Nano-structure coated coronodes for low voltage charging...

Details Nano-structure coated coronodes for low voltage charging... Nano-structure coated coronodes for low voltage charging...

2008-07-08

2008-07-08

Nguyen, Kiet T (Department: 2881)

Radiant energy

Corona irradiation

Charging of objects

C399S168000

Reexamination Certificate

active

07397032

ABSTRACT:
Electrophotographic charging devices that can be used to charge or discharge, for example, a receptor in the electrophotographic process are provided. According to various embodiments, the exemplary charging devices can include a coronode disposed opposing and spaced apart from a receptor, and a plurality of nanostructures, wherein each of the plurality of nanostructures has an end, edge, or side in electrical contact with the coronode. The exemplary charging devices including the nanostructures can use less power, i.e. voltage and/or current than conventional charging devices and produce a reduced amount of oxidizing agents, such as, ozone and NOx. The nanostructures can serve to increase the intensity of the local electric fields for more efficient charge generation at reduced voltages.

REFERENCES:
patent: 5539205 (1996-07-01), Reale
patent: 6459870 (2002-10-01), Lee
patent: 6756174 (2004-06-01), Van Vechten et al.
patent: 7149460 (2006-12-01), Hays
patent: 7228091 (2007-06-01), Hays et al.

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