STRUCTURE OF ROTATING ANODE TYPE X-RAY TUBE HAVING IMPROVED THERMAL EMITTING EFFICIENCY

摘要

PURPOSE: A rotating anode x-ray tube structure is provided to prevent the vibration of a focus point by maintaining a rotation balance in the rotating anode x-ray tube structure and to expand lifetime of an x-ray tube. CONSTITUTION: A cathode assembly comprises an external bushing(401) and a filament. A rotating anode x-ray tube(300) forms an inlet port(804) of cooling fluid(801) in one side. The rotating anode x-ray tube is installed in the inner side of housing(802) in which a cooling fluid vent(805) is formed in the other side. The cooling fluid circulates the inside of the housing. A rotating anode body is integrally combined in the lower side of a target. Shafts are axial-bonded to the rotating center of the rotating anode. A rotor is combined to the lower side of the shafts and is rotated. A rotor bearing supports the rotor.