Three dimensional plating or etching process and masks therefor

Details Three dimensional plating or etching process and masks therefor Three dimensional plating or etching process and masks therefor

H - Electricity

05

K

356/12, 356/22

H05K 1/02 (2006.01) G03F 1/00 (2006.01) H05K 3/00 (2006.01) H05K 1/00 (2006.01)

Patent

CA 2036818

60LT01067 ABSTRACT In a process for plating or etching metalization patterns on the surface of a three dimensional substrate, a flexible plastic mask is fabricated by first coating the surface of a thin plastic sheet with vacuum formable ink. The mask is then molded into the shape of the surface into which the pattern is to be formed. A low power YAG laser is used to remove areas of the ink through which light is to be allowed to pass. This mask may then be used in either a print and plate process or a print and etch process by drawing the mask into intimate contact with the workpiece by applying a vacuum between the mask and the workpiece. The workpiece may then be exposed to light through the clear areas of the mask.

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