Electron tube comprising a semiconductor cathode

Details Electron tube comprising a semiconductor cathode Electron tube comprising a semiconductor cathode

1993-11-12

1995-08-22

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313495, 313444, 257 10, 257 11, H01J 2904

Patent

active

054443288

ABSTRACT:
By providing a semiconductor device such as a cold cathode (7) with extra zener or avalanche structure (26, 27 and 32, 33, respectively) a robust structure is obtained which is resistant damage from, e.g., flashoners, during manufacture and use in a vacuum tube. The semiconductor zones (24, 27, 32, 33) are also utilized as electron sources.

REFERENCES:
patent: 4259678 (1981-03-01), Van Gorkom et al.
patent: 4303930 (1981-12-01), Van Gorkom et al.
patent: 4352117 (1982-09-01), Cuomo et al.
patent: 4574216 (1986-03-01), Hoeberechts et al.
patent: 4682074 (1987-07-01), Hoeberechts et al.
patent: 5315207 (1994-05-01), Hoeberechts et al.

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