The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 2010
Filed:
Jul. 26, 2007
Applicants:
Alec Gallimore, Ann Arbor, MI (US);
Joshua Rovey, Champaign, IL (US);
Inventors:
Alec Gallimore, Ann Arbor, MI (US);
Joshua Rovey, Champaign, IL (US);
Assignee:
The Regents of The University of Michigan, Ann Arbor, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03H 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas-fed hollow cathode keeper can reduce ion bombardment erosion by expelling gas through the keeper faceplate. The expelled gas effectively creates a high-pressure 'shield' around the keeper such that bombarding ions suffer energy-reducing collisions before impacting the keeper. If the bombarding ion energy is reduced enough, the erosion is eliminated since sputtering is a threshold phenomenon.
Gallimore, Alec. (2010). Gas-fed hollow cathode keeper and method of operating same (U.S. Patent No. 7791260). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7791260
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile