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:
Mar. 13, 2012
Filed:
Dec. 16, 2010
Applicants:
Taiko Motoi, Atsugi, JP;
Eiji Ozaki, Tokyo, JP;
Ryoji Fujiwara, Chigasaki, JP;
Akiko Kitao, Atsugi, JP;
Inventors:
Taiko Motoi, Atsugi, JP;
Eiji Ozaki, Tokyo, JP;
Ryoji Fujiwara, Chigasaki, JP;
Akiko Kitao, Atsugi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 17/49 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electron-emitting device includes an electron-emitting film containing molybdenum. A spectrum obtained by measuring a surface of the electron-emitting film by X-ray photoelectron spectroscopy has a first peak having a peak top in the range of 229±0.5 eV and a sub peak having a peak top in the range of 228.1±0.3 eV.