Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masahiro Shibata0
Tomio Sugiyama0
Syuichi Nakano0
Hiromi Sano0
Date of Patent
November 2, 2010
0Patent Application Number
090987300
Date Filed
June 18, 1998
0Patent Primary Examiner
Patent abstract
A multilayered air-fuel ratio sensor consists of a plurality of substrate layers. At least one heterogeneous boundary layer is interposed between the plurality of substrate layers. The heterogeneous boundary layer has a thickness in a range of 10 to 100 μm. The heterogeneous boundary layer absorbs thermal shocks or any other stresses acting on the substrate layers and stops the growth of cracks.
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