JPH08509578A - 直接的に金属化するための導電性合成樹脂によるプリント基板の貫通接触法 - Google Patents
直接的に金属化するための導電性合成樹脂によるプリント基板の貫通接触法Info
- Publication number
- JPH08509578A JPH08509578A JP6523886A JP52388694A JPH08509578A JP H08509578 A JPH08509578 A JP H08509578A JP 6523886 A JP6523886 A JP 6523886A JP 52388694 A JP52388694 A JP 52388694A JP H08509578 A JPH08509578 A JP H08509578A
- Authority
- JP
- Japan
- Prior art keywords
- printed circuit
- circuit board
- solution
- conductive
- polymer
- 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
- 238000000034 method Methods 0.000 title claims abstract description 94
- 238000001465 metallisation Methods 0.000 title claims description 12
- 229920003002 synthetic resin Polymers 0.000 title claims description 6
- 239000000057 synthetic resin Substances 0.000 title claims description 6
- 230000035515 penetration Effects 0.000 title description 4
- 239000000243 solution Substances 0.000 claims abstract description 46
- 229920000642 polymer Polymers 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 239000000178 monomer Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000007864 aqueous solution Substances 0.000 claims abstract description 13
- 230000001590 oxidative effect Effects 0.000 claims abstract description 12
- 230000002378 acidificating effect Effects 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 18
- 239000003960 organic solvent Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011133 lead Substances 0.000 claims description 8
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- 239000011701 zinc Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- -1 alkali metal persulfate Chemical class 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims 1
- SPAGIJMPHSUYSE-UHFFFAOYSA-N Magnesium peroxide Chemical compound [Mg+2].[O-][O-] SPAGIJMPHSUYSE-UHFFFAOYSA-N 0.000 description 12
- 238000005406 washing Methods 0.000 description 10
- 230000004913 activation Effects 0.000 description 9
- 238000006116 polymerization reaction Methods 0.000 description 9
- 229920001940 conductive polymer Polymers 0.000 description 8
- 239000007800 oxidant agent Substances 0.000 description 8
- 238000007747 plating Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000002585 base Substances 0.000 description 5
- 238000006555 catalytic reaction Methods 0.000 description 5
- 239000003365 glass fiber Substances 0.000 description 5
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 5
- 229920000128 polypyrrole Polymers 0.000 description 5
- 230000000274 adsorptive effect Effects 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003377 acid catalyst Substances 0.000 description 2
- 239000003522 acrylic cement Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- 241000834695 Auchenoglanis occidentalis Species 0.000 description 1
- 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 1
- 240000000220 Panda oleosa Species 0.000 description 1
- 235000016496 Panda oleosa Nutrition 0.000 description 1
- 101000968091 Pithecopus azureus Dermaseptin-H2 Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 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
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0605—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0611—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only one nitrogen atom in the ring, e.g. polypyrroles
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/54—Electroplating of non-metallic surfaces
- C25D5/56—Electroplating of non-metallic surfaces of plastics
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/02—Electroplating of selected surface areas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
- H01B1/124—Intrinsically conductive polymers
- H01B1/127—Intrinsically conductive polymers comprising five-membered aromatic rings in the main chain, e.g. polypyrroles, polythiophenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
