Television tube with optional shadow mask and method of...

Details Television tube with optional shadow mask and method of... Television tube with optional shadow mask and method of...

H - Electricity

01

J

316/13, 313/35.1

H01J 9/00 (2006.01) B41M 3/00 (2006.01) H01J 9/14 (2006.01) H01J 9/227 (2006.01)

Patent

CA 1222790

Abstract of the Invention TV bulb components and their method of manufacture are disclosed. A collector printing process is utilized for applying TV phosphor compounds with associated black background to the inner face of the TV panel. Also, an offset printing process is utilized for printing an acid resist ink on both sides of a TV aperture mask after it has been formed into an approximate spherical or cylindrical shape. Masks and panels produced in accordance with the present invention are interchangeable during bulb manufacture.

436531

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