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:
Sep. 24, 2024
Filed:
Mar. 11, 2022
Applicant:
Canon Electron Tubes & Devices Co., Ltd., Otawara, JP;
Inventors:
Assignee:
CANON ELECTRON TUBES & DEVICES CO., LTD., Otawara, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J 35/12 (2006.01); H01J 35/06 (2006.01);
U.S. Cl.
CPC ...
H01J 35/13 (2019.05); H01J 35/064 (2019.05); H01J 2235/1204 (2013.01); H01J 2235/1233 (2013.01); H01J 2235/1262 (2013.01);
Abstract
According to one embodiment, an X-ray tube device includes a cathode which emits electrons, an anode target which generates X-rays when the electrons emitted from the cathode collide therewith, a first tube portion, a second tube portion which forms a flow path of a coolant together with the first tube portion, and a protective film. The protective film covers an inner surface of the first tube portion, and is formed of hard gold.