Patent · US Expired

Micro-discharge devices and applications

US7439663B2 · kind B2 · utility

3Cited by
15References
64Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 2003
Grant dateOct 21, 2008
Priority date
Expiry dateMar 17, 2026

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2201/326
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A high pressure gas discharge device and methods of using the device as a UV gas discharge light source are disclosed. The device has a cathode covered partially with a dielectric layer which separates the cathode from an anode. A discharge device utilizes one or more microhollows in the uncovered part of the cathode. Methods of utilizing the discharge devise as a gas discharge light source for producing ultrapure water.

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