JP2010093281A - 銅積層体の剥離強度向上 - Google Patents
銅積層体の剥離強度向上 Download PDFInfo
- Publication number
- JP2010093281A JP2010093281A JP2009277618A JP2009277618A JP2010093281A JP 2010093281 A JP2010093281 A JP 2010093281A JP 2009277618 A JP2009277618 A JP 2009277618A JP 2009277618 A JP2009277618 A JP 2009277618A JP 2010093281 A JP2010093281 A JP 2010093281A
- Authority
- JP
- Japan
- Prior art keywords
- copper foil
- peel strength
- chromium
- dielectric substrate
- coating
- 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 165
- 239000010949 copper Substances 0.000 title description 15
- 229910052802 copper Inorganic materials 0.000 title description 14
- 239000011889 copper foil Substances 0.000 claims abstract description 149
- 239000000758 substrate Substances 0.000 claims abstract description 48
- 239000011651 chromium Substances 0.000 claims abstract description 35
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000007864 aqueous solution Substances 0.000 claims abstract description 26
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 25
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000003475 lamination Methods 0.000 claims abstract description 24
- 229910000077 silane Inorganic materials 0.000 claims abstract description 24
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims description 58
- 239000011248 coating agent Substances 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 54
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 239000003792 electrolyte Substances 0.000 claims description 23
- 239000008151 electrolyte solution Substances 0.000 claims description 20
- 238000012360 testing method Methods 0.000 claims description 20
- 230000002708 enhancing effect Effects 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 238000000151 deposition Methods 0.000 claims description 14
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 11
- 229910052721 tungsten Inorganic materials 0.000 claims description 11
- 239000010937 tungsten Substances 0.000 claims description 11
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 10
- 239000011733 molybdenum Substances 0.000 claims description 10
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical class [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims description 9
- 229910044991 metal oxide Inorganic materials 0.000 claims description 9
- 150000004706 metal oxides Chemical class 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 6
- 229910052758 niobium Inorganic materials 0.000 claims description 6
- 239000010955 niobium Substances 0.000 claims description 6
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 6
- 229910052702 rhenium Inorganic materials 0.000 claims description 6
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 6
- 229910052715 tantalum Inorganic materials 0.000 claims description 6
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052713 technetium Inorganic materials 0.000 claims description 6
- GKLVYJBZJHMRIY-UHFFFAOYSA-N technetium atom Chemical compound [Tc] GKLVYJBZJHMRIY-UHFFFAOYSA-N 0.000 claims description 6
- -1 tungstate ions Chemical class 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 230000001965 increasing effect Effects 0.000 claims description 5
- 238000007598 dipping method Methods 0.000 claims description 3
