Method of manufacturing projection cathode ray tube with uniform

Details Method of manufacturing projection cathode ray tube with uniform Method of manufacturing projection cathode ray tube with uniform

1994-06-27

1997-07-08

O'Shea, Sandra L.

Electric lamp or space discharge component or device manufacturi

Process

Generating gas or vapor within an envelope, or coating by...

313474, H01J 2989

Patent

active

056454619

ABSTRACT:
To manufacture a cathode-ray projection tube, a glass face panel with a skirt portion is provided. The glass face panel is formed to satisfy the following formula 0.85.ltoreq.B/A, where A is a long edge length of the inner surface of the glass face panel and B is a short edge length of the inner surface of the glass face panel. Then, high and low refraction materials are alternately evaporated to form an optical multiple layered interference film having a substantially uniform thickness on the inner surface of the glass face panel.

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patent: 4904899 (1990-02-01), Nakata et al.
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