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    • 4. 发明授权
    • Electromagnetic piezoelectric acoustic sensor
    • 电磁压电声传感器
    • US07207222B2
    • 2007-04-24
    • US10488356
    • 2002-08-28
    • Michael ThompsonScott Ballantyne
    • Michael ThompsonScott Ballantyne
    • G01N29/00G01N29/04G08B3/02
    • G01N29/036G01N33/54373G01N2291/0256G01N2291/0257
    • The invention relates to an electromagnetic piezoelectric acoustic sensor (EMPAS). The sensor comprises a piezoelectric sensor plate spaced apart from an induced dynamic electromagnetic field, such as from an electromagnetic coil through which AC current flows. The electromagnetic field induces vibration in the sensor plate by fluctuating the aligned dipole moments of the piezoelectric material. Changes on the surface of the sensor plate can be detected by variation in resonance frequency of the sensor plate. The invention represents an improvement over conventional sensor methodologies in that no metallization of the sensor surface is required, and no permanent magnet is needed. The sensor may be used to detect absorption of molecules or biomolecular interactions between probe and target molecules.
    • 本发明涉及一种电磁压电声传感器(EMPAS)。 传感器包括与感应动态电磁场隔开的压电传感器板,例如来自电流线圈的电流线圈。 电磁场通过使压电材料的对准偶极矩波动来感应传感器板中的振动。 可以通过传感器板的共振频率的变化来检测传感器板表面的变化。 本发明代表了传统传感器方法的改进,因为不需要传感器表面的金属化,并且不需要永久磁体。 传感器可用于检测分子的吸收或探针和靶分子之间的生物分子相互作用。
    • 5. 发明申请
    • ELECTROMAGNETIC PIEZOELECTRIC ACOUSTIC SENSOR
    • 电磁压电声学传感器
    • US20080163689A1
    • 2008-07-10
    • US11738861
    • 2007-04-23
    • Michael ThompsonScott Ballantyne
    • Michael ThompsonScott Ballantyne
    • G01N29/00
    • G01N29/036G01N33/54373G01N2291/0257
    • The invention relates to an electromagnetic piezoelectric acoustic sensor (EMPAS). The sensor comprises a piezoelectric sensor plate spaced apart from an induced dynamic electromagnetic field, such as from an electromagnetic coil through which AC current flows. The electromagnetic field induces vibration in the sensor plate by fluctuating the aligned dipole moments of the piezoelectric material. Changes on the surface of the sensor plate can be detected by variation in resonance frequency of the sensor plate. The invention represents an improvement over conventional sensor methodologies in that no metallization of the sensor surface is required, and no permanent magnet is needed. The sensor may be used to detect absorption of molecules or biomolecular interactions between probe and target molecules.
    • 本发明涉及一种电磁压电声传感器(EMPAS)。 传感器包括与感应动态电磁场隔开的压电传感器板,例如来自电流线圈的电流线圈。 电磁场通过使压电材料的对准偶极矩波动来感应传感器板中的振动。 可以通过传感器板的共振频率的变化来检测传感器板表面的变化。 本发明代表了传统传感器方法的改进,因为不需要传感器表面的金属化,并且不需要永久磁体。 传感器可用于检测分子的吸收或探针和靶分子之间的生物分子相互作用。
    • 6. 发明申请
    • Electromagnetic piezoelectric acoustic sensor
    • 电磁压电声传感器
    • US20050082944A1
    • 2005-04-21
    • US10488356
    • 2002-08-28
    • Michael ThompsonScott Ballantyne
    • Michael ThompsonScott Ballantyne
    • G01N27/00G01N33/543H04R17/00H01L41/107
    • G01N29/036G01N33/54373G01N2291/0256G01N2291/0257
    • The invention relates to an electromagnetic piezoelectric acoustic sensor (EMPAS). The sensor comprises a piezoelectric sensor plate spaced apart from an induced dynamic electromagnetic field, such as from an electromagnetic coil through which AC current flows. The electromagnetic field induces vibration in the sensor plate by fluctuating the aligned dipole moments of the piezoelectric material. Changes on the surface of the sensor plate can be detected by variation in resonance frequency of the sensor plate. The invention represents an improvement over conventional sensor methodologies in that no metallization of the sensor surface is required, and no permanent magnet is needed. The sensor may be used to detect absorption of molecules or biomolecular interactions between probe and target molecules.
    • 本发明涉及一种电磁压电声传感器(EMPAS)。 传感器包括与感应动态电磁场隔开的压电传感器板,例如来自电流线圈的电流线圈。 电磁场通过使压电材料的对准偶极矩波动来感应传感器板中的振动。 可以通过传感器板的共振频率的变化来检测传感器板表面的变化。 本发明代表了传统传感器方法的改进,因为不需要传感器表面的金属化,并且不需要永久磁体。 传感器可用于检测分子的吸收或探针和靶分子之间的生物分子相互作用。