Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1995-08-23
1998-05-19
Reinhart, Mark J.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
347260, B41J 247
Patent
active
057542198
ABSTRACT:
A device for producing a printing stencil, in particular a screen printing stencil, having a rotatably supported printing cylinder, a laser for generating a laser beam incident on the printing cylinder and capable of being displaced in the longitudinal direction of the printing cylinder, and focusing optics to focus the laser beam onto the surface of the printing cylinder. The focusing optics have at least one deflection mirror with an elastically deformable mirror diaphragm. At least one sensor is provided to measure a distance between itself and the surface of the printing stencil. An actuating signal generator generates an actuating signal as a function of the measured distance. Actuating devices set a curvature of the mirror diaphragm as a function of the actuating signal.
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patent: 5353047 (1994-10-01), Nakamura et al.
Dr. K. von Grote, et al. "Material Processing with Lasser", Laser+Electro-Optik, 2253, Jr. 9, No. 4 (Nov. 1977).
Reinhart Mark J.
Schablonentechnik Kufstein Aktiengesellschaft
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