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. 01, 2005
Filed:
Mar. 30, 2000
Applicants:
Takashi Iwasa, Wako, JP;
Junzo Ishikawa, Kyoto, JP;
Inventors:
Takashi Iwasa, Wako, JP;
Junzo Ishikawa, Kyoto, JP;
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J001/30 ;
U.S. Cl.
CPC ...
Abstract
An electric element is formed of a deposited film containing cesium (Cs) and has a plurality of conical projections on its surface. The projections are formed of cesium oxide and have an average height h in a range of 10 nm≦h≦500 nm. The electronic element is used as a cold cathode element, and has a high practicality, and for example, emits electrons sufficiently even with a low voltage applied thereto.