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Electrochemical sensors having nonporous working electrode

  • US 6,908,537 B2
  • Filed: 10/22/2001
  • Issued: 06/21/2005
  • Est. Priority Date: 10/22/2001
  • Status: Expired due to Fees
First Claim
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1. An electrochemical gas sensor, comprising:

  • a substrate having a surface;

    a first electrode deposited on said surface;

    a second electrode spaced apart from said first electrode and deposited on said surface for detecting a gas;

    an electrolytic material in electrical contact with said first electrode and said second electrode for carrying a flow of current;

    said second electrode having a porosity of less than 5%, a pore size less than 0.12 micrometer at said pore size'"'"'s greatest measurement, and a thickness less than 0.2 micrometer for controlling flooding; and

    a reservoir for containing a solution to hydrate said electrolyte.

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