000011701 zinc Substances 0.000 claims abstract description 50
- 239000010949 copper Substances 0.000 claims abstract description 48
- 238000007747 plating Methods 0.000 claims abstract description 46
- 229910052802 copper Inorganic materials 0.000 claims abstract description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 40
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000010931 gold Substances 0.000 claims abstract description 30
- 229910052737 gold Inorganic materials 0.000 claims abstract description 21
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 20
- -1 siloxane diamine compound Chemical class 0.000 claims description 85
- 229910052751 metal Inorganic materials 0.000 claims description 65
- 239000002184 metal Substances 0.000 claims description 65
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims description 53
- 239000009719 polyimide resin Substances 0.000 claims description 46
- 125000003368 amide group Chemical group 0.000 claims description 41
- 239000000758 substrate Substances 0.000 claims description 31
- 150000004985 diamines Chemical class 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 23
- 239000002994 raw material Substances 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 18
- ZHBXLZQQVCDGPA-UHFFFAOYSA-N 5-[(1,3-dioxo-2-benzofuran-5-yl)sulfonyl]-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(S(=O)(=O)C=2C=C3C(=O)OC(C3=CC=2)=O)=C1 ZHBXLZQQVCDGPA-UHFFFAOYSA-N 0.000 claims description 17
- 125000006158 tetracarboxylic acid group Chemical group 0.000 claims description 12
- 238000006116 polymerization reaction Methods 0.000 claims description 10
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- MXPYJVUYLVNEBB-UHFFFAOYSA-N 2-[2-(2-carboxybenzoyl)oxycarbonylbenzoyl]oxycarbonylbenzoic acid Chemical compound OC(=O)C1=CC=CC=C1C(=O)OC(=O)C1=CC=CC=C1C(=O)OC(=O)C1=CC=CC=C1C(O)=O MXPYJVUYLVNEBB-UHFFFAOYSA-N 0.000 claims description 6
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Natural products C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 6
- YTVNOVQHSGMMOV-UHFFFAOYSA-N naphthalenetetracarboxylic dianhydride Chemical compound C1=CC(C(=O)OC2=O)=C3C2=CC=C2C(=O)OC(=O)C1=C32 YTVNOVQHSGMMOV-UHFFFAOYSA-N 0.000 claims description 6
- VQVIHDPBMFABCQ-UHFFFAOYSA-N 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(C(C=2C=C3C(=O)OC(=O)C3=CC=2)=O)=C1 VQVIHDPBMFABCQ-UHFFFAOYSA-N 0.000 claims description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229960002050 hydrofluoric acid Drugs 0.000 claims description 4
