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Pressure sensor diaphragm with overpressure protection

  • US 10,203,258 B2
  • Filed: 09/26/2016
  • Issued: 02/12/2019
  • Est. Priority Date: 09/26/2016
  • Status: Active Grant
First Claim
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1. A pressure sensor comprising:

  • a base having at least one high-pressure contact portion;

    a diaphragm positioned over the base and having an external top surface facing away from the base and internal surfaces facing the base, the internal surfaces comprising a raised perimeter surrounding an interior, a raised central boss within the interior, and a raised boss arm contiguous with and extending from the raised perimeter toward the interior;

    wherein at least one of the raised boss arm and raised central boss are aligned with and contact a high-pressure contact portion of the base during an over-pressure event.

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