RF window including a prestressing ring that surrounds the periphery of a dielectric disc and applies a radial stress to the dielectric disc
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United States of America Patent
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Sep 25, 2018
Grant Date -
May 11, 2017
app pub date -
Oct 28, 2016
filing date -
Nov 6, 2015
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Abstract
An RF frequency window comprises a dielectric disc, a main metal skirt brazed all the way around the periphery of the dielectric disc and a surrounding prestressing ring in contact with the main metal skirt around the periphery of the dielectric disc and applying, in the rest state, over the whole of the periphery of the dielectric disc, a radial compressive stress directed towards the center of the dielectric disc, the prestressing ring comprising a set of at least one cooling channel in the longitudinal direction of the prestressing ring.
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