- HCHDYJCQAHZANX-UHFFFAOYSA-N C(=O)(O)C=1C=C(C=CC1C(=O)O)C1(C2=CC=CC=C2C=2C=CC=C(C12)C(=O)O)C1=CC(=C(C=C1)C(=O)O)C(=O)O Chemical compound C(=O)(O)C=1C=C(C=CC1C(=O)O)C1(C2=CC=CC=C2C=2C=CC=C(C12)C(=O)O)C1=CC(=C(C=C1)C(=O)O)C(=O)O HCHDYJCQAHZANX-UHFFFAOYSA-N 0.000 claims 1
- 150000008064 anhydrides Chemical class 0.000 claims 1
- 239000004642 Polyimide Substances 0.000 abstract description 26
- 229920005989 resin Polymers 0.000 description 41
- 239000011347 resin Substances 0.000 description 41
- 239000010410 layer Substances 0.000 description 35
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 25
- 239000000243 solution Substances 0.000 description 25
- 239000012948 isocyanate Substances 0.000 description 22
- 239000003431 cross linking reagent Substances 0.000 description 21
- 238000009713 electroplating Methods 0.000 description 20
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- 239000002585 base Substances 0.000 description 17
- 150000001875 compounds Chemical class 0.000 description 17
- 230000003449 preventive effect Effects 0.000 description 17
- 239000000203 mixture Substances 0.000 description 13
- 239000000126 substance Substances 0.000 description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 11
- 150000002513 isocyanates Chemical class 0.000 description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- 239000003513 alkali Substances 0.000 description 10
- 238000005227 gel permeation chromatography Methods 0.000 description 10
- 239000011342 resin composition Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000003822 epoxy resin Substances 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 229920000647 polyepoxide Polymers 0.000 description 9
- 230000002829 reductive effect Effects 0.000 description 9
- 239000004593 Epoxy Substances 0.000 description 8
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 8
- 230000002265 prevention Effects 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- KECOIASOKMSRFT-UHFFFAOYSA-N 2-amino-4-(3-amino-4-hydroxyphenyl)sulfonylphenol Chemical compound C1=C(O)C(N)=CC(S(=O)(=O)C=2C=C(N)C(O)=CC=2)=C1 KECOIASOKMSRFT-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 6
- 238000011161 development Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- 239000005056 polyisocyanate Substances 0.000 description 6
- 229920001228 polyisocyanate Polymers 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000004793 Polystyrene Substances 0.000 description 5
- 239000002981 blocking agent Substances 0.000 description 5
- 239000006078 metal deactivator Substances 0.000 description 5
