Spray development of photosensitive plates
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United States of America Patent
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Oct 28, 2008
Grant Date -
May 1, 2008
app pub date -
Oct 27, 2006
filing date -
Oct 27, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Excellent development of photosensitive coatings on planographic printing plates is achieved by directing a dynamic flow of fresh alkaline developer solution that impinges on a target area of the coating extending the width of the plate and floods the target area with a turbulent flow. At sufficient volumetric flow rate, the developer solution at the target area is constantly displaced during the development time, whereby no boundary layer forms on and travels with the plate during the development time and thus the target area is always in contact with fresh developer solution.
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