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. 14, 1999
Filed:
Jan. 13, 1999
Applicant:
Inventors:
Osamu Nakamura, Tachikawa, JP;
Shigemi Suzuki, Yokohama, JP;
Assignees:
Casio Computer Co., Ltd., Tokyo, JP;
Stanley Electric Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
445 51 ; 427 77 ; 445 26 ;
Abstract
A method of manufacturing a cold-cathode for a discharging device by forming a film containing a rare earth element on a base plate; and oxidizing said rare earth element of said film. The oxidizing step can be accomplished by heating the rare earth element of said film in a gas atmosphere containing oxygen and/or oxygen-containing substance in a concentration of 1% or less by volume.
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Nakamura, Osamu. (1999). Method of manufacturing a cold-cathode for a discharge device (U.S. Patent No. 6000982). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6000982
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile