GASSENSOR MIT PLANAREM SENSORELEMENT, DESSEN LÄNGSKANTEN EINE FASE AUFWEISEN ZURERHÖHUNG DER THERMOSCHOCKFESTIGKEIT
    21.
    发明公开
    GASSENSOR MIT PLANAREM SENSORELEMENT, DESSEN LÄNGSKANTEN EINE FASE AUFWEISEN ZURERHÖHUNG DER THERMOSCHOCKFESTIGKEIT 审中-公开
    气体传感器具有平面传感器元件,所述后缘具有FASE用于增加的抗热震

    公开(公告)号:EP1173753A2

    公开(公告)日:2002-01-23

    申请号:EP00952852.2

    申请日:2000-06-16

    申请人: ROBERT BOSCH GMBH

    IPC分类号: G01N27/407

    CPC分类号: G01N27/4077

    摘要: The invention relates to a sensor element, comprising a ceramic body (10) which consists of a composite layer made up of at least one ceramic film (16, 18, 35) and of a heating element (30) which is embedded in the ceramic body (10). At least the longitudinal edges of the ceramic body (10) are chamfered (40, 41). The heat source, formed by the heating element (30) is located in the direction of the bisector (49) of the angle α which is formed at the edge (46, 47) of the chamfer (40) that lies nearest to the heating element (30). The chamfer (40) is configured in such a way that the angle α, formed at the edge (46) adjacent to the longer side of the element is greater than the angle β, formed at the edge (47) adjacent to the narrower side of said element.