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Apparatus for mounting a diffusion-limiting membrane for a sensor

  • US 4,933,066 A
  • Filed: 10/16/1989
  • Issued: 06/12/1990
  • Est. Priority Date: 03/31/1987
  • Status: Expired due to Term
First Claim
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1. An apparatus for mounting a diffusion-limiting membrane for a sensor comprising:

  • a pair of positioning portions on a sensor having an enzyme electrode unit, said sensor also having an enzyme-immobilized membrane, said pair of positioning portions being opposite to each other with respect to said enzyme electrode unit;

    a resilient thin plate having first and second engagement means for engagement with said pair of positioning portions, said first and second engagement means being spaced further apart than said pair of positioning portions so as to cause said resilient thin plate to be resiliently bent upon engagement of said engagement means with said positioning portions;

    said resilient thin plate having an opening formed therein in a position which is adapted to be opposite to said enzyme electrode unit; and

    said opening being covered by a diffusion-limiting membrane secured to said resilient plate.

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