Mounting of a cold cathode directly to a vacuum chamber wall

Details Mounting of a cold cathode directly to a vacuum chamber wall Mounting of a cold cathode directly to a vacuum chamber wall

1986-12-08

1989-01-31

Moore, David K.

Electric lamp and discharge devices

With temperature modifier

Hollow electrode or lead

313268, 313618, 313619, 372 87, H01J 196, H01J 726, H01J 1738, H01J 3097

Patent

active

048018392

ABSTRACT:
A cold cathode for generating an abnormal glow discharge electron beam within a vacuum chamber is mounted to a wall of the vacuum chamber such that only the emitting front face of the cold cathode, itself electrically insulated from the vacuum chamber wall by a narrow gap therebetween, is located inside the vacuum chamber, while the remainder of the cold cathode is located outside the vacuum chamber.

REFERENCES:
patent: 3430091 (1969-02-01), Davis
patent: 3758806 (1973-09-01), Bostrom
patent: 4196938 (1980-04-01), Lunev et al.
patent: 4317067 (1982-02-01), Fitzsimmons et al.
patent: 4595377 (1986-06-01), Norvell

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