| 摘要 |
<p>The present invention relates to a rotational positive electrode type x-ray tube. The rotational positive electrode type x-ray tube includes a disc type rotational positive electrode, a disc type rotating agent, a cylindrical fixing agent having a lubricant containing chamber, and a plurality of bearings. The rotational positive electrode type x-ray tube, according to the present invention, provides a structure which compensates axial thermal expansion and contraction using the bearings and longitudinal thermal expansion and contraction using a spring structure.</p> |
