Sensor packaging having an integral electrode plug member

Details Sensor packaging having an integral electrode plug member Sensor packaging having an integral electrode plug member

1998-05-06

2000-09-12

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

422 8203, G01N 2726

Patent

active

061172928

ABSTRACT:
A chemical sensor apparatus and method of making same is disclosed in which an ion sensitive silicon die is sandwiched between an elastomeric media seal and a conductive elastomeric pad contained within a housing. The conductive elastomeric pad contacts a printed circuit board (PCB) which leads from the housing. The die, elastomers and PCB are secured by a press-fit electrically conductive plug, which contacts and makes an electrical connection with the PCB. The plug functions as a counter electrode for the apparatus as well as a mechanical lock that seals the principal components of the apparatus within the housing in a substantially flush hermetic seal.

REFERENCES:
patent: 4449011 (1984-05-01), Kratochvil et al
patent: 5068205 (1991-11-01), Baxter et al.
patent: 5184107 (1993-02-01), Maurer
patent: 5833824 (1998-11-01), Benton
PCT, International Search Report, European Patent Office, Sep. 8, 1999, PCT/US99/09500.

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