Photocopying – Contact printing – Light boxes
Patent
1993-11-09
1995-11-07
Martin, Roland
Photocopying
Contact printing
Light boxes
430 57, 430 65, G03G 1500
Patent
active
054651379
ABSTRACT:
A printing member for electrostatic photocopying, comprises a substrate having a conductive surface and a photoelectric-sensitive, electrically chargeable layer deposited on the conductive surface of the substrate. The electrically chargeable layer has a non-single crystal semiconductor layer having a built-in-potential, or the non-single crystal semiconductor layer and an insulating or semi-insulating layer.
REFERENCES:
patent: 4889782 (1989-12-01), Yamazaki
patent: 5103262 (1992-04-01), Yamazaki
patent: 5303707 (1994-04-01), Yamazaki
Ferguson Jr. Gerald J.
Martin Roland
Semiconductor Energy Laboratory Co,. Ltd.
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