公开(公告)号：US20080090002A1

公开(公告)日：2008-04-17

申请号：US11873860

申请日：2007-10-17

申请人： Tomoyuki Maeda ,  Akira Kikitsu ,  Soichi Oikawa ,  Takeshi Iwasaki

发明人： Tomoyuki Maeda ,  Akira Kikitsu ,  Soichi Oikawa ,  Takeshi Iwasaki

IPC分类号： G11B5/84

CPC分类号： G11B5/667 ,  G11B5/65 ,  G11B5/7325

摘要： A magnetic recording layer is formed on an under-layer comprising a Cu crystalline grain layer and a deposited nitrogen atom layer on the Cu crystalline grain layer surface. Then the magnetic recording layer comprising very small average grain diameter and sharp grain diameter distribution is obtained. The magnetic recording medium comprising the magnetic recording layer shows excellent signal to noise ratio at high density recording.

摘要翻译： 在Cu晶粒层表面上的包含Cu晶粒层和沉积的氮原子层的下层上形成磁记录层。 然后获得包含非常小的平均粒径和尖锐的粒径分布的磁记录层。 包括磁记录层的磁记录介质在高密度记录时显示出优异的信噪比。

公开(公告)号：US20070026265A1

公开(公告)日：2007-02-01

申请号：US11493652

申请日：2006-07-27

申请人： Masatoshi Sakurai ,  Akira Kikitsu ,  Masahiro Oka

发明人： Masatoshi Sakurai ,  Akira Kikitsu ,  Masahiro Oka

IPC分类号： G11B5/706 ,  B05D3/12

CPC分类号： G11B5/855 ,  G11B5/82 ,  G11B5/865

摘要： According to one embodiment, a patterned substrate used for a magnetic recording media having discrete tracks includes patterns of protrusions and recesses processed thereon, and a texture structure formed on each of the recesses.

摘要翻译： 根据一个实施例，用于具有离散轨道的磁记录介质的图案化衬底包括在其上处理的突起和凹部的图案，以及形成在每个凹部上的纹理结构。

公开(公告)号：US20070002481A1

公开(公告)日：2007-01-04

申请号：US11475863

申请日：2006-06-28

申请人： Akira Kikitsu ,  Masatoshi Sakurai ,  Masahiro Oka

发明人： Akira Kikitsu ,  Masatoshi Sakurai ,  Masahiro Oka

IPC分类号： G11B5/09

CPC分类号： G11B5/82 ,  B82Y10/00 ,  G11B5/743

摘要： According to one embodiment, a magnetic recording apparatus has a magnetic recording media including a substrate having protrusions and recesses corresponding to a servo zone and a data zone and a magnetic layer deposited thereon, and a read/write head including a pair of magnetic shields and a giant magnetoresistive element, in which a track pitch of the media ranges 20 to 300 nm, a linear velocity of the magnetic recording media is 11 m/s, and a distance m from the magnetic shield to the magnetic layer on the protrusions of the media and a distance d between the magnetic layer on the protrusions and that on the recesses in the servo zone of the media are satisfies the condition that the value of d/m is 0.2 or more and 3 or less.

摘要翻译： 根据一个实施例，磁记录装置具有磁记录介质，该磁记录介质包括具有与伺服区对应的突起和凹部的基板，以及沉积在其上的数据区和磁性层，以及包括一对磁屏蔽的读/写头 介质的磁道间距为20〜300nm，磁记录媒体的线速度为11m / s，从磁屏蔽到磁性层的距离m为大的磁阻元件， 介质和介质上的磁性层与介质的伺服区的凹部之间的距离d满足d / m的值为0.2以上且3以下的条件。

公开(公告)号：US20050284320A1

公开(公告)日：2005-12-29

申请号：US10952743

申请日：2004-09-30

申请人： Masatoshi Sakuarai ,  Akira Kikitsu ,  Naoko Kihara

发明人： Masatoshi Sakuarai ,  Akira Kikitsu ,  Naoko Kihara

IPC分类号： G11B5/855 ,  B41G7/00 ,  G03F7/00

CPC分类号： G03F7/0002 ,  B82Y10/00 ,  B82Y40/00 ,  G11B5/855 ,  Y10S977/877 ,  Y10S977/888

摘要： An imprint apparatus configured such that it can press a laminate structure in which a magnetic film and a resist film are sequentially laminated on a substrate. The imprint apparatus includes a first press plate configured to mount the laminate structure, a second press plate adapted for sandwiching the laminate structure, a stamper placed on a surface of the second press plate, and has projections and recesses configured to be transferred onto the resist film, and a light source configured to dispose on the same plane as the laminate structure, and is oriented so that the light source can shine the resist film.

