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    • 42. 发明申请
    • FERROMAGNETIC RESONANCE AND MEMORY EFFECT IN MAGNETIC COMPOSITE MATERIALS
    • 磁性复合材料中的磁共振和记忆效应
    • WO2011044100A2
    • 2011-04-14
    • PCT/US2010/051430
    • 2010-10-05
    • UNIVERSITY OF DELAWAREKOU, XiaomingFAN, XinZHU, HaoXIAO, John, Q.
    • KOU, XiaomingFAN, XinZHU, HaoXIAO, John, Q.
    • H01F21/00H01F1/24
    • H01F1/0081B82Y25/00G01R33/1215G01R33/123H01F13/003
    • Magnetic devices incorporating magnetic composite materials are disclosed. A tunable magnetic device includes magnetic composite material and a magnetic field source. The magnetic composite material includes an insulator and magnetic material embedded in the insulator. The magnetic material has a remanent magnetization. The magnetic field source is operable to apply a magnetic field to the magnetic composite material in order to change the remanent magnetization of the magnetic material. A magnetic device for detecting a magnetic pulse includes magnetic composite material and a sensor. The magnetic composite material includes an insulator and magnetic material embedded in the insulator. The magnetic material has a remanent magnetization. The remanent magnetization changes when the magnetic composite material receives the magnetic pulse. The sensor is positioned to determine the remanent magnetization of the magnetic material. The device detects the magnetic pulse based on a change in the remanent magnetization of the magnetic composite material.
    • 公开了包含磁性复合材料的磁性装置。 可调磁性装置包括磁性复合材料和磁场源。 磁性复合材料包括嵌入绝缘体中的绝缘体和磁性材料。 磁性材料具有剩磁。 磁场源可操作以向磁性复合材料施加磁场,以便改变磁性材料的剩余磁化强度。 用于检测磁脉冲的磁性装置包括磁性复合材料和传感器。 磁性复合材料包括嵌入绝缘体中的绝缘体和磁性材料。 磁性材料具有剩磁。 当磁性复合材料接收到磁脉冲时,剩余磁化变化。 定位传感器以确定磁性材料的剩余磁化强度。 该装置基于磁性复合材料的剩余磁化强度的变化来检测磁脉冲。
    • 47. 发明申请
    • ELECTROMAGNETIC DETECTION APPARATUS AND METHODS
    • 电磁检测装置及方法
    • WO2010132541A3
    • 2011-03-10
    • PCT/US2010034503
    • 2010-05-12
    • UNIV DELAWAREFAN XINXIAO JOHN Q
    • FAN XINXIAO JOHN Q
    • G01R29/08G01R33/02
    • G01R33/098B82Y25/00G01R33/093
    • Systems and methods for detecting electromagnetic waves are disclosed. A system for detecting such waves includes a device having a first magnetic layer having a fixed magnetization direction, a second magnetic layer having an unfixed magnetization direction responsive to the electromagnetic wave, and a barrier layer positioned between the first and second magnetic layers. The device may have an impedance dependent on a relative angle between the fixed magnetization direction and the unfixed magnetization direction. The system further has a detector configured to detect a change in the impedance indicative of the electromagnetic wave. The electromagnetic wave may be detected by positioning the device in order to detect the electromagnetic wave, determining a change in the impedance of the device, and detecting the electromagnetic wave based on the change in the impedance of the device. Characteristics of the wave such as frequency, power, and phase may also be detected.
    • 公开了用于检测电磁波的系统和方法。 用于检测这种波的系统包括具有固定磁化方向的第一磁性层的装置,具有响应于电磁波的非限定磁化方向的第二磁性层和位于第一和第二磁性层之间的阻挡层。 器件可以具有取决于固定磁化方向和非固定磁化方向之间的相对角度的阻抗。 该系统还具有检测器,其被配置为检测指示电磁波的阻抗的变化。 可以通过定位装置来检测电磁波,以便检测电磁波,确定装置的阻抗的变化,以及基于装置的阻抗的变化来检测电磁波。 还可以检测到频率,功率和相位等波的特性。