Process of preparing screen stencil using diazo photosensitive c

Details Process of preparing screen stencil using diazo photosensitive c Process of preparing screen stencil using diazo photosensitive c

1984-07-13

1986-01-14

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430175, 430176, 430177, 430292, 430294, G03F 712

Patent

active

045645817

ABSTRACT:
The invention provides photosensitive compositions useful in the production of screen printing stencils which comprise, in addition to the usual ingredients, also an indicator to show when a layer formed from the said composition has been isolubilized by exposure to actinic light.

REFERENCES:
patent: 2994608 (1961-08-01), Schmidt et al.
patent: 3189451 (1965-06-01), Reichel
patent: 3211533 (1965-10-01), Ito
Lange, N. A., "Handbook of Chemistry", 8th ed., 1952, pp. 942-946.
Grant, J., "Hackh's Chemical Dictionary", 4th ed., 1969, pp. 344-345.

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