Photocopying – Contact printing – Light boxes
Patent
1993-04-14
1994-04-12
Martin, Roland
Photocopying
Contact printing
Light boxes
430 57, 430 67, G03G 1522
Patent
active
053030079
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.
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Martin Roland
Semiconductor Energy Laboratory Co,. Ltd.
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