X-ray generator and driving method thereof
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United States of America Patent
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Oct 22, 2019
Grant Date -
Nov 30, 2017
app pub date -
Mar 15, 2017
filing date -
May 25, 2016
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Abstract
Provided is an X-ray generator including a thermal electron emission type X-ray generator configured to generate a negative high voltage and a filament current, a field electron emission type X-ray generator including an anode electrode to be grounded, and configured to use the negative high voltage to bias the cathode electrode, and a field emission current control unit configured to convert the filament current to generate an output voltage to be provided to a gate electrode of the field electron emission type X-ray generator and convert the filament current to fix, to a specific level, a level of an emission current flowing through the cathode electrode.
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