- 229920002223 polystyrene Polymers 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- CMLFRMDBDNHMRA-UHFFFAOYSA-N 2h-1,2-benzoxazine Chemical compound C1=CC=C2C=CNOC2=C1 CMLFRMDBDNHMRA-UHFFFAOYSA-N 0.000 description 4
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 238000007772 electroless plating Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 4
- 239000003504 photosensitizing agent Substances 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- BCHZICNRHXRCHY-UHFFFAOYSA-N 2h-oxazine Chemical compound N1OC=CC=C1 BCHZICNRHXRCHY-UHFFFAOYSA-N 0.000 description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 3
- 206010034972 Photosensitivity reaction Diseases 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000004843 novolac epoxy resin Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000036211 photosensitivity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 3
- 239000002966 varnish Substances 0.000 description 3
- HTQNYBBTZSBWKL-UHFFFAOYSA-N 2,3,4-trihydroxbenzophenone Chemical compound OC1=C(O)C(O)=CC=C1C(=O)C1=CC=CC=C1 HTQNYBBTZSBWKL-UHFFFAOYSA-N 0.000 description 2
- UWQPDVZUOZVCBH-UHFFFAOYSA-N 2-diazonio-4-oxo-3h-naphthalen-1-olate Chemical class C1=CC=C2C(=O)C(=[N+]=[N-])CC(=O)C2=C1 UWQPDVZUOZVCBH-UHFFFAOYSA-N 0.000 description 2
- FMZPVXIKKGVLLV-UHFFFAOYSA-N 3-phenyl-2,4-dihydro-1,3-benzoxazine Chemical compound C1OC2=CC=CC=C2CN1C1=CC=CC=C1 FMZPVXIKKGVLLV-UHFFFAOYSA-N 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical group OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical compound CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- AFEQENGXSMURHA-UHFFFAOYSA-N oxiran-2-ylmethanamine Chemical compound NCC1CO1 AFEQENGXSMURHA-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical class N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- CHUGKEQJSLOLHL-UHFFFAOYSA-N 2,2-Bis(bromomethyl)propane-1,3-diol Chemical compound OCC(CO)(CBr)CBr CHUGKEQJSLOLHL-UHFFFAOYSA-N 0.000 description 1
- BZUILZIKDIMXBK-UHFFFAOYSA-N 2-(oxiran-2-ylmethoxycarbonyl)benzoic acid Chemical compound OC(=O)C1=CC=CC=C1C(=O)OCC1OC1 BZUILZIKDIMXBK-UHFFFAOYSA-N 0.000 description 1
- WTYYGFLRBWMFRY-UHFFFAOYSA-N 2-[6-(oxiran-2-ylmethoxy)hexoxymethyl]oxirane Chemical compound C1OC1COCCCCCCOCC1CO1 WTYYGFLRBWMFRY-UHFFFAOYSA-N 0.000 description 1
- KUAUJXBLDYVELT-UHFFFAOYSA-N 2-[[2,2-dimethyl-3-(oxiran-2-ylmethoxy)propoxy]methyl]oxirane Chemical compound C1OC1COCC(C)(C)COCC1CO1 KUAUJXBLDYVELT-UHFFFAOYSA-N 0.000 description 1
