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.
Patent No.:
Date of Patent:
Jan. 10, 1989
Filed:
Mar. 22, 1988
Syunzo Mase, Tobishima, JP;
Shigeo Soejima, Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
An electrochemical element including a planar solid electrolyte body, and at least pair of electrodes including a first electrode and a second electrode which are disposed on the planar solid electrolyte body. The element has a thin flat space which has a predetermined diffusion resistance to a measurement gas and which communicates with an external space in which the measurement gas exists. The first electrode is disposed so that it is substantially exposed to the measurement gas in the thin flat space. The element includes a bridging member which is interposed between two opposed flat surfaces which partially define the thin flat space. The bridging member substantially determines the thickness of the thin flat space. The bridging member is formed by firing a mixture consisting of a filler material which disappears upon firing thereof, and ceramic grains which are fired into the bridging member. The mixture is applied in the form of a layer so as to occupy at least a portion of the thin flat space to be formed.