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    • 2. 发明授权
    • Capacitative-type humidity sensing element and system, and method of
manufacture
    • 电容式湿度传感元件及系统及其制造方法
    • US4752855A
    • 1988-06-21
    • US26866
    • 1987-03-17
    • Horst FedterWerner GrunwaldPeter NoltingClaudio De La PrietaKurt Schmid
    • Horst FedterWerner GrunwaldPeter NoltingClaudio De La PrietaKurt Schmid
    • G01N27/22H01G5/00
    • G01N27/225
    • A humidity sensor, and particularly a sensor which can distinguish between low humidity values, for example below 60% humidity, and high humidity values, for example 90% humidity and thereover, and change the capacitance between output electrodes (5, 6) is formed by applying interdigited comb electrodes (1, 2) on a substrate (8) and applying over the substrate a ceramic mass formed of BaRuO.sub.3, V.sub.2 O.sub.5 and Na.sub.2 WO.sub.4, with a weight relationship of (1.+-.0.4):(1.+-.0.4):(0.6.+-.0.2) preferably 1:1:0.6. The sensor is made by first making a powder of the components, mixing it with a glass paste and, if necessary, a thinner, and applying the resulting paste by thick-film technology to a ceramic substrate on which the electrodes have been applied, and then firing the substrate at a temperature of between 550.degree. C. to 850.degree. C. The sensor is particularly sensitive in humidity ranges above 60% relative humidity and is especially suitable to sense fogging of the inside of a windshield of an automotive vehicle.
    • 湿度传感器,特别是可以区分低湿度值(例如低于60%湿度)和高湿度值(例如90%湿度等)并且改变输出电极(5,6)之间的电容的传感器 通过在衬底(8)上施加互扣梳状电极(1,2)并在衬底上施加由BaRuO 3,V 2 O 5和Na 2 WO 4形成的陶瓷块,其重量关系为(1 +/- 0.4):( 1 +/- 0.4):(0.6 +/- 0.2),优选1:1:0.6。 传感器通过首先制造组分的粉末,将其与玻璃浆料混合,并且如果需要的话更薄,并且通过厚膜技术将所得糊料施加到已经施加电极的陶瓷基板上,以及 然后在550℃至850℃的温度下烧制该基底。该传感器在高于60%相对湿度的湿度范围内特别敏感,特别适用于感测机动车辆挡风玻璃内部的起雾。
    • 3. 发明授权
    • Thermal radiation sensor
    • 热辐射传感器
    • US5010315A
    • 1991-04-23
    • US425166
    • 1989-08-18
    • Horst FedterWerner GrunwaldPeter NoltingClaudio de la PrietaKurt Schmid
    • Horst FedterWerner GrunwaldPeter NoltingClaudio de la PrietaKurt Schmid
    • G01J5/20
    • G01J5/20
    • A thermal radiation sensor is suggested which comprises two receiver surfaces exposed to the radiation, one receiver surface (1) having a high absorption capacity with respect to the thermal radiation, the other (2) having a low absorption capacity, the two receiver surfaces (1) and (2) consist of a NTC resistance material and are combined in a bridge circuit together with two temperature-independent cermet resistors (3) and (4). In order to prevent a dependency of the measurements of such a sensor on the ambient temperature, the NTC resistors (1) and (2) comprise underlying heating layers (6) and (7) which keep the two NTC resistors at a constant temperature. Insulating layers (8) and (9) are provided between the NTC resistors (1) and (2) and the heating layers (6) and (7). The heating layers (6) and (7) consist of a cermet thick film with platinum or of a platinum thick film and have the shape of a meander. The insulating layers (8) and ( 9) preferably consist of a crystallizing glass.
