Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making printing plates
Patent
1986-06-09
1987-10-27
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making printing plates
430325, 430327, 430394, 430396, 430494, 355 18, 355 27, 355 52, 355 55, 355 77, G03F 710, G03F 720
Patent
active
047029943
ABSTRACT:
A relief printing plate is made by exposing a photopolymer layer on a support sheet to image forming projected light radiation and then removing the unexposed portions of photopolymer. The image forming projected light radiation is provided by passing ultraviolet light radiation, which has been passed first to homogenizing means and then condensing means, through image bearing means out of contact with said photopolymer layer to a projection enlargement means which projects the resultant image upon the photopolymer layer at a predetermined ratio of enlargement greater than 1:1.
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Maccini John A.
Rendulic Francis J.
Robinson Randolph H.
Baker William L.
Channing Stacey L.
Schilling Richard L.
W. R. Grace & Co.
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