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    • 2. 发明授权
    • Steered-electron electric-field (SEEF) sensor program
    • 转向电子电场(SEEF)传感器程序
    • US09182454B1
    • 2015-11-10
    • US13468801
    • 2012-05-10
    • Kirt Reed WilliamsScott LimbDirk De Bruyker
    • Kirt Reed WilliamsScott LimbDirk De Bruyker
    • G01R33/02G01R1/04G01R15/26
    • H01J23/09G01R33/0213
    • Improved electric field (steered-electron electric-field, or SEEF) sensors and methods of manufacturing the same are provided. The SEEF sensors described herein may have increased sensitivity to low-frequency electric fields while being smaller than previously known sensors, and may allow for low-power electric field detection. The invention described herein allows for sensitive, long-term electric field monitoring for applications ranging from personnel detection to underground facility monitoring, as well as extraordinarily small vector sensing (full Poynting vector) for compact direction-finding of emitters of interest. Exemplary electric field sensors may accurately sense, measure, characterize and/or transmit electric field data over a wide frequency range. Importantly, such sensing, measuring, and/or characterizing do not require any physical or resistive contact between the sensor and a source of an electric field.
    • 提供改进的电场(转向电子电场或SEEF)传感器及其制造方法。 本文所述的SEEF传感器可能具有对低频电场的增加的灵敏度,同时小于先前已知的传感器,并且可以允许低功率电场检测。 本文所述的发明允许对从人员检测到地下设备监测的应用的敏感的长期电场监测以及用于紧凑的感兴趣的发射器的方向寻找的非常小的矢量感测(全坡普廷矢量)。 示例性电场传感器可以在宽的频率范围内精确地感测,测量,表征和/或传输电场数据。 重要的是,这种感测,测量和/或表征不需要传感器和电场源之间的任何物理或电阻接触。
    • 10. 发明授权
    • Thermal sensing with bridge circuitry
    • 具有桥接电路的热感测
    • US07833800B2
    • 2010-11-16
    • US11167612
    • 2005-06-27
    • Alan BellRichard H. BruceEric PeetersMichal V. WolkinDirk De Bruyker
    • Alan BellRichard H. BruceEric PeetersMichal V. WolkinDirk De Bruyker
    • G01N33/00
    • G01K7/30G01K17/00G01N25/482
    • Thermal sensing devices can include two subsets of thermal sensors connected in a bridge by circuitry on the same support layer or surface with the sensors. Each thermal sensor can be formed in a patterned layer of semiconductor material, and the bridge circuitry can include leads formed in a patterned layer of conductive material, over or under the semiconductor layer. In one implementation, the bridge circuitry includes conductive portions that extend across and electrically contact the lower surface of each sensor's semiconductor slab. The bridge circuitry can also include pads that can be electrically contacted, such as by pogo pins. The device's reaction surface can be spaced apart from or over the thermal sensors. The device's components can be shaped and positioned so that the bridge's offset voltage is below the sensitivity level required for an application, such as by left-right symmetry about an axis.
    • 热感测装置可以包括通过与传感器相同的支撑层或表面上的电路在桥中连接的两个热传感器子集。 每个热传感器可以形成在半导体材料的图案化层中,并且桥接电路可以包括形成在导电材料的图案化层中的引线,在半导体层之上或之下。 在一个实施方式中,桥接电路包括导电部分,其延伸并且电接触每个传感器的半导体板的下表面。 桥接电路还可以包括可以电接触的焊盘,例如通过弹簧销。 设备的反应表面可以与热传感器间隔开或超过热传感器。 该装置的部件可以被成形和定位,使得桥的偏移电压低于应用所需的灵敏度水平,例如通过关于轴的左右对称。