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Thermistor device

  • US 6,177,857 B1
  • Filed: 01/24/1996
  • Issued: 01/23/2001
  • Est. Priority Date: 01/26/1995
  • Status: Expired due to Term
First Claim
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1. A thermistor device comprising:

  • a thermistor body having a front surface and a back surface;

    first electrodes made from a conductive material not containing silver and located in physical contact with peripheral portions of the front and back surfaces, respectively, of said thermistor body; and

    second electrodes made from a conductive material including silver and located in physical contact with at least central portions of the front and back surfaces, respectively, of said thermistor body, wherein said second electrodes are not in physical contact with said first electrodes whereby a gap exists between said first and second electrodes;

    wherein said first electrodes prevent migration of silver from extending beyond said gap between said first and second electrodes.

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