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Thermocouple shield

  • US 7,621,672 B2
  • Filed: 03/19/2007
  • Issued: 11/24/2009
  • Est. Priority Date: 03/19/2007
  • Status: Active Grant
First Claim
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1. A thermocouple shield for shielding a thermocouple device from a radio frequency field at an operating temperature “

  • T,”

    the thermocouple device having a maximum width “

    W” and

    having a thermocouple junction with a length “

    L,”

    the thermocouple shield comprising;

    an electrically conductive tube having at least minimal structural integrity at the temperature “

    T,”

    the electrically conductive tube having—

    a substantially cylindrically-shaped section and a closed end and an open end, the cylindrically-shaped section having an outside diameter greater than approximately two times “

    W,” and

    an un-insulated bore with a bore diameter not less than approximately “

    W” and

    with a bore length greater than approximately two times “

    L.”

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