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.

Date of Patent:
Feb. 02, 2016

Filed:

Jun. 29, 2015
Applicants:

Tsinghua University, Beijing, CN;

Hon Hai Precision Industry Co., Ltd., New Tapei, TW;

Inventors:

Bing-Chu Du, Beijing, CN;

Peng Liu, Beijing, CN;

Duan-Liang Zhou, Beijing, CN;

Chun-Hai Zhang, Beijing, CN;

Shou-Shan Fan, Beijing, CN;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 9/02 (2006.01); H01J 1/304 (2006.01); H01J 19/24 (2006.01); B82Y 99/00 (2011.01);
U.S. Cl.
CPC ...
H01J 1/304 (2013.01); H01J 19/24 (2013.01); B82Y 99/00 (2013.01); Y10S 977/742 (2013.01); Y10S 977/939 (2013.01);
Abstract

The disclosure relates to a field emission cathode. The field emission cathode includes a microchannel plate, a cathode electrode and a number of cathode emitters. The microchannel plate is an insulative plate and includes a first surface and a second surface opposite to the first surface. The microchannel plate defines a number of holes extending through the microchannel plate from the first surface to the second surface. The cathode electrode is located on the first surface. The number of cathode emitters are filled in the number of holes and electrically connected with the cathode electrode.


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