Method of making laminating glazing unit

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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Details

156 99, 156106, 20419214, 20419217, 20419229, B32B 3112, C23C 1408, C23C 1418, C23C 1434

Patent

active

053485998

ABSTRACT:
A method of making a glazing unit comprises sputter coating surface of a substrate ply with a first film of dielectric material and then a substantially transparent, electrically conductive coating, and then laminating the coated surface of the substrate ply to a laminating ply of polymeric material. The first film of dielectric material is sputtered onto the surface of the substrate followed by sputtering, in a non-oxidizing atmosphere, an electrically conductive film of silver metal over the first dielectric film. An adhesion film of copper or zinc is sputtered over the silver metal film in a non-oxidizing atmosphere. A film of tantalum pentoxide is then sputtered over the adhesion film. Applications include, for example, glazing units for solar load reduction and electrically heated glazing units.

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