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Fluid sensor including an error detection device

  • US 7,360,392 B2
  • Filed: 03/07/2007
  • Issued: 04/22/2008
  • Est. Priority Date: 03/09/2006
  • Status: Active Grant
First Claim
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1. A fluid sensor for detecting fluid media, comprising:

  • a sensor chip having a chip surface which can be exposed to the fluid medium, the chip surface having a measuring surface and a body surface, and having printed conductors of a central sensor circuit having at least one heating element and at least one temperature sensor situated on the measuring surface;

    at least one fracture detection element situated on the sensor chip; and

    a fracture detection circuit for detecting at least one of (a) fractures and (b) cracks, in and/or on the sensor chip.

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