X-RAY TUBE ASSEMBLY
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United States of America Patent
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Issued Date -
Jul 7, 2016
app pub date -
Dec 29, 2015
filing date -
Jan 7, 2015
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status (Latency Note)
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Abstract
According to one embodiment, an X-ray tube assembly includes a cathode which emits electrons in an electron orbit direction, an anode target including a target surface with which electrons emitted from the cathode collides to generate X-rays, a vacuum envelope which contains the cathode and the anode target, and in which at least one recessed portion is formed to be recessed from the outside of the vacuum envelope in such a way as to surround the cathode, and a quadrupole magnetic-field generation portion which is provided outside the vacuum envelope, and which comprises four poles provided in the at least one recessed portion such that the cathode is located in a center of an area surrounded by the four poles.
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