G - Physics – 03 – F
Patent
G - Physics
03
F
402/147, 96/172
G03F 7/038 (2006.01) C08F 299/06 (2006.01) C08G 18/34 (2006.01) C08G 18/67 (2006.01) G03F 7/035 (2006.01)
Patent
CA 1332093
A PHOTOIMAGABLE SOLDER MASK COATING Abstract of the Disclosure A UV sensitive coating composition is des- cribed which is a polymer prepared from a condensation reaction of a diisocyanate, a hydroxy alkyl (di or tri) (meth)acrylate and a carboxylic acid polyol. Optionally, a polyol and/or a dicarboxylic acid polyol can also be included as reactants. The coating polymer, thus pre- pared, can also be combined with binders and crosslinkers.
550900
Armstrong World Industries Inc.
Gowling Lafleur Henderson Llp
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