Title:
ROTARY POSITIVE ELECTRODE TYPE X-RAY TUBE
Document Type and Number:
Japanese Patent JP3811078
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a rotary positive electrode type X-ray tube preventing leakage of a liquid metal antifriction to the inside space of a vacuum vessel.
SOLUTION: This rotary positive electrode type X-ray tube is provided with: a positive electrode target 12 disposed in the vacuum vessel 11; and a rotary support mechanism 15 equipped with a dynamic pressure type sliding bearing using the liquid metal antifriction for rotatably supporting the target 12. The X-ray tube is characterized in that the support mechanism 15 has at least two inside cylinders 17 and a thrust ring 20 having surfaces coming into contact with each other in a predetermined area, and a metallic sealing member 101 easily wetted by the liquid metal antifriction is disposed between the inside cylinder 17 and the thrust ring 20 and in the vicinity of the predetermined area.
Inventors:
Hideki Ide
Application Number:
JP2002018594A
Publication Date:
August 16, 2006
Filing Date:
January 28, 2002
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
F16C17/10; H01J35/10; F16C33/10; F16C33/74; (IPC1-7): H01J35/10; F16C17/10; F16C33/10; F16C33/74
Domestic Patent References:
| JP5083448U | ||||
| JP5013029A | ||||
| JP5082058A | ||||
| JP2000173518A |
Attorney, Agent or Firm:
Norio Ohu