Method of cleaning the cathode of a cathode ray tube and a metho

Details Method of cleaning the cathode of a cathode ray tube and a metho Method of cleaning the cathode of a cathode ray tube and a metho

1998-04-02

2000-03-28

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With start up, flashing or aging

H01J 944

Patent

active

060424419

ABSTRACT:
A getter in a tube body is heated in an exhaust process of a cathode ray tube, and during the time gas is emitted due to the heating of the getter, electrons are emitted from the cathode. Then the exhaust tube of the tube body is sealed to maintain a high vacuum by utilizing the absorbing function of the getter.

REFERENCES:
patent: 4457731 (1984-07-01), Patrickson et al.
patent: 4668203 (1987-05-01), Giudici
patent: 5658180 (1997-08-01), Takagi

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