Electrophotograph developing roller and developing apparatus...

Details Electrophotograph developing roller and developing apparatus... Electrophotograph developing roller and developing apparatus...

2007-09-17

2010-11-09

Grainger, Quana M (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

07831183

ABSTRACT:
A developing roller comprising: a shaft comprising an aluminum alloy; and a coating layer directly formed on a periphery of the shaft, the coating layer comprising a conducting agent and a binder comprising a resin, wherein the aluminum alloy comprises 0.2 to 0.8% by mass of silicon and 0.05 to 1.5% by mass of maganese, based on the total mass of the aluminum alloy.

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