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:
May. 14, 2002
Filed:
May. 08, 1995
Applicant:
Inventor:
Roger W. Pryor, Bloomfield Hills, MI (US);
Assignee:
Wayne State University, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01L 3/00 ;
U.S. Cl.
CPC ...
C01L 3/00 ;
Abstract
A cold cathode is formed of carbon nitride. The cathode may include layers of boron nitride and diamond underlying the carbon nitride. The cathodes are made by reactive laser ablation or by sputtering. Electronic devices utilizing the carbon nitride cathodes are also described.