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    • 4. 发明授权
    • Magnetic MEMS sensors
    • 磁性MEMS传感器
    • US07509748B2
    • 2009-03-31
    • US11514793
    • 2006-09-01
    • Song XuePatrick RyanNurul Amin
    • Song XuePatrick RyanNurul Amin
    • G01C17/38
    • G01C17/28
    • The disclosure relates to micro-electromechanical systems (MEMS) and magnetic MEMS sensors. The sensors include a substrate having a surface, a first magnetic field detector positioned on the surface, a second magnetic field detector positioned on the surface proximate to the first magnetic field detector, and a third magnetic field detector positioned on the surface proximate to the first and second magnetic field detectors. Each of the first, second and third magnetic field detector is capable of detecting external magnetic fields that are mutually orthogonal along three directions. In certain embodiments, the magnetic MEMS sensors may be useful as electronic compasses. The disclosure also relates to fabricating a magnetic MEMS device, such as an electronic compass, from or on a single wafer, which includes multiple MEMS sensors.
    • 本公开涉及微机电系统(MEMS)和磁MEMS传感器。 传感器包括具有表面的基板,位于表面上的第一磁场检测器,位于靠近第一磁场检测器的表面上的第二磁场检测器,以及位于靠近第一磁场检测器的表面上的第三磁场检测器 和第二磁场检测器。 第一,第二和第三磁场检测器中的每一个能够检测沿着三个方向相互正交的外部磁场。 在某些实施例中,磁性MEMS传感器可用作电子罗盘。 本公开还涉及从包括多个MEMS传感器的单个晶片上或之上制造诸如电子罗盘的磁MEMS装置。
    • 6. 发明申请
    • Apparatus and method for controlling remnant magnetization in a magnetic recording head
    • 用于控制磁记录头中的残余磁化的装置和方法
    • US20060176601A1
    • 2006-08-10
    • US11054456
    • 2005-02-09
    • Nurul AminSong XuePartrick Ryan
    • Nurul AminSong XuePartrick Ryan
    • G11B5/03G11B5/17
    • G11B5/3113G11B5/1278
    • The present invention provides a magnetic writer. The magnetic writer comprises a write circuit, a write pole, a first write coil for inducing a first magnetic field in the write pole by a first current provided by the write circuit, and a second write coil for inducing a second magnetic field in the write pole by a second current provided by the write circuit. The write circuit provides a first current through the first coil and a second current through the second coil. The write circuit controls the direction of the first current and the second current so that, during writing, the first magnetic field and the second magnetic field have components perpendicular to the air bearing surface that are in the same direction. When not writing, the first magnetic field and second magnetic field have components perpendicular to the air bearing surface in opposite directions.
    • 本发明提供一种磁性写入器。 磁性写入器包括写入电路,写入极,用于通过由写入电路提供的第一电流在写入极中引起第一磁场的第一写入线圈和用于在写入中引起第二磁场的第二写入线圈 由写入电路提供的第二电流。 写入电路提供通过第一线圈的第一电流和通过第二线圈的第二电流。 写入电路控制第一电流和第二电流的方向,使得在写入期间,第一磁场和第二磁场具有垂直于空气轴承表面的分量处于相同方向的分量。 当不写时,第一磁场和第二磁场具有相反方向垂直于空气轴承表面的分量。
    • 8. 发明申请
    • MAGNETIC SWITCHES FOR SPINWAVE TRANSMISSION
    • 用于旋转传动的磁力开关
    • US20090289736A1
    • 2009-11-26
    • US12125974
    • 2008-05-23
    • Haiwen XiDadi SetiadiInsik JinYang LiSong Xue
    • Haiwen XiDadi SetiadiInsik JinYang LiSong Xue
    • H01P1/10H01H53/00
    • H01H59/0009H01H57/00
    • Spinwave transmission systems that include switching devices to direct the transmission of the spinwaves used for data transfer and processing. In one particular embodiment, a system for spinwave transmission has a first magnetic stripe configured for transmission of a spinwave and a second magnetic stripe for transmission of the spinwave, with a gap therebetween. The system includes a coupler that has a first orientation and a second orientation, where in the first orientation, no magnetic connection is made between the magnetic stripes, and in the second orientation, a connection is made between the magnetic stripes. The connection allows transmission of the spinwave from the first magnetic stripe to the second magnetic stripe. The first and second orientation may be the physical position of the coupler, moved by thermal, piezoelectric, or electrostatic forces, or, the first and second orientation may be a magnetic state of the coupler.
    • 旋转波传输系统包括用于引导用于数据传输和处理的旋转波的传输的开关装置。 在一个具体实施例中,用于旋转波传输的系统具有被配置为用于传输旋转波的第一磁条和用于传播旋转波的第二磁条,其间具有间隙。 该系统包括具有第一取向和第二取向的耦合器,其中在第一取向中,在磁条之间不形成磁连接,并且在第二取向中,在磁条之间形成连接。 该连接允许将旋转波从第一磁条传输到第二磁条。 第一和第二取向可以是耦合器的物理位置,通过热,压电或静电力移动,或者第一和第二取向可以是耦合器的磁状态。