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:
Apr. 16, 2002
Filed:
Mar. 24, 2000
Applicant:
Inventors:
Anthony A. Kloba, Austin, TX (US);
Randolph D. Schueller, Austin, TX (US);
David A. Delguzzi, Pflugerville, TX (US);
Donald E. Patterson, Pearland, TX (US);
Keith D. Jamison, Austin, TX (US);
Kent R. Kalar, Austin, TX (US);
Assignee:
Extreme Devices, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 2/948 ;
U.S. Cl.
CPC ...
H01J 2/948 ;
Abstract
Apparatus and method for mounting a field emission device having emitters and an extraction grid in an electron gun are provided. The apparatus may be adapted from parts of a conventional electron gun that uses a thermionic emitter. Electrical connection to the grid is provided by bumps that are spring-loaded against a conducting surface, such as the second grid of a conventional electron gun.