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. 26, 2005
Filed:
Dec. 05, 2001
Applicants:
Zvi Yaniv, Austin, TX (US);
Richard Lee Fink, Austin, TX (US);
Igor Pavlovsky, Austin, TX (US);
Inventors:
Assignee:
SI Diamond Technology, Inc., Austin, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L029/06 ;
U.S. Cl.
CPC ...
Abstract
A cathode includes a carbon nanotube layer, which is optimized with a low work function material, such as an alkali. The inclusion of the alkali material improves the field emission properties of the carbon nanotube layer.