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Magnetic sensor with a chip attached to a lead assembly within a cavity at the sensor's sensing face

  • US 5,912,556 A
  • Filed: 11/06/1996
  • Issued: 06/15/1999
  • Est. Priority Date: 11/06/1996
  • Status: Expired due to Term
First Claim
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1. A geartooth sensor, comprising:

  • a lead assembly, said lead assembly being made of ferromagnetic material;

    a bias magnet, a pole face of said magnet being disposed adjacent said lead assembly;

    a carrier formed from an electrically insulative material, said lead assembly and said magnet being at least partially encapsulated and immobile within said carrier, said carrier being shaped to form a cavity proximate an unencapsulated portion of said lead assembly, said unencapsulated portion of said lead assembly being exposed within said cavity; and

    a magnetically sensitive component biased by said magnet and disposed within said cavity and connected in electrical communication with at least one of a plurality of individual leads of said lead assembly.

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