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Biometric sensor and method for its production

  • US 20010012201A1
  • Filed: 01/16/2001
  • Published: 08/09/2001
  • Est. Priority Date: 07/14/1998
  • Status: Active Grant
First Claim
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1. A biometric sensor, comprising:

  • a housing;

    connecting leads disposed one of on and in said housing;

    a sensor chip disposed in said housing, said sensor chip having a top, a field sensor, and connecting contacts in a form of electrically conductive bumps, said electrically conductive bumps making contact with said connecting leads and having a given height;

    a scratch protection covering disposed on said top of said sensor chip; and

    an adhesive layer disposed between said scratch protection covering and said housing, said adhesive layer disposed at least around said sensor field, said adhesive layer having a thickness matched to said given height of said electrically conductive bumps creating a leak-tight connection between said sensor chip and housing.

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