Rotary target driven by cooling fluid flow for medical linac and intense beam linac
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United States of America Patent
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May 26, 1998
Grant Date -
N/A
app pub date -
Apr 18, 1997
filing date -
Apr 18, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A linear accelerator x-ray target assembly including an electron beam which contacts an x-ray target and generates x-rays. The target is mounted such that it can rotate freely about its axis. The target has a contoured axially outer edge. Fluid flow impinging the contoured axially outer edge of the target acts to impart rotary motion on the target. The fluid flow helps to dissipate heat from the target in two ways. Firstly, heat is transferred to a cooling fluid as the cooling fluid passes over the target. Secondly, the rotation of the target helps to dissipate heat from the target by distributing the electron beam contact point around the target instead of having the electron beam impact continuously on one spot on the target.
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