Sensor arrangements

Details Sensor arrangements Sensor arrangements

1988-07-14

1989-09-12

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

156295, 156305, 204416, 357 25, G01N 2730, C09J 500

Patent

active

048657166

ABSTRACT:
A sensor arrangement is described in which a semi-conductor component, such as an ion-selective field-effect transistor (ISFET) is secured to a ducting component containing ducts to carry fluid towards and away from a sensitive region of the ISFET. The two components are secured together by means of a gasket formed of porous material and apertured where adhesion of the components to one another is not required. The gasket is inserted between the components and adhesive applied to an exposed portion, such as a tab, of the gasket. The adhesive is distributed by capillary action to all parts of the gasket and secures the components together without affecting those areas of the components juxtaposed with the apertured region or regions of the gasket.

REFERENCES:
patent: 3767211 (1973-10-01), Amphlett
patent: 3915829 (1975-10-01), Krebs
patent: 4514263 (1985-04-01), Janata
patent: 4671852 (1987-06-01), Pyke
patent: 4764797 (1988-08-01), Shaw et al.

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