Method and means for controlling overburn in spark-imaged lithog

Details Method and means for controlling overburn in spark-imaged lithog Method and means for controlling overburn in spark-imaged lithog

1991-01-18

1991-10-01

Crowder, Clifford D.

Printing

Planographic

Rotary machines

101457, 101459, 101467, 346162, B41C 105, B41C 110

Patent

active

050522922

ABSTRACT:
A method of controlling unwanted degradation of overlapping image points in a sparked-imaged lithographic plate. A suitable conductive sheet having an appropriately selected volume resistivity is placed beneath the conductive metal sheet of the plate, thereby drawing off excess spark energy during the imaging process.

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Hartsuch, Paul J.; Ph.D., Chemistry for the Graphic Art, Graphic Art Techical Foundation; 1979, pp. 165-173.

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