Method of forming a discontinuous covering layer on radiation se

Details Method of forming a discontinuous covering layer on radiation se Method of forming a discontinuous covering layer on radiation se

1989-05-31

1991-04-09

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430156, 430166, 430192, 430271, 430273, 430935, 430950, G03C 1495, G03C 176, G03C 152

Patent

active

050064428

ABSTRACT:
A radiation sensitive plate is provided with a discontinuous covering layer to improve vacuum drawdown. The covering layer is produced by dissolving the material which is to form the covering layer in a solvent so as to form a solution having a conductivity of from 10.sup.3 to 10.sup.9 pSm.sup.-1. The solution is then directed towards the plate while providing a potential of at least 5 kV between the solution and the plate. The potential is the sole disruptive force in the liquid and draws the liquid into ligaments and disrupts the ligaments to form drops of substantially equal size which are then deposited on the plate.

REFERENCES:
patent: 4842982 (1989-06-01), Seibel et al.

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