- 239000003637 basic solution Substances 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 3
- 238000010030 laminating Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 17
- 230000003746 surface roughness Effects 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 54
- 239000011888 foil Substances 0.000 description 32
- 230000000052 comparative effect Effects 0.000 description 24
- 210000004027 cell Anatomy 0.000 description 14
- 238000004381 surface treatment Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 13
- 239000010410 layer Substances 0.000 description 12
- 230000009467 reduction Effects 0.000 description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 238000011282 treatment Methods 0.000 description 9
- 239000004593 Epoxy Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 8
- 239000003518 caustics Substances 0.000 description 8
- 238000007654 immersion Methods 0.000 description 8
- 239000011734 sodium Substances 0.000 description 7
- 238000002845 discoloration Methods 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 6
- 229940021013 electrolyte solution Drugs 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 229910000881 Cu alloy Inorganic materials 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 4
- 239000000920 calcium hydroxide Substances 0.000 description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000007719 peel strength test Methods 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 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 compound 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 3
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical compound OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 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
- 239000003063 flame retardant Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 229910007567 Zn-Ni Inorganic materials 0.000 description 2
- 229910007614 Zn—Ni Inorganic materials 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- DQIPXGFHRRCVHY-UHFFFAOYSA-N chromium zinc Chemical compound [Cr].[Zn] DQIPXGFHRRCVHY-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- PYRZPBDTPRQYKG-UHFFFAOYSA-N cyclopentene-1-carboxylic acid Chemical compound OC(=O)C1=CCCC1 PYRZPBDTPRQYKG-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004649 discoloration prevention Methods 0.000 description 1
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 description 1
- 229940043264 dodecyl sulfate Drugs 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 150000003752 zinc compounds Chemical class 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/38—Chromatising
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0614—Strips or foils
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
- C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/382—Improvement of the adhesion between the insulating substrate and the metal by special treatment of the metal
- H05K3/384—Improvement of the adhesion between the insulating substrate and the metal by special treatment of the metal by plating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/07—Parts immersed or impregnated in a matrix
