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:
Jun. 04, 2002
Filed:
Jan. 18, 2000
James E. Jaskie, Scottsdale, AZ (US);
Albert Alec Talin, Scottsdale, AZ (US);
Bernard F. Coll, Fountain Hills, AZ (US);
Kathleen Anne Tobin, San Antonio, TX (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A field emission device ( ) includes an electron emitter ( ) and an emitter-enhancing electrode ( ) having an enhanced-emission structure ( ), which is disposed proximate to electron emitter ( ). Enhanced-emission structure ( ) is embodied by, for example, each of the following structures: a tapered portion ( ) of emitter-enhancing electrode ( ), an electron-emissive edge ( ) that is generally parallel to an axis ( ) of electron emitter ( ), a combination of a conductive layer ( ) and an electron-emissive layer ( ) that is disposed proximate to an edge ( ) of conductive layer ( ), and an electron-emissive layer ( ) having a thickness of less than about 500 angstroms.