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. 27, 2007
Filed:
Apr. 17, 2006
Hidero Anno, Otawara, JP;
Koichi Kitade, Otawara, JP;
Takayuki Kitami, Nasu-gun, JP;
Hironori Nakamuta, Otawara, JP;
Manabu Sato, Nasu-gun, JP;
Hidero Anno, Otawara, JP;
Koichi Kitade, Otawara, JP;
Takayuki Kitami, Nasu-gun, JP;
Hironori Nakamuta, Otawara, JP;
Manabu Sato, Nasu-gun, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electron Tubes & Devices, Tokyo, JP;
Abstract
The present invention is characterized by supporting a stator to generate a magnetic field and an anode target by a dynamic pressure plain bearing using a liquid metal, and cooling at least the inside of the dynamic pressure plain bearing and an enclosure containing an anode target by circulating one kind of cooling medium, in a rotary X-ray tube apparatus which obtains X-rays by impinging an electron on an anode by rotating an anode target.