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/204—Di-electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/12—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/08—PCBs, i.e. printed circuit boards
-
- 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0335—Layered conductors or foils
- H05K2201/0355—Metal foils
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0703—Plating
- H05K2203/0723—Electroplating, e.g. finish plating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/389—Improvement of the adhesion between the insulating substrate and the metal by the use of a coupling agent, e.g. silane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12431—Foil or filament smaller than 6 mils
- Y10T428/12438—Composite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12472—Microscopic interfacial wave or roughness
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
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Abstract
【解決手段】誘電体基板に積層するための銅箔60であって、前記銅箔60の表面に付着された層64を含み、前記層64が、クロム及び亜鉛のイオン又は酸化物から形成され、少なくとも0.5%のシランを含有する水溶液を用いて処理される、上記銅箔60。
【選択図】図3a
Description
表面処理法1
図1は、本発明の第1の態様による、銅積層体の剥離強度を向上させるためのシステム10を示す図である。システム10は、本明細書でP2処理法と呼ばれる方法を用いて、クロム金属と亜鉛金属若しくはこれらの酸化物の混合物を銅箔14の表面に共付着させるための電解セル12と、シラン含有水溶液18に被覆銅箔14を浸漬させるシラン溶液槽16とを含む。シラン溶液槽16を出た後、銅箔14は、脱イオン(DI)水を使って洗浄され、次いで乾燥した後誘電体基板に積層させることができる。
次に図2を参照すると、本発明の第2の態様に従って、銅箔上に剥離強度向上コーティングを電着するための電解セル50を示す。電解セル50は、水性電解液52を含む槽20と、その間を銅箔14のストリップが通る陽極24とを含む。ガイドロール26を使って、電解セル50を通る銅箔14のストリップの移動を制御することができる。ガイドロール26は、電解液52と反応しない材料から製造される。好ましくは、ガイドロール26の少なくとも一方は、以下に詳述するように、銅箔14のストリップに電流を印可することができるように、ステンレス鋼などの導電材料から形成される。ガイドロール26は、以下に述べる所要時間の間、銅箔14が陽極24の間に位置するように、制御された速度で回転する。
Claims (28)
- 誘電体基板(62)に積層するための銅箔(14、60)であって、
前記銅箔(14、60)の表面に付着した剥離強度向上コーティング(64)を含み、前記剥離強度向上コーティング(64)が本質的に金属と金属酸化物の混合物からなり、前記金属と金属酸化物の混合物が、バナジウム、ニオブ、タンタル、クロム、モリブデン、タングステン、マンガン、テクネチウム、及びレニウムの1種以上から形成される上記銅箔(14、60)。 - 前記銅箔の表面が平滑である、請求項1に記載の銅箔(14、60)。
- 前記金属酸化物が、クロム、タングステン、及びモリブデンの元素から選択される、請求項1に記載の銅箔(14、60)。
- 前記剥離強度向上コーティング(64)の厚みが約20〜約200オングストロームである、請求項1に記載の銅箔(14、60)。
- 前記誘電体基板への積層前に、前記剥離強度向上コーティング(64)上にシランを付着させる、請求項1に記載の銅箔(14、60)。
- 誘電体基板(62)と、
前記誘電体基板に積層された、平滑な表面を有する銅箔(14、60)と、
前記銅箔(14、60)と前記誘電体基板(62)の間に付着した剥離強度向上コーティング(64)とを含み、
1/8インチの試験片を用いて4NのHClに60℃で6時間浸漬した後、IPC−TM−650法2.4.8.5に準拠して測定した場合、前記銅箔(14、60)の剥離強度の低下が10%以下である物品。 - 前記剥離強度向上コーティング(64)が、本質的に、バナジウム、ニオブ、タンタル、クロム、モリブデン、タングステン、マンガン、テクネチウム、及びレニウムの1種以上から形成される金属と金属酸化物の混合物からなる、請求項6に記載の物品。
- 前記金属酸化物が、クロム、タングステン、及びモリブデンの元素から選択される、請求項7に記載の物品。
- 前記剥離強度向上コーティング(64)の厚みが約20〜約200オングストロームである、請求項6に記載の物品。
- 前記剥離強度向上コーティング(64)は、4NのHClに60℃で6時間浸漬した後の縁部アンダーカットが10%以下である、請求項6に記載の物品。
- 1/8インチの試験片を用いて4NのHClに60℃で6時間浸漬した後、IPC−TM−650法2.4.8.5に準拠して測定した場合、前記銅箔(14、60)の剥離強度の低下が7%以下である、請求項6に記載の物品。
- 前記誘電体基板への積層前に、前記剥離強度向上コーティング(64)上にシランを付着させる、請求項6に記載の物品。
- 誘電体基板(62)に積層された銅箔(14、60)の剥離強度を上昇させる方法であって、
積層前に、前記銅箔(14、60)を、バナジウム、ニオブ、タンタル、クロム、モリブデン、タングステン、マンガン、テクネチウム、及びレニウムの1種以上から形成されたオキシアニオンを含有する水性電解液(52)に浸漬させるステップを含む方法。 - 前記金属が、クロム、モリブデン、及びタングステンの1種から選択される、請求項13に記載の方法。
- 前記水性電解液(52)が、クロム酸イオン、タングステン酸イオン、又はモリブデン酸イオンの脱イオン水を含有する、請求項13に記載の方法。
- 前記水溶液(52)が電解セル(50)中の電解液であり、前記方法が、約20〜約200オングストロームの厚みを有するコーティング(64)が前記銅箔(14、60)上に付着するように、前記銅箔(14、60)と前記電解液(52)に電流を流すステップをさらに含む、請求項13に記載の方法。
- 前記コーティング(64)を前記銅箔(14、60)上に付着させた後、前記銅箔(14、60)をシランに浸漬するステップをさらに含む、請求項16に記載の方法。
- 誘電体基板に積層するための銅箔(14、60)であって、
前記銅箔(14、60)の表面に付着された層(64)を含み、前記層(64)が、クロム及び亜鉛のイオン又は酸化物から形成され、少なくとも0.5%のシランを含有する水溶液を用いて処理される、上記銅箔(14、60)。 - 前記銅箔(14、60)の前記表面が平滑である、請求項18に記載の銅箔(14、60)。
