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METHOD AND APPARATUS FOR RADIATION EFFECTS DETECTION

  • US 20110166449A1
  • Filed: 03/09/2011
  • Published: 07/07/2011
  • Est. Priority Date: 01/30/2008
  • Status: Active Grant
First Claim
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1. An implantable medical apparatus comprising:

  • a solid state electronic circuit;

    an accumulated ionizing radiation exposure sensor configured to;

    detect an exposure of the solid state electronic circuit to ionizing radiation; and

    generate an indication of a non-single-event-upset (non-SEU) effect to the solid state electronic circuit from the exposure to ionizing radiation;

    an ionizing radiation dose rate sensor configured to detect an exposure of the solid state circuit to flux ionizing radiation; and

    a controller circuit communicatively coupled to the accumulated ionizing radiation exposure sensor and the ionizing radiation dose rate sensor, wherein the controller circuit is configured to adjust the indication from the accumulated ionizing radiation exposure sensor when the radiation dose rate sensor indicates that flux ionizing radiation exceeds a flux ionizing radiation threshold.

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