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:
Jun. 04, 2013
Filed:
Jul. 11, 2008
Applicants:
Toshiyuki Morishita, Shibukawa, JP;
Yoshinori Terui, Shibukawa, JP;
Inventors:
Toshiyuki Morishita, Shibukawa, JP;
Yoshinori Terui, Shibukawa, JP;
Assignee:
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/15 (2006.01); H01J 19/08 (2006.01); H01K 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electron emitting source capable of preventing increase in an inter-terminal resistance and a manufacturing method of the electron emitting source. The electron emitting source comprises an electron emitting chip made of rare-earth hexaboride, and a heater constituted by a carbonaceous member for holding and heating the electron emitting chip, wherein an electrically conductive substance is provided in a gap between the electron emitting chip and the heater.