Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1995-09-08
1998-09-22
Wong, Peter S.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
347211, 359811, G03B 2100
Patent
active
058121790
ABSTRACT:
Laser guiding and focusing apparatus for imaging lithographic printing members responsive to the output of laser devices. Radiation passes through at least one discrete layer of a printing member and ablates one or more underlying layers, resulting in an imagewise pattern of features on the printing member. The radiation is obtained from a laser diode and its dispersion reduced to produce an image spot with maximum depth-of-focus tolerance.
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Kline John F.
Pensavecchia Frank G.
Sousa John G.
Williams Richard A.
Presstek Inc.
Toatley , Jr. Gregory J.
Wong Peter S.
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