发明申请
US20110081276A1 PARTICULATE SENSING ELEMENT AND PARTICULATE SENSOR HAVING THE PARTICULATE SENSING ELEMENT 审中-公开
颗粒感应元件和具有颗粒感应元件的颗粒传感器

PARTICULATE SENSING ELEMENT AND PARTICULATE SENSOR HAVING THE PARTICULATE SENSING ELEMENT
摘要:
A particulate sensing element that detects a concentration of electrically conductive particulates PM in a gas to be measured includes a sensing portion exposed to the gas to be measured in which a pair of sensing electrodes that face each other formed with a predetermined gap therebetween on a surface of an electrically insulating heat resistant base plate, and a heating element that heats the sensing portion to a predetermined temperature, wherein a catalyst layer that can oxidize the electrically conductive particulates PM is formed at least on a part of a portion except the sensing portion exposed to the gas to be measured.
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