- FSYPIGPPWAJCJG-UHFFFAOYSA-N 2-[[4-(oxiran-2-ylmethoxy)phenoxy]methyl]oxirane Chemical compound C1OC1COC(C=C1)=CC=C1OCC1CO1 FSYPIGPPWAJCJG-UHFFFAOYSA-N 0.000 description 1
- PULOARGYCVHSDH-UHFFFAOYSA-N 2-amino-3,4,5-tris(oxiran-2-ylmethyl)phenol Chemical compound C1OC1CC1=C(CC2OC2)C(N)=C(O)C=C1CC1CO1 PULOARGYCVHSDH-UHFFFAOYSA-N 0.000 description 1
- MZZYGYNZAOVRTG-UHFFFAOYSA-N 2-hydroxy-n-(1h-1,2,4-triazol-5-yl)benzamide Chemical compound OC1=CC=CC=C1C(=O)NC1=NC=NN1 MZZYGYNZAOVRTG-UHFFFAOYSA-N 0.000 description 1
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- PKNQCLIOQMEQOR-UHFFFAOYSA-N 3-[3-(2,3-dihydroxypropoxy)phenoxy]propane-1,2-diol Chemical compound OCC(O)COC1=CC=CC(OCC(O)CO)=C1 PKNQCLIOQMEQOR-UHFFFAOYSA-N 0.000 description 1
- ZXVONLUNISGICL-UHFFFAOYSA-N 4,6-dinitro-o-cresol Chemical group CC1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1O ZXVONLUNISGICL-UHFFFAOYSA-N 0.000 description 1
- SSGDCFICOXZNJH-UHFFFAOYSA-N 4-(oxiran-2-ylmethoxycarbonyl)benzoic acid Chemical compound C1=CC(C(=O)O)=CC=C1C(=O)OCC1OC1 SSGDCFICOXZNJH-UHFFFAOYSA-N 0.000 description 1
- TUVQCEODEGPDSR-UHFFFAOYSA-N 4-[1-[9,9-bis(3,4-dicarboxyphenyl)fluorene-1-carbonyl]oxycarbonyl-9-(3,4-dicarboxyphenyl)fluoren-9-yl]phthalic acid Chemical compound C(=O)(O)C=1C=C(C=CC=1C(=O)O)C1(C2=CC=CC=C2C=2C=CC=C(C1=2)C(=O)OC(=O)C1=CC=CC=2C3=CC=CC=C3C(C1=2)(C1=CC(=C(C=C1)C(=O)O)C(=O)O)C1=CC(=C(C=C1)C(=O)O)C(=O)O)C1=CC(=C(C=C1)C(=O)O)C(=O)O TUVQCEODEGPDSR-UHFFFAOYSA-N 0.000 description 1
- SKDHHIUENRGTHK-UHFFFAOYSA-N 4-nitrobenzoyl chloride Chemical compound [O-][N+](=O)C1=CC=C(C(Cl)=O)C=C1 SKDHHIUENRGTHK-UHFFFAOYSA-N 0.000 description 1
- CEPXCCCPSUJYQE-UHFFFAOYSA-N 6-(3,5-ditert-butyl-4-hydroxyphenyl)-2-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyl]-4-oxohexanehydrazide Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)CC(C(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(=O)NN)=C1 CEPXCCCPSUJYQE-UHFFFAOYSA-N 0.000 description 1
- FFZBTLLLUJDPAK-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]hept-3-ene-1-carboxylic acid Chemical compound C12(C(CC=CC1)O2)C(=O)O FFZBTLLLUJDPAK-UHFFFAOYSA-N 0.000 description 1
- WDJHALXBUFZDSR-UHFFFAOYSA-N Acetoacetic acid Natural products CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- LCFVJGUPQDGYKZ-UHFFFAOYSA-N Bisphenol A diglycidyl ether Chemical class C=1C=C(OCC2OC2)C=CC=1C(C)(C)C(C=C1)=CC=C1OCC1CO1 LCFVJGUPQDGYKZ-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 0 CC(C)(O*)[S+](c1ccccc1)c1ccccc1 Chemical compound CC(C)(O*)[S+](c1ccccc1)c1ccccc1 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
