Patent · US Expired

Compact charging method and device with gas ions produced by electric field electron emission and ionization from nanotubes

US7228091B2 · kind B2 · utility

10Cited by
7References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 2005
Grant dateJun 5, 2007
Priority date
Expiry dateAug 20, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/026
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In accordance with the invention, there is an electrophotographic charging device comprising a first electrode, a second electrode adjacent the first electrode, a plurality of nanotubes adhering to at least one of the first electrode and the second electrode, and a voltage supply electrically connected to the first electrode and the second electrode, wherein the first electrode and the second electrode impart charge to a portion of a gaseous material that is deposited on a receptor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.