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:
Oct. 22, 2024
Filed:
Apr. 05, 2022
Canon Electron Tubes & Devices Co., Ltd., Otawara, JP;
Junki Sone, Nasushiobara, JP;
CANON ELECTRON TUBES & DEVICES CO., LTD., Otawara, JP;
Abstract
According to one embodiment, an X-ray tube includes an outer envelope that maintains a vacuum inside, an anode target provided inside the envelope and generating X-rays by collision of thermal electrons, and a cathode electron gun provided inside the envelope and emitting thermal electrons toward the anode target, and the X-ray tube includes an envelope assembly including a metal-made cylindrical support fixing portion and constituting the envelope, and an anode assembly including a metal-made support holding the cathode electron gun, and the support of the cathode assembly is fixed to an inner circumferential side thereof by welding.