Transparent photocathode

Details Transparent photocathode Transparent photocathode

1995-10-25

1997-01-28

Horabik, Michael

Electric lamp and discharge devices

Photosensitive

Photocathode

313541, H01J 4006

Patent

active

055980627

ABSTRACT:
A transparent photocathode comprises a silver layer formed on a transparent substrate, comprising silver particles having an average diameter of 80 to 200 nm, and a silver oxide layer, potassium layer, and a cesium layer. As a result of the silver layer comprising silver particles having dispersive diameters, the transparent photocathode can selectively achieve high sensitivity to an infrared region of near 1.5 .mu.m wavelength.

REFERENCES:
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patent: 3992071 (1976-11-01), Hughes et al.
patent: 4396853 (1983-08-01), Caraher
patent: 4725758 (1988-02-01), Iigami
patent: 4816183 (1989-03-01), Bates, Jr.
patent: 4853595 (1989-08-01), Alfano et al.
patent: 4950952 (1990-08-01), Aramaki
patent: 5118952 (1992-06-01), Sakamoto et al.
Jin-Lei et al, "Experimental Study on Photoemissive Thin Film's With Ultrafine Particles", CHINESE SCIENCE BULLETIN, vol. 38, No. 15, Aug. 1993, pp. 1262-1264.

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