Developer carrying roller having a surface layer with contoured

Details Developer carrying roller having a surface layer with contoured Developer carrying roller having a surface layer with contoured

1994-03-16

1996-01-09

Brase, Sandra L.

Photocopying

Contact printing

Light boxes

355200, 355251, 355253, G03G 1506

Patent

active

054833264

ABSTRACT:
A sleeve for a magnetic roller to transfer a developer from a supply to a developing zone. The sleeve having a surface layer formed by burnishing the sleeve with a diamond, wherein the surface layer has an increased resistance to oxidation. A surface contour is formed on the sleeve to lie entirely within the surface layer, wherein the surface contour has a sufficient size to triboelectrically charge the developer. A method for forming the surface finish includes cutting the sleeve with a diamond and impacting a slurry against the sleeve to form the surface contours.

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Richard Rhorer & Philip Hannah, Class Notes, Basic Diamond Turning Techniques, A Tutorial Presented at The American Socieity Engineering, Oct. 1991.
Jeffery W. Carr and C. Narayan, Single Point Diamond Machining Induced Damage on Single Copper, Aluminum and Gold, IBM Research Division, p. 96.
Lester Cornelius, How to Get Optimum Performance From SX, IIIsi, IIp, and Series 4 Mag Rollers, Optical Technologies Corp., Aug. 1992.
Robert S. Polvani and Chris J. Evans, Aluminum Optics, But of Which Alloy and What Temper' National Institute of Standards and Technology.

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