Oxygen sensor

Details Oxygen sensor Oxygen sensor

1977-11-28

1979-08-14

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

G01N 2758

Patent

active

041644620

ABSTRACT:
A protective layer of zirconia particles having particle sizes of 0.5-5 .mu.M is provided on a surface of an electron-conducting layer of an oxygen sensor at a side of a gas whose oxygen concentration is to be detected to a thickness of 4-100 .mu.M by bonding zirconia particles to one another and the first electron-conducting layer by 10-30% by weight of a high melting point adhesive, such as powders of borosilicate glass, based on total weight of the zirconia particles.

REFERENCES:
patent: 3843400 (1974-10-01), Radford et al.
patent: 3978006 (1976-08-01), Topp et al.
patent: 4021326 (1977-05-01), Pollner et al.
patent: 4080276 (1978-03-01), Bode
Heinrich Dueker et al., Paper 750223, Soc. of Automotive Eng., Automotive Eng. Cong. & Exp., Feb. 24-28, 1975.

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