G - Physics – 03 – F
Patent
G - Physics
03
F
196/172
G03F 7/027 (2006.01) G03F 7/038 (2006.01) G03G 5/026 (2006.01) G03G 5/07 (2006.01) G03G 13/08 (2006.01)
Patent
CA 2025680
63 TITLE PHOTOHARDENABLE ELECTROSTATIC ELEMENT WITH IMPROVED BACKTRANSFER CHARACTERISTICS Photohardenable electrostatic master with improved backtransfer characteristics comprising (1) an electrically conductive substrate, and (2) a layer of photohardenable composition consisting essentially of (a) at least one organic polymeric binder, (b) at least one compound having at least one ethylenically unsaturated group, and (c) a photoinitiator or photoinitiator system, and (d) an acidic additive as defined. A xeroprinting process is described using the master. The master is used in graphic arts, color proofing which duplicates images produced by printing, preparation of printed circuit boards, resists, soldermasks, etc.
Chang Catherine T.
E. I. Du Pont de Nemours And Company
Sim & Mcburney
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