Printing – Stenciling – Stencils
Reexamination Certificate
2006-03-28
2006-03-28
Hirshfeld, Andrew H. (Department: 2854)
Printing
Stenciling
Stencils
C101S114000, C358S001700
Reexamination Certificate
active
07017480
ABSTRACT:
The present invention relates to an automatic machine for photoengraving or photoetching screen printing plates for screen-printing high quality compact discs or CD's, comprising a central control unit operatively coupled to a photoengraving station, including a frame or plate conveyor to convey printing frames or plates under a frame photoengraving assembly adapted to scan, by a polygonal mirror and a flat field lens, a laser light beam.
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patent: 2005/0062839 (2005-03-01), Shiraishi
Hamdan Wasseem H.
Hirshfeld Andrew H.
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