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公开(公告)号：US12153012B2
公开(公告)日：2024-11-26
申请号：US17370175
申请日：2021-07-08
Applicant: NGK INSULATORS, LTD.
Inventor： Megumi Fujisaki , Mika Takeuchi , Takahiro Tomita
IPC: G01N27/407 , G01N27/409 , G01N27/416
Abstract: A gas sensor has a porous protective layer disposed on a surface of a sensor element. In this gas sensor, the porous protective layer includes ceramic particles and ceramic fibers. Further, the ceramic fibers are present in the porous protective layer over a range from a front surface to a back surface thereof.
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