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Analyte sensor and method of making the same

  • US 6,484,045 B1
  • Filed: 02/10/2000
  • Issued: 11/19/2002
  • Est. Priority Date: 02/10/2000
  • Status: Expired due to Term
First Claim
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1. A sensor produced by the method of:

  • i) providing a preformed self-supporting flexible substrate;

    ii) sequentially sputter-depositing a plurality of metal layers on the substrate, the plurality of layers including an uppermost layer;

    iii) plating a metal layer on the uppermost sputter-deposited metal layer;

    iv) etching the plated and sputter-deposited metal layers to form a sensor electrode having a proximal segment and a distal segment;

    v) sequentially plating first and second metal layers on the sensor electrode;

    vi) coating the sensor electrode with a polymeric material;

    vii) forming at least one opening in the coating; and

    viii) separating the sensor electrode and at least a portion of the substrate underlying the sensor electrode from the remainder of the substrate.

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