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    • 7. 发明授权
    • Magnetic millipede for ultra high density magnetic storage
    • 磁性千斤顶用于超高密度磁存储
    • US06680808B2
    • 2004-01-20
    • US09798237
    • 2001-03-01
    • Rolf AllenspachGerd K. BinnigWalter HaeberlePeter Vettiger
    • Rolf AllenspachGerd K. BinnigWalter HaeberlePeter Vettiger
    • G11B502
    • G11B5/00B82Y10/00G11B5/012G11B5/255G11B5/488G11B5/4886G11B5/74G11B5/82G11B9/14G11B9/1409G11B9/1418G11B9/1463G11B13/045G11B2005/0002G11B2005/0005G11B2005/0021
    • The present invention relates to computer storage systems which have a tip (24) directed close or in contact to the storage medium (10) by which bit-writing and bit-reading is enforced. It is proposed to use a magnetizable storage medium (10), expose it to an artificial, external magnetic field H coupled externally to the storage medium, and—during bit writing—to concurrently apply heat very locally in bit size dimension in order to let the external magnetic field become locally larger than the (temperature-dependent) coercive field at the location (32) where heat is applied. Further, a two-dimensional array of cantilever tips (24) is advantageously used in an inventional storage system each of which tips serves as a heat source when it is activated by a current flowing through a resistive path within said tip (24) and producing the necessary temperature at the small storage medium location (32) where the bit writing is intended in order to approach the Curie temperature or the compensation temperature of the magnetic material.
    • 本发明涉及具有尖端(24)的计算机存储系统,所述尖端(24)紧密地或与存储介质(10)接触,由此执行位写入和位读取。 建议使用可磁化存储介质(10),将其暴露于外部耦合到存储介质的人造外部磁场H,并且在位写入期间同时以比特尺寸尺寸局部施加热量,以使 外部磁场局部地大于施加热量的位置(32)处的(温度依赖)矫顽场。 此外,悬臂尖端(24)的二维阵列有利地用于本发明的存储系统中,每个尖端在由流过所述尖端(24)内的电阻路径的电流激活时用作热源,并产生 在小存储介质位置(32)处必需的温度,其中位写入旨在接近居里温度或磁性材料的补偿温度。