Planar sensor for determining a chemical parameter of a sample

Details Planar sensor for determining a chemical parameter of a sample Planar sensor for determining a chemical parameter of a sample

1995-09-14

1997-11-04

Gorgos, Kathryn L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

427 231, 427243, 204282, G01N 2726

Patent

active

056835620

ABSTRACT:
A planar sensor for determining a chemical parameter of a sample, includes a substrate whose surface is at least partly plane and is provided with at least one potentiometric or amperometric and, possibly, an optical transducer, and one or more biochemical components. The transducer and the biochemical component are provided on the surface of the substrate, or at least part of the surface, as a sensor spot, and a cover membrane surrounding this sensor spot, is heat welded to the surface of the substrate. Those sensor spots that include a potentiometric or amperometric transducer are in contact with a strip conductor attached to the plane surface of the substrate and the thermal seal of the cover membrane is interrupted where the conducting strips lead away from the sensor spots.

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