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. 04, 2006
Filed:
Aug. 22, 2002
Takeshi Ishii, Oyama, JP;
Takanori Handa, Utsunomiya, JP;
Masayuki Aiga, Hyogo, JP;
Nagisa Kuwahara, Tochigi, JP;
Takeshi Ishii, Oyama, JP;
Takanori Handa, Utsunomiya, JP;
Masayuki Aiga, Hyogo, JP;
Nagisa Kuwahara, Tochigi, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A magnetron comprising an anode portion having an anode cylinder and vanes, a cathode portion having a coil-shaped filament, magnetic poles disposed at the upper and lower ends of the filament, ring-shaped permanent magnets made of a Sr ferrite magnet containing La—Co, an input portion and an output portion. The diameter φa of the inscribed circle at the ends of the vanes constituting the anode portion is in the range of 7.5 to 8.5 mm, and the outside diameter φc of the coil-shaped filamentconstituting the cathode portion is in the range of 3.4 to 3.6 mm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile