Oxygen sensor

Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating

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G01N 2758

Patent

active

042205166

ABSTRACT:
An oxygen sensor having an oxygen-ion-conductive element made of a metal oxide with an outer electrode composed of three layers, one of which is the thinnest, second of which is the intermediate in thickness and the third of which is the thickest. This oxygen sensor maintains quick response characteristics over a long period of time.

REFERENCES:
patent: 3978006 (1976-08-01), Topp et al.
patent: 3989614 (1976-11-01), Tien
patent: 4076608 (1978-02-01), Fujishiro et al.
patent: 4101403 (1978-07-01), Kita et al.
patent: 4121988 (1978-10-01), Sano et al.
patent: 4145272 (1979-03-01), Nakamura et al.

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