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SHEET FOR PUNCHING PRINTED WIRING SUBSTRATE AND METHOD OF PUNCHING PRINTED WIRING SUBSTRATE USING THE SHEET
SHEET FOR PUNCHING PRINTED WIRING SUBSTRATE AND METHOD OF PUNCHING PRINTED WIRING SUBSTRATE USING THE SHEET
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机译:冲裁印刷线路基板的冲床和冲裁印刷线路基板的方法
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摘要
PROBLEM TO BE SOLVED: To provide a sheet for punching a printed wiring substrate excellent in positioning accuracy in punching the substrate and in throwing power in plating and a method of punching a printed wiring substrate using the sheet.;SOLUTION: The sheet for punching a printed wiring substrate comprises arranging an aqueous tackifier layer [II] on one side of a plastic film or a metal foil [I] or arranging the aqueous tackifier layer [II] on one side of the plastic film or the metal foil [I] and further arranging at least one layer [III] consisting of the component selected from the group consisting of (A) an aqueous lubricant, (B) a water-soluble polymer, (C) a resin composition containing a copolymer having a compound shown in general formula (1) as a copolymer component and (D) a resin composition containing a water-soluble polymer and a water-soluble lubricant on the other side of the plastic film or the metal foil [I]. A method of punching a printed wiring substrate using the sheet is also presented.;COPYRIGHT: (C)2004,JPO&NCIPI
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