Process for producing adhesive metallic coatings on...

Details Process for producing adhesive metallic coatings on... Process for producing adhesive metallic coatings on...

B - Operations, Transporting

01

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204/91.34

B01J 19/08 (2006.01) B05D 3/06 (2006.01) B05D 7/24 (2006.01) B29C 59/16 (2006.01) C23C 14/02 (2006.01) C23C 18/22 (2006.01) H05K 3/38 (2006.01) B29C 35/08 (2006.01)

Patent

CA 1134776

ABSTRACT OF THE DISCLOSURE Conventional processes for metallizing nonconductors, particularly plastics, by chemical refining, vapour deposition or sputtering, operate with adhesion-promoting intermediate layers, as for example, lacquers or adhesives. In many cases, a satis- factory bond strength cannot be attained with these contact ad- hesives. Moreover, the contact adhesives can interfere with the subsequent treatment. Therefore, a process is described in which the surface regions to be coated are roughened by means of an etching method prior to the metallization. Prior to etching these surface regions they are exposed to an energy rich irradia- tion. Heavy ion beams are satisfactory as energy rich irradia- tion.

349814

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