- 前記層(64)の厚みが約10オングストローム〜約100オングストロームである、請求項18に記載の銅箔(14、60)。
- 誘電体基板(62)に積層された銅箔(14、60)の剥離強度を上昇させる方法であって、
積層前に、クロム及び亜鉛のイオン又は酸化物の混合物を、前記銅箔(14、60)の表面上に共付着させるステップと、
前記共付着ステップの後に、前記銅箔(14、60)を、少なくとも1秒間、少なくとも0.5%のシランの脱イオン水を含有する水溶液(18)に浸漬するステップと、
積層前に前記銅箔(14、60)を乾燥するステップと
を含む方法。 - 前記水溶液(18)が、本質的に0.5%のシランの脱イオン水からなる、請求項21に記載の方法。
- 前記水溶液(18)が、約15℃〜約30℃の温度である、請求項21に記載の方法。
- クロム及び亜鉛のイオン又は酸化物の混合物を共付着させる前記ステップが、
クロム及び亜鉛イオンを含有する電解液(22)中に配置された陽極(24)を有する電解セル(12)を設けるステップと、
陰極として前記銅箔(14、60)を設けるステップと、
前記クロム及び亜鉛イオンを前記銅箔(14、60)上に電着させるステップと
を含む、請求項21に記載の方法。 - 前記電解液(22)が、水酸化物イオン、約0.07g/l〜約7g/lの亜鉛イオン、及び約0.1g/l〜約100g/lの水溶性六価クロム塩を含有する塩基性溶液であり、前記亜鉛イオン濃度又は前記クロム(VI)イオン濃度或いはその両方が1.0未満であり、前記共付着ステップが、
前記銅箔(14、60)を前記電解液(22)に浸漬するステップと、
約1ミリアンペア/平方センチメートル〜約1アンペア/平方センチメートルの電流密度が得られるように、前記銅箔(14、60)及び前記電解液(22)に電流を流すステップと
を含む、請求項24に記載の方法。 - 前記電解液(22)が、本質的に、約10〜約35g/lのNaOH、約0.2〜約1.5g/lのZnO、及び約0.2〜約2g/lのNa2Cr2O7・2H2Oからなる、請求項25に記載の方法。
- 前記銅箔(14、60)上に付着された、前記クロム及び亜鉛のイオン又は酸化物から形成された層(64)の厚みが、約10オングストローム〜約100オングストロームである、請求項21に記載の方法。
- 前記浸漬ステップの後、かつ前記乾燥ステップの前に、前記銅箔(14、60)を洗浄するステップをさらに含む、請求項21に記載の方法。
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- 2003-12-05 KR KR1020057010177A patent/KR101096638B1/ko not_active Expired - Fee Related
- 2003-12-05 AU AU2003298890A patent/AU2003298890A1/en not_active Abandoned
- 2003-12-05 KR KR1020117009511A patent/KR20110050751A/ko not_active Ceased
- 2003-12-05 TW TW92134380A patent/TWI337207B/zh not_active IP Right Cessation
- 2003-12-05 EP EP03796649A patent/EP1579031A4/en not_active Withdrawn
- 2003-12-05 JP JP2004559288A patent/JP4686194B2/ja not_active Expired - Fee Related
- 2003-12-05 KR KR1020127000451A patent/KR20120018222A/ko not_active Ceased
- 2003-12-05 CN CNA2003801048563A patent/CN1720350A/zh active Pending
- 2003-12-05 WO PCT/US2003/038592 patent/WO2004053193A1/en not_active Ceased
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2009
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2011
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS587077B2 (ja) * | 1979-12-19 | 1983-02-08 | 日本鉱業株式会社 | 印刷回路用銅箔およびその製造方法 |
| JPS6113688A (ja) * | 1984-06-28 | 1986-01-21 | 福田金属箔粉工業株式会社 | 印刷回路用銅箔およびその製造方法 |
| JPS63183178A (ja) * | 1987-01-23 | 1988-07-28 | Nippon Denkai Kk | プリント回路用銅箔およびその製造方法 |
| JPH0226097A (ja) * | 1988-07-15 | 1990-01-29 | Nikko Guruude Fuoiru Kk | プリント配線板用銅箔及びその製造方法 |
| JPH05235542A (ja) * | 1992-02-19 | 1993-09-10 | Nikko Guurudo Foil Kk | 印刷回路用銅箔及びその製造方法 |
| JP2002167691A (ja) * | 2000-11-27 | 2002-06-11 | Furukawa Circuit Foil Kk | 金属箔、それを用いた回路基板用の積層板 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004053193A1 (en) | 2004-06-24 |
| KR20050088409A (ko) | 2005-09-06 |
| JP4966368B2 (ja) | 2012-07-04 |
| JP4686194B2 (ja) | 2011-05-18 |
| KR20120018222A (ko) | 2012-02-29 |
| AU2003298890A1 (en) | 2004-06-30 |
| US20040180225A1 (en) | 2004-09-16 |
| KR20110050751A (ko) | 2011-05-16 |
| JP2012039126A (ja) | 2012-02-23 |
| KR101096638B1 (ko) | 2011-12-21 |
| JP2006508837A (ja) | 2006-03-16 |
| EP1579031A1 (en) | 2005-09-28 |
| US7749611B2 (en) | 2010-07-06 |
| TWI337207B (en) | 2011-02-11 |
| TW200424356A (en) | 2004-11-16 |
| CN1720350A (zh) | 2006-01-11 |
| EP1579031A4 (en) | 2006-11-08 |
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