会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 26. 发明授权
    • Electric field applying magnetic recording method and magnetic recording system
    • 电场施加磁记录方法和磁记录系统
    • US07864473B2
    • 2011-01-04
    • US11829125
    • 2007-07-27
    • Susumu OgawaHiromasa Takahashi
    • Susumu OgawaHiromasa Takahashi
    • G11B5/147
    • G11B11/002B82Y10/00G11B5/66G11B5/82G11B9/1418G11B11/26G11B2005/001
    • A method for writing information on a highly coercive recording medium stably with an electric field applied through a metal probe and with a magnetic field applied from external and an information recording system that employs the method. The recording medium includes a substrate, a first ferromagnetic layer formed on the substrate, a nonmagnetic layer formed on the first ferromagnetic layer, and a second ferromagnetic layer formed on the nonmagnetic layer. The coercivity Hc2 of the second ferromagnetic layer is larger than that Hc1 of the first ferromagnetic layer. A magnetic field H is applied to the magnetic recording medium from a magnetic pole to change the magnetizing direction of the first ferromagnetic layer to a direction of the applied magnetic field, then a positive or negative voltage V is applied between the metal probe and the magnetic recording medium to change the quantum well level energy between the first and second ferromagnetic layers, thereby inducing an exchange magnetic field HE. As a result, the magnetizing direction of the second ferromagnetic layer is changed with both the exchange magnetic field HE and the magnetic field H.
    • 一种用于通过金属探针施加的电场和从外部施加的磁场和使用该方法的信息记录系统稳定地在高度矫顽记录介质上写信息的方法。 记录介质包括基板,形成在基板上的第一铁磁层,形成在第一铁磁层上的非磁性层和形成在非磁性层上的第二铁磁层。 第二铁磁层的矫顽力Hc2大于第一铁磁层的Hc1。 将磁场H从磁极施加到磁记录介质,以将第一铁磁层的磁化方向改变到所施加的磁场的方向,然后在金属探针和磁体之间施加正或负电压V 记录介质,以改变第一和第二铁磁层之间的量子阱能级能量,从而引起交换磁场HE。 结果,第二铁磁层的磁化方向随着交换磁场HE和磁场H而变化。