Semiconductor device having cold cathode

Details Semiconductor device having cold cathode Semiconductor device having cold cathode

1987-03-05

1989-08-01

Edlow, Martin H.

357 13, 357 31, 357 58, 357 52, H01L 29161

Patent

active

048537543

ABSTRACT:
A semiconductor cathode is realized with the aid of a pin structure in which the intrinsic semiconductor region includes a first region with a small band distance and a second region with a large band distance. Consequently, at a sufficient reverse voltage, electrons (6) are generated in the first region (6) which electrons tunnel from the valence band to the conduction band and have a sufficient potential energy to be emitted from the semiconductor body.

REFERENCES:
patent: 3466512 (1969-09-01), Seidel

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