Oxygen sensor

Details Oxygen sensor Oxygen sensor

1985-05-02

1986-12-02

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204427, G01N 2746

Patent

active

046263373

ABSTRACT:
The oxygen sensor has a solid electrolytic element made of an oxygen ion-conducting metal oxide. This element is formed in a cup shape, closed at one end and opened at its other end. The outer peripheral surface of the element is exposed to exhaust gas, and the inner peripheral surface of the element is exposed to the atmosphere. A first electrode is fixed to the outer peripheral surface of the element, and a second electrode is fixed to the inner peripheral surface of the element. An electrically insulating layer is formed on the outer peripheral surface of the element except where the first electrode is disposed. A metal lead of thin film, connected to the first electrode, is formed on the insulating layer. Further, a retaining lead connected to the first electrode is formed on the metal lead. This retaining lead is formed by densely sintering a conductive material and a binding material.

REFERENCES:
patent: 4121988 (1978-10-01), Sano et al.
patent: 4476008 (1984-10-01), Sano et al.

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