OXYGEN SENSOR HAVING POROUS CERAMIC COATING LAYER FORMED THEREON AND METHOD FOR FORMING POROUS CERAMIC COATING LAYER

摘要

The present invention relates to an oxygen sensor including a porous ceramic coating layer and a method of forming a porous ceramic coating layer. More particularly, the present invention relates to an oxygen sensor including a porous ceramic coating layer formed on the surface of a sensing part of the oxygen sensor by plasma-coating the sensing part with ceramic powder having a predetermined particle size, and a method of forming a porous ceramic coating layer.