Method of making potassium, cesium, rubidium, antimony photocath

Details Method of making potassium, cesium, rubidium, antimony photocath Method of making potassium, cesium, rubidium, antimony photocath

1981-07-17

1982-07-13

Hoffman, James R.

Coating processes

Measuring, testing, or indicating

Thickness or uniformity of thickness determined

427 74, B05D 134, B05D 138, B05D 302

Patent

active

043394698

ABSTRACT:
A base layer comprised of antimony and oxygen is formed on a substrate within an evacuated enclosure. Rubidium, potassium and cesium are then evaporated onto the base layer after which the substrate is heated to promote an activating reaction between the rubidium, potassium, cesium and antimony.

REFERENCES:
patent: 3434876 (1965-11-01), Stoudenheimer et al.
patent: 3498834 (1967-02-01), Rome et al.
"Technique for Producing High-Sensitivity Rubidium-Cesium-Antimony Photocathodes" by Carl W. Morrison, Journal of Applied Physics, vol. 37, No. 2, Feb. 1966, pp. 713-715.

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