Device for electron emission including device for providing work

Details Device for electron emission including device for providing work Device for electron emission including device for providing work

1987-05-21

1988-02-02

Bueker, Richard R.

Coating processes

Electrical product produced

Electron emissive or suppressive

427124, 4272481, 427250, 427252, C23C 1400

Patent

active

047228520

ABSTRACT:
An electron-emitting surface is provided with a material reducing the electron work function, which is obtained from a suitable reaction. The reaction mixture or the product to be decomposed, for example CsN.sub.3, is present in a surface depression of a semiconductor body, while one or more pn junctions act as a heating diode. Upon heating, cesium is released and deposited on the electron-emitting surface.

REFERENCES:
patent: 4303930 (1981-12-01), Van Gorkom
patent: 4370797 (1983-02-01), Van Gorkom
patent: 4651052 (1987-03-01), Hoeberechts

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