また、本発明は、前記金属配線膜の前記露出部分の表面には、金メッキ薄膜が設けられた配線基板である。
また、本発明は、前記配線膜はパターニングされた銅薄膜を有し、前記亜鉛薄膜は前記銅薄膜上に形成された配線基板である。
また、本発明は、前記保護膜は、下記式(1)、
また、表面処理をしなくて済むので有機溶剤等の廃液を少なくできる。
本発明では亜鉛薄膜は単分子膜(0.15nm)以上であれば良い。望ましくは2nm〜5nm程度である。
剥離強度の大きさは特に重要ではなく、保護膜として最低限度あればいい。つまり碁盤目試験OK程度の密着性があればよい。
11a、11b……金属薄膜
12a、12b、15、23……亜鉛薄膜
13……接続膜
17a、17b……保護膜
18a、18b……金メッキ薄膜
19……貫通孔
図2(e)では、符号15a、15bにて表面と裏面の亜鉛薄膜15を示すと、接続端子21a、21bを有する金属薄膜11a、11bと保護膜17a、17bとの間には亜鉛薄膜15a、15bが位置し、亜鉛薄膜15a、15bが保護膜17a、17bと接触している。
この例のベースフィルム10は可撓性を有していても、堅い基板であってもよい。
図1(a)の符号1は、本発明の配線基板5の製造に用いる積層基板を示している。該積層基板1は、上述したように、樹脂から成り、可撓性を有するベースフィルム10を有している。ベースフィルム10の表面と裏面には、金属薄膜11a、11bがそれぞれ形成されており、この金属薄膜11a、11bの表面には、防錆膜12a、12bがそれぞれ配置されている。防錆膜12a、12bは、亜鉛薄膜の場合がある。
この状態では、接続薄膜13の表面は清浄ではなく、保護膜を形成しても剥離したり、また清浄であっても接続薄膜13と保護膜との間には、後述の金メッキ液が侵入してしまう。
図2(c)の符号16a、16bは、それらの保護膜用光反応性樹脂層を示している。
塗布→80℃10min仮乾燥→平均膜厚10〜15μm→露光(1500mJ/cm2)→現像(3%NaOH・40℃、60秒以内)→200℃60分の焼成(ベーク)
である。
前記ブロック剤は、例えば、アルコール類、フェノール類、ラクタム類、オキシム類、アセト酢酸アルキルエステル類、マロン酸アルキルエステル類、フタルイミド類、イミタゾール類、塩化水素、シアン化水素または亜硫酸水素ナトリウムなどが知られている。
その反面、ブロックイソシアネートは、感光性組成物架橋剤として、架橋剤の反応性制御が容易で接着剤ワニスの保存安定性を確保しやすく、両面銅張りフィルム及び多層プリント配線板の特性低下を誘発しない。
ブロックイソシアネートは、液状でも固形状でもよい。
ブロックイソシアネートのポリイソシアネート部に関しては、TDI・MDI型等の他種であっても密着効果が得られるが、有効な含有率範囲が狭く、範囲の広いHDI型が望ましい。
よって、再生温度は80℃よりも高温で、200℃よりも低温であることになるが、温度余裕が必要なことから、100℃以上180℃以下が望ましい。
本発明は、下記式(1)、
mは1〜30の整数であり、nは0〜20の整数が好ましい。
酸二無水物は、3,3’,4,4’−ジフェニルスルホンテトラカルボン酸二無水物であることが好ましい。
感光剤は、ポリイミド樹脂100質量部に対し、5〜30質量部ほどの範囲で含有することが好ましい。
更に、架橋剤を含むことが好ましく、架橋剤には、エポキシ樹脂や、オキサジン樹脂が好ましい。
式(1)〜(4)中、R1、R2、m及びnは、式(1)において既に説明した通りであり、Xは塩素、臭素などのハロゲン原子である。式(1)のアミド基含有シロキサンジアミン化合物の製造方法においては、まず、式(2)のジアミン化合物と、式(3)のニトロベンゾイルハライドを求核置換反応させ、式(4)のアミド基含有ジニトロ化合物を形成する。
先ず、上記式(1)を用いたポリイミドの合成方法について説明する。
3450cm-1(νN−H)、3370cm-1(νN−H)、3340cm-1(νN−H)、3222cm-1(νN−H)、1623cm-1(νC=O)、1260cm-1(νCH3)、1000〜1100cm-1(νSi−O)
1H−NMR(CDCl3,δ):
−0.2〜0.2(m、メチル)、0.4〜0.6(m、4H、メチレン)、1、4〜1.8(m、4H、メチレン)、3.2〜3.5(m、4H、メチレン)、3.9(bs、4H、アミノ基水素)、5.8〜6.3(m、2H、アミド基水素)、6.4(m、4H、アミノ基隣接芳香環水素)、7.1〜7.7(m、芳香環水素)
(式(1)の新規なアミド基含有シロキサンジアミン化合物を全ジアミン成分中1mol%含有する例)
窒素導入管、撹絆機、及びディーン・スターク・トラップを備えた20リットル反応容器に、シロキサンジアミン化合物(X−22−9409、信越化学工業株式会社)を4460.6g(3.30mol)、3,3’,4,4’−ジフェニルスルホンテトラカルボン酸二無水物(DSDA、新日本理化株式会社、純度99.70%)を1912.7g(5.34mol)、γ−ブチロラクトン287gと、上述した式(1)のアミド基含有シロキサンジアミン化合物89.0g(54.3mmol、純度97.10%)との混合液、及びトリグライム2870gを投入し、その混合液を攪拌した。更に、トルエン1100gを投入した後、混合液を185℃で2時間加熱還流させ、続いて減圧脱水およびトルエン除去を行い、酸無水物末端オリゴイミドの溶液を得た。
(式(1)の新規なアミド基含有シロキサンジアミン化合物を全ジアミン成分中5mol%含有する例)
