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:
Apr. 19, 2005
Filed:
Jul. 30, 2002
Mika Yamagishi, Takatsuki, JP;
Mika Yamagishi, Takatsuki, JP;
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Abstract
An electron tube cathode includes an emitter layerwhose main component is barium oxide and that includes a metal and/or a metal oxide as a dopant is formed on a base metalwhose main component is nickel and that includes a reducing agent such as magnesium. A mole ratio of the magnesium, barium, and the dopant is expressed as Y:1000:X. When the X and Y values in are expressed as XY coordinates, the value of X and the value of Y are within a range defined by straight lines connecting points (0.7, (0.8, 15), (3, 130), (3, 30), (2.5, 10), (2, 0.1), and 0.1).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile