Method of inspection for cathode-ray tube component members and

Details Method of inspection for cathode-ray tube component members and Method of inspection for cathode-ray tube component members and

1994-02-28

1995-02-28

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With testing or adjusting

445 63, H01J 942, H01J 920

Patent

active

053932552

ABSTRACT:
An inspection method and an inspection apparatus for the component members of the cathode-ray tube are disclosed. An inspection apparatus composed of normal members other than an object of inspection is prepared at the time of inspecting the phosphor screen of the screen panel, the electron gun or the shadow-mask constituting the cathode-ray tube. In advanced to assembling the cathode-ray tube, the object of inspection is mounted on the inspection apparatus, so that the conformance or rejection of the object of inspection is decided from the illuminated condition of the phosphor screen by irradiating electron beams thereon.

REFERENCES:
patent: 4405950 (1983-09-01), Wardell
patent: 4584481 (1986-04-01), Matey
patent: 4881006 (1989-11-01), Hedrick

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