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Biosensors

  • US 20050247573A1
  • Filed: 03/22/2005
  • Published: 11/10/2005
  • Est. Priority Date: 03/23/2004
  • Status: Abandoned Application
First Claim
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1. A biosensor comprising:

  • an electrically insulating substrate;

    an electrically insulating cover connected to the substrate via a spacer layer;

    a reaction-detecting section comprising at least one set of electrodes, and an external terminal to be connected to the reaction-detecting section, both of which are formed on the substrate at a region between the substrate and cover; and

    a sealed sample-feeding path defined by the spacer layer between the substrate and cover, wherein the sample-feeding path comprises a portion that intersects the electrodes, a cutting plane line is provided at an outermost surface of the substrate or cover, and is bordered by a sensor portion comprising the electrodes and a sealed cap portion which does not comprise the electrodes, the cutting plane line exists at a position where, when the sealed cap portion is cut along the cutting plane line, the cut surface does not cross the electrodes, and the cut surface crosses the sample-feeding path so that a sample-inlet port and air-discharge port from the sample-feeding path are exposed through the cut surface.

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