CRT screen exposure device and method

Details CRT screen exposure device and method CRT screen exposure device and method

1989-02-09

1991-03-19

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

430 24, 430396, 354 1, G03C 500

Patent

active

050010263

ABSTRACT:
The need for annealing the internal magnetic shield of a cathode ray tube to eliminate registration errors caused by non-uniformity of magnetic properties of the shield resulting from the forming process, is eliminated by using a shader plate with a convex curvature to adjust the screen pattern to compensate for such errors.

REFERENCES:
patent: 4078239 (1978-03-01), Prazak et al.

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