Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1980-04-21
1982-01-19
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430302, 430309, 430322, G03C 178
Patent
active
043117848
ABSTRACT:
An improved photosensitive litho element comprises, in order, a support, a non-photosensitive solvent-soluble contiguous layer having an optical density of at least 3.0 in the visible region of the spectrum and a maximum thickness of 0.015 mm, and a solvent-processable photosensitive layer. Dot-etchable contact litho negatives and positives are provided.
REFERENCES:
patent: 2791504 (1957-05-01), Plambeck
patent: 3879920 (1975-04-01), Gervay
patent: 4123272 (1978-10-01), Quinn
patent: 4126466 (1978-11-01), Roos
Brammer Jack P.
E. I. Du Pont de Nemours and Company
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