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:
Sep. 10, 2013
Filed:
May. 25, 2012
Applicants:
Jin Woo Jeong, Daejeon, KR;
Jun Tae Kang, Daegu, KR;
Yoon Ho Song, Daejeon, KR;
Jae Woo Kim, Daejeon, KR;
Inventors:
Jin Woo Jeong, Daejeon, KR;
Jun Tae Kang, Daegu, KR;
Yoon Ho Song, Daejeon, KR;
Jae Woo Kim, Daejeon, KR;
Assignee:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/304 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a field emitter, including: a cathode electrode in a shape of a tip; an emitter having a diameter smaller than a diameter of the cathode electrode and formed on the cathode electrode; and a gate electrode having a single hole and located above the emitter while maintaining a predetermined distance from the emitter.