Durable coated magnetic development roller

Details Durable coated magnetic development roller Durable coated magnetic development roller

1995-12-29

1998-05-05

Lee, S.

Electrophotography

Image formation

Development

G03G 1509

Patent

active

057490333

ABSTRACT:
A cylindrical sleeve suitable for holding and conveying image forming toner particles is provided by a hollow cylinder of a non-magnetic material the exterior surface of which is texture by sand blasting and then by electrolessly coating the hollow cylinder with a durable uniform thin layer of an alloy of molybdenum, nickel and phosphorus. The interior of the hollow cylinder contains a magnet capable of generating a magnetic field sufficient to hold toner particles on the surface of the cylindrical sleeve.

REFERENCES:
patent: 5498837 (1996-03-01), Yamashita
patent: 5697029 (1997-12-01), Saitoh et al.

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