Solid pole oxygen sensor

Details Solid pole oxygen sensor Solid pole oxygen sensor

1979-12-14

1981-12-08

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

G01N 2758

Patent

active

043046517

ABSTRACT:
A solid pole oxygen sensor having a solid pole, in which one end of a lead wire of platinum or platinum rhodium is buried, tightly covered by a solid electrolyte and pressure-molded into a circular plate, which is dried and then fired in a reducing atmosphere. The surface of a sintered mass thus obtained is plated or baked to form a platinum electrode, and the oxygen sensor element thus obtained is secured by a bonding agent to the tip of a cylindrical ceramic insulator having electroconductive zones to be connected to the platinum electrode in such a manner that the circular face of the circular plate-shaped oxygen sensor element is in contact with the tip surface of the cylindrical ceramic insulator.

REFERENCES:
patent: 3334039 (1967-08-01), Vlasak
patent: 3642599 (1972-02-01), Franz
patent: 3719574 (1973-03-01), Richardson
patent: 3785948 (1974-01-01), Hitchman et al.
patent: 3871981 (1975-03-01), Flais et al.
patent: 3883408 (1975-05-01), Kim et al.
patent: 3915830 (1975-10-01), Isenberg
patent: 4035277 (1977-07-01), Hennessy et al.
patent: 4045319 (1977-08-01), Deportes et al.
patent: 4128469 (1978-12-01), Rohr et al.
patent: 4177125 (1979-12-01), Barnabe
patent: 4208265 (1980-06-01), Hori et al.
patent: 4209378 (1980-06-01), Schinohara et al.

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