公开(公告)号：US06757192B2

公开(公告)日：2004-06-29

申请号：US10146932

申请日：2002-05-17

申请人： Koichi Mukasa ,  Makoto Sawamura ,  Kazuhisa Sueoka ,  Eiichi Hirota ,  Ryosho Nakane ,  Motonori Nakamura

发明人： Koichi Mukasa ,  Makoto Sawamura ,  Kazuhisa Sueoka ,  Eiichi Hirota ,  Ryosho Nakane ,  Motonori Nakamura

IPC分类号： G11C1115

CPC分类号： H01L43/12 ,  G11C11/15 ,  G11C11/16 ,  H01L43/08

摘要： A magnetic recording element is composed of a first magnetic film to generate spin vortex by an external magnetic field and a second magnetic film having a magnetization perpendicular to the surfaces thereof, and also an insulating layer to control (repress) a current through the magnetic recording element which is formed between the first magnetic film and the second magnetic film. A given external magnetic field is applied to the magnetic recording element, to generate a spin vortex in the first magnetic film and then, generate a vertical magnetization at the center of the spin vortex. Then, a given data is written on the vertical magnetization.

摘要翻译： 磁记录元件由通过外部磁场产生自旋涡流的第一磁性膜和具有垂直于其表面的磁化的第二磁性膜以及控制（抑制）通过磁记录的电流的绝缘层 元件，其形成在第一磁性膜和第二磁性膜之间。 将给定的外部磁场施加到磁记录元件，以在第一磁性膜中产生自旋涡流，然后在旋转涡旋的中心产生垂直磁化。 然后，给定数据写入垂直磁化。

公开(公告)号：US06577213B2

公开(公告)日：2003-06-10

申请号：US10055030

申请日：2002-01-22

申请人： Hideki Watanabe ,  Makoto Sawamura ,  Kazuhisa Sueoka ,  Koichi Mukasa ,  Ryosho Nakane

发明人： Hideki Watanabe ,  Makoto Sawamura ,  Kazuhisa Sueoka ,  Koichi Mukasa ,  Ryosho Nakane

IPC分类号： H01P100

CPC分类号： H03B19/03

摘要： A ferromagnetic film, which has an inherent resonant frequency, is disposed in a cavity resonator. An electromagnetic wave, which has an input frequency equal to the resonant frequency of the ferromagnetic film, is introduced to the ferromagnetic film from an orifice of the cavity resonator to generate a ferromagnetic resonance in the ferromagnetic film, and thus, multiply the input frequency of the electromagnetic wave.

公开(公告)号：US06504665B1

公开(公告)日：2003-01-07

申请号：US09424370

申请日：1999-11-23

申请人： Koichi Mukasa ,  Soshin Chikazumi ,  Eichi Hirota ,  Ryosho Nakane ,  Makoto Sawamura

发明人： Koichi Mukasa ,  Soshin Chikazumi ,  Eichi Hirota ,  Ryosho Nakane ,  Makoto Sawamura

IPC分类号： G11B502

CPC分类号： B82Y10/00 ,  G11B5/00 ,  G11B5/02 ,  G11B5/1278 ,  G11B5/64 ,  G11B5/74 ,  G11B5/855 ,  G11B9/1409 ,  G11B11/10508 ,  G11B11/10517 ,  G11B11/10528 ,  G11B11/10584 ,  G11C11/14 ,  G11C11/16 ,  G11C19/08

摘要： To provide a magnetic recording method and apparatus which utilize a spin vortex as a recording unit and which enables high density recording, spin vortices (2) are recorded on a recording medium (1) such that the spin vortices (2) are aligned to form a recording track (3). The recording medium (1) is formed of a magnetic super-thin film, and positive and negative recorded spin vortices (2) are aligned thereon.

摘要翻译： 为了提供利用旋转涡流作为记录单元并且能够进行高密度记录的磁记录方法和装置，旋转旋涡（2）被记录在记录介质（1）上，使得旋转涡流（2）对齐以形成 记录轨道（3）。 记录介质（1）由磁性超薄膜形成，正和负记录旋转旋涡（2）对准。