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ELECTRODE ARRANGEMENTS FOR BIOSENSORS

  • US 20110186428A1
  • Filed: 01/29/2010
  • Published: 08/04/2011
  • Est. Priority Date: 01/29/2010
  • Status: Abandoned Application
First Claim
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1. A biosensor, comprising:

  • a support substrate extending between opposite first and second ends and opposite first and second edges;

    a spacer substrate positioned on the support substrate, the spacer substrate including an inner edge extending along the support substrate between one or both of the first and second ends and the first and second edges;

    a cover cooperating with the spacer substrate, the inner edge of the spacer substrate defining a boundary of a capillary channel; and

    at least one working electrode in the capillary channel, and the working electrode including a width and a main body portion extending along a length transversely to the width between opposite ends of the main body portion, the main body portion including at least two working electrode portions positioned along the length of the main body portion in the capillary channel with the at least two working electrode portions connected by at least one connecting portion, the working electrode further including at least one connective neck extending from at least one of the opposite ends of the main body portion and across the inner edge of the spacer substrate, wherein the two working electrode portions each define a minimum width that is greater than a maximum width of the connective neck, and the connecting portion defines a maximum width that is less than a minimum width of the connective neck.

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