Oxygen sensing element

Details Oxygen sensing element Oxygen sensing element

1979-05-04

1980-06-24

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

G01N 2758

Patent

active

042093783

ABSTRACT:
Low temperature operability of an oxygen sensing element, which comprises a solid electrolyte member composed of sintered material, and a means for providing a reference oxygen partial pressure, composed of a sintered product of a finely divided metal or metal-metal oxide mixture powder and being completely embedded within the solid electrolyte member, is improved by the incorporation of from 0.5 to 10% by weight, based on the total weight of the sintered product, of a finely divided platinum group metal powder in the sintered product of the reference oxygen partial pressure-providing means.

REFERENCES:
patent: 3576730 (1971-04-01), Spacil
patent: 4045319 (1977-08-01), Deportes et al.
patent: 4152232 (1979-05-01), Otsuka et al.
patent: 4155828 (1979-05-01), Takao et al.

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