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Treatment of polymers for subsequent metallization using intense UV radiation or plasma at atmospheric pressure

: Pochner, K.; Beil, S.; Horn, H.; Blömer, M.


Surface and coatings technology 97 (1997), S.372-377 : Ill., Lit.
ISSN: 0257-8972
Fraunhofer ILT ()
atmospheric pressure plasma; dielectric barrier discharge; metal deposition on plastics; polymer surface treatment

The activation of polymer surfaces in glow discharges and the deposition of metals from organo-metallic vapours, both at low pressure, are standard laboratory processes. The upscaling to industrial mass product applications is, however, hampered by cost and the time consumption needed for establishing a sufficient vacuum. Atmospheric pressure processes based on the same physical surface interactions show great promise as replacements of some steps in galvanic plating. Successful metallizations are reported after treatment of polymers in barrier discharges at atmospheric pressure. These may be applied directly to the surface of the workpiece or indirectly from within large-area monochromatic excimer UV lamps. Comparisons with excimer UV laser treatment are made.