Method for manufacturing rotary screen

Details Method for manufacturing rotary screen Method for manufacturing rotary screen

1992-05-22

1994-08-16

Rosasco, Steve

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Screen other than for cathode-ray tube

430 7, G03F 900

Patent

active

053386272

ABSTRACT:
A method of manufacturing a rotary halftone screen which has no slit or meshless portion by the use of galvano process including a step of exposing the roll coated with high-sensitivity photosensitive film by a multiple number of laser beams. The multiple number of laser beams are controlled by preset electric data so that desired halftone points of negative halftone image are exposed on the roll.

REFERENCES:
patent: 3981237 (1976-09-01), Rhodes
patent: 4251625 (1981-02-01), Sakamoto et al.

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