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:
Oct. 07, 2003
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Nalin Kumar, Austin, TX (US);
Chenggang Xie, Cedar Park, TX (US);
Assignee:
SI Diamond Technology, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 9/02 ;
U.S. Cl.
CPC ...
H01J 9/02 ;
Abstract
A field emission cathode is provided which includes a substrate and a conductive layer desposed adjacent the substrate. An electrically resistive pillar is disposed adjacent the conductive layer, the resistive pillar having a substantially flat surface spaced from and substantially parallel to the substrate. A layer of diamond is disposed adjacent the surface of the resistive pillar.