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:
Jul. 18, 2017
Filed:
Apr. 29, 2014
General Electric Company, Schenectady, NY (US);
Yun Zou, Clifton Park, NY (US);
Carey Shawn Rogers, Brookfield, WI (US);
Sergio Lemaitre, Whitefish Bay, WI (US);
Mark Alan Frontera, Ballston Lake, NY (US);
Xi Zhang, Ballston Lake, NY (US);
General Electric Company, Niskayuna, NY (US);
Abstract
An emitter device having an emission surface includes a plurality of ligaments configured to emit electrons in response to an applied electric field resulting from an applied electrical voltage. Further, the emitter device includes a plurality of slots configured to provide physical separation between two or more adjacently disposed ligaments of the plurality of ligaments, where one or more slots of the plurality of slots define an electrical path. Moreover, the emitter device includes a low work function layer disposed on at least a portion of a ligament of the plurality of ligaments.