X-RAY SOURCE WITH MULTIPLE GRIDS
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United States of America Patent
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Issued Date -
Nov 9, 2023
app pub date -
Jun 30, 2023
filing date -
Jun 30, 2020
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Abstract
Some embodiments include an x-ray source, comprising: an anode; a field emitter configured to generate an electron beam; a first grid configured to control field emission from the field emitter; a second grid disposed between the first grid and the anode; a third grid disposed between the first grid and the anode; and a middle electrode disposed between the first grid and the anode wherein the second grid is either disposed between the first grid and middle electrode or between the middle electrode and the anode; wherein the third grid is a mesh grid.
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