The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 21, 1978

Filed:

Sep. 21, 1977
Applicant:
Inventors:

Hiroshi Takao, Kamakura, JP;

Kazuo Matoba, Yokosuka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
2041 / ;
Abstract

A first layer of a metal/metal oxide sinter which acts as a reference source of oxygen is affixed on a flat surface of a base member, a second layer of solid electrolyte is affixed on the first layer and a third layer of metal is affixed on the second layer so that upon exposure of the third layer to exhaust gases or the like, an EMF (electromotive force) is developed between the first and third layers.


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