Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Screen other than for cathode-ray tube
Patent
1979-11-02
1981-08-11
Kimlin, Edward C.
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Screen other than for cathode-ray tube
350322, 430 7, 430321, 430394, 430396, 430952, 430307, 430310, G03F 500, G03C 500
Patent
active
042834716
ABSTRACT:
A printing plate is made in accordance with a particular method and is used in a printing process wherein it is effective to produce a substantially continuous tone printing effect. A negative screen having an overall pattern defined by rows of closely spaced substantially square-shaped areas is exposed a plurality of times on an image carrier. An image screen pattern is developed on the image carrier wherein each of the plurality of exposures of the overall pattern on the negative screen is effected at a different angle with respect to each other. A unique printing screen pattern is obtained which is then used for printing a reproduced image.
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Kimlin Edward C.
Markva Neil F.
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