Photocopying – Contact printing – Light boxes
Patent
1992-12-23
1996-02-06
Grimley, A. T.
Photocopying
Contact printing
Light boxes
361225, 430902, G03G 1502
Patent
active
054899737
ABSTRACT:
An image forming apparatus provided with a contact charging device, in which an electrically conductive member contacts a surface of an electrostatic latent image carrier for charging the surface, wherein at least impurity atom selected from the group consisting of elements of Group IA, II, VI and VII of the periodic table is adhered to the electrically conductive member, and a total content of the impurity atom is in a range from 0.05 wt % to 0.45 wt% with respect to all atoms including the impurity atom and atoms forming the electrically conductive member.
REFERENCES:
patent: 3959574 (1976-05-01), Seanor et al.
patent: 4729925 (1988-03-01), Chen et al.
patent: 5011739 (1991-04-01), Nielsen et al.
patent: 5089851 (1992-02-01), Tanaka et al.
patent: 5225878 (1993-07-01), Asano et al.
Asano Masaki
Iino Shuji
Ikegawa Akihito
Osawa Izumi
Tanaka Kenzo
Grimley A. T.
Lee Shuk Y.
Minolta Camera Kabushiki Kaisha
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