- H01B1/124—Intrinsically conductive polymers
- H01B1/128—Intrinsically conductive polymers comprising six-membered aromatic rings in the main chain, e.g. polyanilines, polyphenylenes
-
- 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
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
-
- 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
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/423—Plated through-holes or plated via connections characterised by electroplating method
- H05K3/424—Plated through-holes or plated via connections characterised by electroplating method by direct electroplating
-
- 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
- H05K2201/032—Materials
- H05K2201/0329—Intrinsically conductive polymer [ICP]; Semiconductive polymer
-
- 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
- H05K2203/0779—Treatments involving liquids, e.g. plating, rinsing characterised by the specific liquids involved
- H05K2203/0783—Using solvent, e.g. for cleaning; Regulating solvent content of pastes or coatings for adjusting the viscosity
-
- 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
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/425—Plated through-holes or plated via connections characterised by the sequence of steps for plating the through-holes or via connections in relation to the conductive pattern
- H05K3/427—Plated through-holes or plated via connections characterised by the sequence of steps for plating the through-holes or via connections in relation to the conductive pattern initial plating of through-holes in metal-clad substrates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
- Chemically Coating (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 内因的導電性のあるポリマー層をプリント基板の非導電部に固着させ、そ の上に金属層を設ける 直接的に金属化する為に導電性合成樹脂によりプリント基板を貫通接触させる方 法において、 ポリマー層をプリント基板の基板材料の上に直接的に設け、その際に ― 最初の方法段階でプリント基板の全表面並びに貫通接触用孔(スルーホー ル)をポリマー形成性モノマーを含有する溶液で濡らし、中でも貫通接触用孔の 壁に吸着させ、 ― 第二方法段階でモノマーを酸化性物質を含む酸性の水溶液の作用下に重合 し、その際に溶液をプリント基板に向けて流し、そして ― 第三方法段階でプリント基板の導電性の場所にゆるく付着するポリマーを 除くことを特徴とする、上記方法。 2. 水平加工法を用いる請求項1に記載の方法。 3. 第三方法段階でプリント基板の導電性部分からのポリマー層の除去を、第 二方法段階で使用されるのと同じ酸性水溶液を注ぎかけるかまたは立ち波をかけ ることで行う請求項1または2に記載の方法。 4. 貫通接触用孔を打抜きまたは穿孔によって造る請求項1〜3のいずれか一 つに記載の方法。 5. 金属層が銅、ニッケル、金、パラジウム、亜鉛、鉛または亜鉛/鉛の群か ら選択される金属より成る請求項1〜4のいずれか一つに記載の方法。 6. 最初の方法段階を実施するために、モノマー、有機溶剤および水を含有す る溶液を使用する請求項1〜5のいずれか一つに記載の方法。 7. 最初の方法段階を実施するための溶液が1〜20%のモノマー並びに50 〜99%の有機溶剤または水または50〜99%の、有機溶剤と水との混合物を 含有している請求項6に記載の方法。 8. 用いるモノマーがピロールである請求項1〜7のいずれか一つに記載の方 法。 9. 第二方法段階を実施するための溶液が1〜20%の硫酸または塩酸または 燐酸、1〜20%のアルカリ金属過硫酸塩および/または2〜10%のH2O2、 残量の水を含有する請求項1〜8のいずれか一つに記載の方法。 10.方法を実施するために、両側が金属メッキされておりそして基材FR2、 FR3またはCEMより成るプリント基板を使用することおよび基材FR4を用 いる場合には最初の方法段階の前に有機溶剤で非導電性位置を膨潤させ、特に最 初の方法段階の後で溶液中で使用される有機溶剤を使用する、請求項1〜9のい ずれか一つに記載の方法。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4314259A DE4314259C2 (de) | 1993-04-30 | 1993-04-30 | Verfahren zur Durchkontaktierung von Leiterplatten mittels leitfähiger Kunststoffe zur direkten Metallisierung |
| DE4314259.1 | 1993-04-30 | ||
| DEP4314259.1 | 1993-04-30 | ||
| PCT/EP1994/001340 WO1994026082A1 (de) | 1993-04-30 | 1994-04-28 | Verfahren zur durchkontaktierung von leiterplatten mittels leitfähiger kunststoffe zur direkten metallisierung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH08509578A true JPH08509578A (ja) | 1996-10-08 |
| JP3635293B2 JP3635293B2 (ja) | 2005-04-06 |
| JP3635293B6 JP3635293B6 (ja) | 2005-06-15 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| EP0696410B1 (de) | 1997-07-16 |
| WO1994026082A1 (de) | 1994-11-10 |
| DE59403401D1 (de) | 1997-08-21 |
| ATE155636T1 (de) | 1997-08-15 |
| DE4314259A1 (de) | 1994-11-03 |
| AU6649794A (en) | 1994-11-21 |
| DE4314259C2 (de) | 1997-04-10 |
| JP3635293B2 (ja) | 2005-04-06 |
| KR960702258A (ko) | 1996-03-28 |
| EP0696410A1 (de) | 1996-02-14 |
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