Contact-type charging member which includes an insulating metal

Details Contact-type charging member which includes an insulating metal Contact-type charging member which includes an insulating metal

1995-03-15

1996-03-26

Moses, R. L.

Photocopying

Contact printing

Light boxes

361225, G03G 1502

Patent

active

055025480

ABSTRACT:
A charging member for use in a contact charging device which charges a charge-receiving member such as a photosensitive drum in a copier or printer by applying a voltage to the charging member and contacting the charging member to the charge-receiving member. The charging member includes at least an elastic layer and a surface layer disposed thereon which contacts the charge-receiving member. The surface layer includes at least a semiconductive resin and an insulating metal oxide contained in the semiconductive resin, and the surface layer has a maximum height of surface roughness (Rmax) of 10 .mu.m to 100 .mu.m.

REFERENCES:
patent: 4371252 (1983-02-01), Uchida et al.
patent: 5112708 (1992-05-01), Okunuki et al.

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