X-RAY TUBE DEVICE
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United States of America Patent
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Aug 25, 2017
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Feb 27, 2015
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Abstract
According to one embodiment, an X-ray tube device includes an anode target including a target surface and a cathode including a plurality of electron generation sources configured to emit the electrons, a vacuum envelope configured to house the cathode and the anode target and internally sealed in a vacuum airtight manner, and a quadrupole magnetic-field generator configured to form a magnetic field by being supplied with a current from a power source, the quadrupole magnetic-field generator being installed on an outer side of the vacuum envelope and constituted of a quadrupole surrounding a periphery of electron orbits of the electrons emitted simultaneously from each of the plurality of electron generation sources.
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