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:
Dec. 07, 2021
Filed:
Jun. 23, 2020
Applicant:
Awexome Ray, Inc., Anyang-si, KR;
Inventors:
Assignee:
AweXome Ray, Inc., Anyang-si, KR;
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/304 (2006.01); B82Y 30/00 (2011.01); H01J 1/15 (2006.01);
U.S. Cl.
CPC ...
H01J 1/304 (2013.01); B82Y 30/00 (2013.01); H01J 1/15 (2013.01); H01J 2201/30469 (2013.01);
Abstract
Provided is a field emission apparatus including a pipe-shaped emitter holder comprising an electrically conductive material and a first internal space communicated in a first direction, and an emitter electrode having one or more yarns each having a structure extending in the first direction in which a plurality of CNTs that extend in the first direction are aggregated, and the emitter electrode is inserted in the first internal space while extending in the first direction.