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. 30, 2017
Filed:
Nov. 02, 2015
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventors:
So Ra Park, Seoul, KR;
Yoon Ho Song, Daejeon, KR;
Jin Woo Jeong, Daejeon, KR;
Jae Woo Kim, Daejeon, KR;
Min Sik Shin, Daejeon, KR;
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 21/10 (2006.01); H01J 3/02 (2006.01); H01J 29/46 (2006.01); H01J 19/24 (2006.01);
U.S. Cl.
CPC ...
H01J 3/021 (2013.01); H01J 29/46 (2013.01); H01J 29/467 (2013.01); H01J 2203/0216 (2013.01); H01J 2203/0232 (2013.01);
Abstract
The present disclosure may provide a field emission device with an enhanced beam convergence. For this, the device may include a gate structure disposed between a cathode electrode and an anode electrode, wherein the gate structure includes a gate electrode and an atomic layer sheet disposed on the gate electrode, the gate electrode facing an emitter and having at least one aperture formed therein.