    • PCT No.PCT / DE88 / 00134 Sec。 371日期1989年8月18日 102(e)日期1989年8月18日PCT提交1988年3月10日PCT公布。 出版物WO88 / 07180 日期:1988年9月22日。提出了一种热辐射传感器,其包括暴露于辐射的两个接收器表面,一个接收器表面(1)相对于热辐射具有高吸收能力,另一个(2)具有低吸收 两个接收器表面(1)和(2)由NTC电阻材料组成,并与两个不依赖于温度的金属陶瓷电阻器(3)和(4)组合在桥接电路中。 为了防止这种传感器对环境温度的测量的依赖性,NTC电阻器(1)和(2)包括将两个NTC电阻器保持在恒定温度的下面的加热层(6)和(7)。 绝缘层(8)和(9)设置在NTC电阻器(1)和(2)与加热层(6)和(7)之间。 加热层(6)和(7)由具有铂或铂厚膜的金属陶瓷厚膜组成并且具有曲折形状。 绝缘层(8)和(9)优选由结晶玻璃构成。
    • 4. 发明授权
    • Heat radiation sensing device
    • 散热检​​测装置
    • US4770541A
    • 1988-09-13
    • US41139
    • 1987-04-14
    • Horst FedterWerner GrunwaldPeter NoltingClaudio de la PrietaKurt Schmid
    • Horst FedterWerner GrunwaldPeter NoltingClaudio de la PrietaKurt Schmid
    • G01J5/20G01J5/10G01K17/06
    • G01J5/20
    • A heat radiation sensing device is provided, which comprises two receiver surfaces which are exposed to the radiation, one of which comprises a high absorption ability with respect to the heat radiation by means of a black coloring, while the other has a low absorption ability by means of a covering which reflects the heat radiation. These two receiver surfaces consist of NTC resistor material and are combined to form a bridge circuit with two cermet resistors which are independent of temperature. The four resistors are applied to a ceramic substrate and are connected with conductor path which, in turn, end in the four required connections. The ceramic substrate is fixed in a frame which carries a covering which is pervious to heat radiation to a great degree and which, in turn, carries a layer having a window over one of the two NTC resistors the layer is made of a material which reflects the heat radiation to a great degree.
    • PCT No.PCT / DE86 / 00402 Sec。 371日期1987年4月14日 102(e)日期1987年4月14日PCT申请日1986年10月3日PCT公布。 第WO87 / 02456号公报 日本1987年4月23日。提供了一种散热检测装置,其包括暴露于辐射的两个接收器表面,其中之一包括通过黑色着色而相对于热辐射的高吸收能力,而 另一种通过反射热辐射的覆盖物具有低吸收能力。 这两个接收器表面由NTC电阻器材料组成,并且组合形成具有独立于温度的两个金属陶瓷电阻器的桥接电路。 四个电阻器被施加到陶瓷基板并且与导体路径连接,导体路径又在四个所需的连接中结束。 陶瓷基板被固定在一个框架中,该框架承载了能够很大程度地透过热辐射的覆盖物,而该覆盖物又带有一层具有两个NTC电阻之一上的窗口的层,该层由反射 热辐射在很大程度上。
    • 9. 发明授权
    • Sensor element for limiting current sensors to determine the lambda
value of gas mixtures
    • 用于限制电流传感器以确定气体混合物的λ值的传感器元件
    • US5310472A
    • 1994-05-10
    • US700141
    • 1991-05-16
    • Hermann DietzWerner GrunwaldClaudio de la Prieta
    • Hermann DietzWerner GrunwaldClaudio de la Prieta
    • G01N27/41F02D41/14G01N27/406G01N27/407G01N27/416G01N27/419
    • G01N27/4071G01N27/4072
    • Sensor element for limiting current sensors to determine the lambda value of gas mixtures, in particular of exhaust gases of internal combustion engines, having inner and outer pump electrodes disposed on a ceramic substrate, the inner pump electrode of which is accessible for the measurement gas supplied through a diffusion layer acting as a diffusion barrier; having a gas-tight cover layer above the diffusion layer and having conductor tracks for the pump electrodes is described, in which the diffusion layer is adjustable, to calibrate the sensor element. This adjustability is advantageously attained by embodying the side of the diffusion layer 5 oriented toward the measurement gas inlet opening as a zigzag-shaped adjustment zone 8, from which parts can be separated mechanically or by laser cuts. The invention makes comparatively simple calibration of sensor elements possible.
    • PCT No.PCT / DE89 / 00731 Sec。 371日期1991年5月16日 102(e)日期1991年5月16日PCT提交1989年11月17日PCT公布。 公开号WO90 / 06506 日期1990年6月14日。用于限制电流传感器以确定气体混合物,特别是内燃机废气的λ值的传感器元件,其具有设置在陶瓷基板上的内部和外部泵电极,其内部泵浦电极 可用于通过作为扩散阻挡层的扩散层供应的测量气体; 描述了在扩散层上方具有气密性覆盖层并且具有用于泵电极的导体轨迹,其中扩散层是可调节的,以校准传感器元件。 有利地通过将扩散层5的朝向测量气体入口开口的侧面作为锯齿形调整区8来实现,这可以通过机械方式或通过激光切割来分离这些部分。 本发明使得传感器元件的相对简单的校准成为可能。