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Feedthrough assembly including ferrule with tapered extension(s)

  • US 10,350,422 B2
  • Filed: 05/09/2018
  • Issued: 07/16/2019
  • Est. Priority Date: 06/09/2017
  • Status: Active Grant
First Claim
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1. A feedthrough assembly comprising:

  • a ferrule including a base portion and at least one projection extending from the base portion;

    a thin film on the inner wall of the at least one projection of the ferrule configured to wet a solder during reflow;

    a capacitive filter positioned adjacent the base portion of the ferrule such that an outer wall of the capacitive filter faces an inner wall of the at least one projection of the ferrule;

    a conductive pin extending through an aperture in the ferrule and an aperture in the capacitive filter; and

    an electrically conductive material between the inner wall of the at least one projection of the ferrule and outer wall of the capacitive filter that electrically couples the ferrule and the capacitive filter to ground the capacitive filter,wherein the inner wall of the at least one projection of the ferrule and the outer wall of the capacitive filter are tapered relative to each other such that a gap between the inner wall of the at least one projection of the ferrule and the outer wall of the capacitive filter decreases moving from a top of the at least one projection to the base portion of the ferrule.

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