重合例において、シロキサンジアミン化合物(X−22−9409、信越化学工業株式会社)を4099.8g(3.04mol)、3,3’,4,4’−ジフェニルスルホンテトラカルボン酸二無水物(DSDA、新日本理化株式会社、純度99.70%)を1907.0g(5.32mol)、参考例1で得た新規なアミド基含有シロキサンジアミン化合物を443.7g(270.5mmol、純度97.10%)、3,3’−ジアミノ−4,4’−ジヒドロキシジフェニルスルホン(BSDA、小西化学工業株式会社、純度99.70%)を549.5g(1.96mol)と変更した点以外は重合例1と同様の操作を行い、アミド基を有する新規なポリイミド樹脂を合成した。得られたポリイミドの実測固形分は47.4%であった。また、GPC(ゲル浸透クロマトグラフィー)によるポリスチレン換算分子量は、重量平均分子量として57000であった。
(式(1)の新規なアミド基含有シロキサンジアミン化合物を全ジアミン成分中10mol%含有する例)
重合例において、シロキサンジアミン化合物(X−22−9409、信越化学工業株式会社)を3665.3g(2.72mol)、3,3’,4,4’−ジフェニルスルホンテトラカルボン酸二無水物(DSDA、新日本理化株式会社、純度99.70%)を1895.1g(5.29mol )、参考例1で得た新規なアミド基含有シロキサンジアミン化合物を881.9g(537.7mmol、純度97.10%)、3,3’−ジアミノ−4,4’−ジヒドロキシジフェニルスルホン(BSDA、小西化学工業株式会社、純度99.70%)を557.8g(1.99mol)と変更した点以外は重合例1と同様の操作を行い、アミド基を有する新規なポリイミド樹脂を合成した。得られたポリイミドの実測固形分は47.7%であった。また、GPC(ゲル浸透クロマトグラフィー)によるポリスチレン換算分子量は、重量平均分子量として77000であった。
(式(1)の新規なアミド基含有シロキサンジアミン化合物を含有しない例)
重合例において、シロキサンジアミン化合物(X−22−9409、信越化学工業株式会社)を4550.2g(3.37mol)、3,3’,4,4’−ジフェニルスルホンテトラカルボン酸二無水物(DSDA、新日本理化株式会社、純度99.70%)を1914.5g(5.34mol)、3,3’−ジアミノ−4,4’−ジヒドロキシジフェニルスルホン(BSDA、小西化学工業株式会社、純度99.70%)を535.3g(1.91mol)と変更し、参考例1で得た新規なアミド基含有シロキサンジアミン化合物を加えなかった点以外は重合例1と同様の操作を行い、ポリイミド樹脂を合成した。
(式(1)の新規なアミド基含有シロキサンジアミン化合物を全ジアミン成分中1mol%含有する例)
重合例1において、シロキサンジアミン化合物(X−22−9409、信越化学工業株式会社)を4289.6g(3.18mol)、3,3’,4,4’−ジフェニルスルホンテトラカルボン酸二無水物(DSDA、新日本理化株式会社、純度99.70%)を1988.4g(5.62mol)、参考例1で得た新規なアミド基含有シロキサンジアミン化合物を90.5g(54.8mmol)、3,3’−ジアミノ−4,4’−ジヒドロキシジフェニルスルホン(BSDA、小西化学工業株式会社、純度99.70%)を631.5g(2.25mol)と変更した点以外は同様の操作を行い、アミド基を有する新規なポリイミドを合成した。得られたポリイミドの実測固形分は、49.50%であった。また、GPC(ゲル浸透クロマトグラフィー)によるポリスチレン換算分子量は、重量平均分子量として69000であった。
「ポリイミド樹脂の重合例」で合成したアミド基含有ポリイミド樹脂100質量部に対して、感光剤としてジアゾナフトキノン(4NT−300、東洋合成工業株式会社)と、架橋剤として、オキサジン化合物(6,6’−(1−メチリデン)ビス[3,4−ジヒドロ−3−フェニル−2H−1,3−ベンゾオキサジン])(BF−BXZ、小西化学工業)、レゾール(昭和高分子(株)の「BRL−274」)と、及び他の架橋剤としては無添加(No.4)、エポキシ樹脂(No.1、2、5、6)、又はブロックイソシアネート樹脂(No.3)を添加し、更に、防錆剤CDA−10(株式会社ADEKA)とを、下記表1に記載したNo.1〜6に記載したそれぞれの配合量添加し、十分に均一になるまで混合し、保護膜用の感光性樹脂組成物を作成した。
ピール強度について、No.1 は6.7N/cmになった。これに対しNo.2・No.3では強度が向上し、ブロック型ポリイソシアネート樹脂を用いたNo.4では、ピール強度が約4倍の24.8N/cmになった。No.1・5とNo.2・6より、Cu・Zn基材表面によるピール強度差は無い。No.5に対し、若干No.4のピール強度は5.9N/cmに低下した。このNo.4も含め、いずれのサンプルでも碁盤目試験はOKとなった。
Zn層あり・なしの資料の断面のTEM画像を得て観察したところ、Zn層ありの試料では、Cu層・蒸着層間(TEM観察のための蒸着層)に白い薄層が観察された。更に拡大すると約2.5nm程度の層が確認され、EDXよりZnの存在が示唆された。よって、5nm以下の、薄層があれば電解メッキ耐性向上できることが分かった。
Claims (4)
- 基板と、
前記基板上に配置され、パターニングされた金属配線膜と、
前記金属配線膜と密着して配置されたポリイミド樹脂から成る保護膜とを有し、
前記保護膜の前記金属配線膜上の位置には、前記保護膜が部分的に除去された除去部が形成され、前記除去部の底面には前記金属配線膜が露出した露出部分が形成された配線基板であって、
前記露出部分に接続された前記金属配線膜は、少なくとも前記保護膜との間の部分の表面に亜鉛薄膜が設けられ、前記金属配線膜の前記亜鉛薄膜が前記保護膜と密着された配線基板。 - 前記金属配線膜の前記露出部分の表面には、金メッキ薄膜が設けられた請求項1記載の配線基板。
- 前記配線膜はパターニングされた銅薄膜を有し、前記亜鉛薄膜は前記銅薄膜上に形成された請求項1又は請求項2のいずれか1項記載の配線基板。
- 前記保護膜は、下記式(1)、
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |