Apparatus for laser-discharge imaging including beam-guiding assemblies
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United States of America Patent
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Sep 22, 1998
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N/A
app pub date -
Sep 8, 1995
filing date -
Sep 8, 1995
priority date (Note) -
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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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