Compact charging method and device with gas ions produced by electric field electron emission and ionization from nanotubes
US7228091B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2005 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Aug 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.