| 摘要 |
Disclosed is a rotary anode type X-ray tube comprising an anode target emitting an X-ray, a rotating mechanism for rotatably supporting the anode target, the rotating mechanism including an inside rotor and a stator, bearings being arranged between the inside rotor and the stator, and a vacuum envelope housing the anode target and the rotating mechanism. Dynamic slide bearings each using a liquid metal lubricant and ball bearings are used as the bearings arranged between the inside rotor and the stator.
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