Printing drum for an electrostatic imaging process with a doped

Details Printing drum for an electrostatic imaging process with a doped Printing drum for an electrostatic imaging process with a doped

1978-10-17

1980-09-30

Talbert, Jr., Dennis E.

Photocopying

Including fiber optics

430 57, 430 95, 430133, 430136, 430135, 148174, 148175, 427 39, G03G 5082, G03G 1530

Patent

active

042252229

ABSTRACT:
A printing drum is disclosed for electrostatic copying. The drum has a photo-electric-sensitive layer consisting of amorphous silicon advantageously containing hydrogen. The layer is designed to have a PN transition. A method is also disclosed for producing the layer by means of decomposition of a conveyed silicon-containing gas to which, if necessary, a gaseous doping material is added during a glow discharge in a heated printing drum.

REFERENCES:
Chirtick, Journal of Noncrystalline Solids #3 1970, pp. 255-270.
Phys. Rev. 89 pp. 331-332 1953 Burstein.
Chemical Abstracts, vol. 73, 103304p 1970.

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