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    • 9. 发明申请
    • A MAGNETIC FILM HAVING A MAGNETIC EASY-AXIS OR A MULTIPLE EASY-AXIS AND A METHOD OF MANUFACTURING THE MAGNETIC FILM
    • 具有磁性易轴的磁性膜或多个易于制造的磁性薄膜的方法
    • WO01078070A1
    • 2001-10-18
    • PCT/IB2001/000598
    • 2001-04-11
    • G11B5/65G11B5/64G11B5/84G11B5/851G11B5/855H01F1/00H01F10/16H01F10/193H01F41/14H01F41/18H01L21/8246H01L27/105G11B5/66
    • H01F41/14G11B5/64G11B5/855H01F10/1936H01F41/18Y10T428/12438Y10T428/12597Y10T428/265
    • The present invention relates to a magnetic film having a magnetic easy axis in a pre-formed area, and a method of forming the magnetic film. Especially, the present invention relates to a method of forming a multiple magnetic easy-axis in a pre-formed magnetic film and a magnetic film having multiple easy-axis by the same method of forming the multiple easy axis. It is an object of the present invention to overcome the drawbacks of the conventional magnetic film and to achieve ultrahigh density of the unit recording cells using the magnetic film. It is another object of the present invention to suggest a method of forming a magnetic film and a magnetic film device in which the exchange interaction and the magneto-static interaction between the neighboring areas are eliminated in order to accomplish ultrahigh density for storing data. The present invention presents first, a magnetic film (or area) having a magnetic easy axis and a method of forming a magnetic easy axis on the magnetic film. The magnetic moments of the magnetic area having an easy axis are automatically aligned to the axis without an external magnetic field. This means that the magnetic moments of the magnetic area having an easy axis are strictly limited to the state in which the easy axis is same in magnitude but opposite in directions. Second, this invention presents a magnetic thin film having two neighboring areas with different direction of easy axis in each area so that the exchange interaction between the two neighboring areas is greatly reduced or eliminated.
    • 本发明涉及在预成型区域中具有易磁化轴的磁性膜以及形成该磁性膜的方法。 特别地,本发明涉及通过与形成多个容易轴相同的方法,在预成型磁性膜中形成多个磁性容易轴的方法和具有多个易于轴的磁性膜。 本发明的一个目的是克服常规磁性膜的缺陷,并且使用该磁性膜实现单位记录单元的超高密度。 本发明的另一个目的是提出一种形成磁膜和磁膜装置的方法,其中消除了相邻区域之间的交换相互作用和磁静电相互作用,以便实现用于存储数据的超高密度。 本发明首先提出具有易磁化轴的磁性膜(或区域)以及在磁性膜上形成易磁化轴的方法。 具有容易轴的磁性区域的磁矩自动地对准轴而没有外部磁场。 这意味着具有容易轴的磁性区域的磁矩被严格地限制在容易轴的大小相同但方向相反的状态。 第二,本发明提出了一种具有两个相邻区域的磁性薄膜,每个区域具有不同的易轴方向,从而大大减少或消除了两个相邻区域之间的交换相互作用。