Aperture pattern printing plate

Details Aperture pattern printing plate Aperture pattern printing plate

1991-11-14

1993-11-09

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

430 5, 430292, 430302, 430325, G03F 900

Patent

active

052601536

ABSTRACT:
An aperture pattern printing plate for manufacturing a shadow mask having an opaque layer form in parts on a surface of a transparent plate. The parts of the opaque layer corresponding to apertures in an effective area of the shadow mask. The opaque layer projecting from the transparent plate, and having a thickness of 30 to 50 .mu.m.

REFERENCES:
patent: 3973965 (1976-08-01), Suzuki et al.
patent: 4656107 (1987-03-01), Moscony et al.
patent: 4669871 (1987-06-01), Wetzel et al.

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