Electrophotographic element having a selenium layer containing a

Details Electrophotographic element having a selenium layer containing a Electrophotographic element having a selenium layer containing a

1974-02-01

1976-08-10

Klein, David

Gas separation: apparatus

Magnetic separating means

427 76, 427 78, G03G 504

Patent

active

039739600

ABSTRACT:
Electrophotographic recording material composed of a layer of selenium, selenium alloys, or selenium compounds, with arsenic as a additive, disposed on a conductive carrier is given improved properties by forming the layer to have a total arsenic content of 1 to 20%, by weight, and a concentration gradient such that the arsenic concentration decreases from the exposed surface of the layer in the direction toward the carrier and has a concentration of at least 13% at the exposed surface of the layer.

REFERENCES:
patent: 2739079 (1956-03-01), Keck
patent: 2803542 (1957-08-01), Ullrich
patent: 3041166 (1962-06-01), Bardeen
patent: 3077398 (1963-02-01), Jones
patent: 3288604 (1966-11-01), Corrsin
patent: 3312548 (1967-04-01), Straughan
patent: 3490903 (1970-01-01), Myers et al.
patent: 3799793 (1974-03-01), Smith et al.
patent: 3861913 (1975-01-01), Chiou

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