Photographic method

Details Photographic method Photographic method

1976-10-18

1978-03-28

Brammer, Jack P.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 27R, 96 33, 20415918, 20415923, G03C 500, G03C 504, G03F 702

Patent

active

040812766

ABSTRACT:
A method is described for forming an image or design on the surface of a substrate by treating the substrate with a photoinitiator, such as triphenylsulfonium hexafluoroantimonate. A mask can be placed on the treated substrate which is exposed to radiant energy, resulting in the formation of a cationic polymerization catalyst on the exposed substrate surface. The substrate can then be contacted with a cationically polymerizable organic material, such as an epoxy resin, resulting in the formation of an adherent organic film on the surface of the substrate which has been exposed.

REFERENCES:
patent: 3729313 (1973-04-01), Smith
patent: 3816280 (1974-06-01), Watt
patent: 3816281 (1974-06-01), Feinberg
patent: 3826650 (1974-07-01), Schlesinger
patent: 3961947 (1976-06-01), Wells

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