摘要翻译： 一种压印装置，其构造成能够将其中磁性膜和抗蚀剂膜依次层压在基板上的层叠结构。 压印装置包括构造成安装层叠结构的第一压板，适于夹持层叠结构的第二压板，设置在第二压板的表面上的压模，并且具有被配置为转印到抗蚀剂上的突起和凹陷 膜，以及配置为与层叠结构在同一平面上的光源，并且被定向成使得光源能够照射抗蚀剂膜。

公开(公告)号：US06972923B2

公开(公告)日：2005-12-06

申请号：US10396514

申请日：2003-03-26

申请人： Junichi Akiyama ,  Akira Kikitsu ,  Tadashi Kai ,  Toshihiko Nagase ,  Tomoyuki Maeda ,  Hisanori Aikawa

发明人： Junichi Akiyama ,  Akira Kikitsu ,  Tadashi Kai ,  Toshihiko Nagase ,  Tomoyuki Maeda ,  Hisanori Aikawa

IPC分类号： G11B5/65 ,  G11B5/00 ,  G11B5/596 ,  G11B5/66 ,  G11B5/667 ,  G11B5/738 ,  G11B5/74 ,  G11B5/82

CPC分类号： G11B5/66 ,  G11B5/59633 ,  G11B5/59683 ,  G11B5/667 ,  G11B5/74 ,  G11B5/82 ,  G11B2005/0029

摘要： A magnetic recording medium has a substrate, and a servo signal recording magnetic layer whose magnetization is oriented in a direction perpendicular to a surface thereof, a non-magnetic layer and a data recording magnetic layer, which are stacked on the substrate in the order mentioned. The servo signal recording magnetic layer has a coercivity higher than that of the data recording magnetic layer. The servo signal recording magnetic layer has servo tracks formed with a track pitch Tps, the servo tracks adjacent to each other in a track width direction being magnetized to opposite directions perpendicular to the film surface.

摘要翻译： 磁记录介质具有基板，磁化沿与其表面垂直的方向取向的伺服信号记录磁性层，非磁性层和数据记录磁性层，按照所述顺序堆叠在基板上 。 伺服信号记录磁性层的矫顽力高于数据记录磁性层的矫顽力。 伺服信号记录磁性层具有形成有磁道间距Tps的伺服磁道，在磁道宽度方向上彼此相邻的伺服磁道被磁化成垂直于膜表面的相反方向。

公开(公告)号：US20050041335A1

公开(公告)日：2005-02-24

申请号：US10946011

申请日：2004-09-22

申请人： Akira Kikitsu ,  Tadashi Kai ,  Junichi Akiyama

发明人： Akira Kikitsu ,  Tadashi Kai ,  Junichi Akiyama

IPC分类号： G11B5/65 ,  G11B5/00 ,  G11B5/012 ,  G11B5/02 ,  G11B5/265 ,  G11B5/39 ,  G11B5/48 ,  G11B5/596 ,  G11B5/64 ,  G11B5/66 ,  G11B5/738 ,  G11B7/00 ,  G11B11/10 ,  H01F10/30 ,  G11B5/127

CPC分类号： G11B5/66 ,  B82Y10/00 ,  B82Y25/00 ,  G11B5/00 ,  G11B5/012 ,  G11B5/02 ,  G11B5/1278 ,  G11B5/3916 ,  G11B5/3925 ,  G11B5/488 ,  G11B5/59683 ,  G11B5/743 ,  G11B5/746 ,  G11B5/82 ,  G11B7/00 ,  G11B2005/0002 ,  G11B2005/0005 ,  G11B2005/0021 ,  G11B2005/3996 ,  Y10T428/24942 ,  Y10T428/31

摘要： A magnetic recording medium capable of alleviating thermal fluctuation and improving the recording density includes a functional layer (12) containing a magnetic material, and a recording layer (11) overlying the functional layer and containing a magnetic material. The recording layer contains a plurality of magnetic grains (51) and a nonmagnetic material (52) existing among the magnetic grains, and the functional layer and the recording layer exert exchange coupling interaction in a direction making a substantially orthogonal relation with each other at the room temperature.

摘要翻译： 能够减轻热波动并提高记录密度的磁记录介质包括含有磁性材料的功能层（12）和覆盖功能层并含有磁性材料的记录层（11）。 记录层包含存在于磁性颗粒之间的多个磁性颗粒（51）和非磁性材料（52），功能层和记录层在相互之间形成基本正交的方向上发挥交换耦合相互作用 室内温度。

公开(公告)号：US06826144B1

公开(公告)日：2004-11-30

申请号：US09648475

申请日：2000-08-25

申请人： Katsutaro Ichihara ,  Akira Kikitsu ,  Toshihiko Nagase

发明人： Katsutaro Ichihara ,  Akira Kikitsu ,  Toshihiko Nagase

IPC分类号： G11B700

CPC分类号： G11B7/1263 ,  G11B7/0045 ,  G11B7/005 ,  G11B7/1267 ,  G11B7/24065 ,  G11B7/24067 ,  G11B7/243 ,  G11B7/246 ,  G11B2007/24304 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/2432 ,  G11B2007/24324

摘要： An optical recording medium comprises a superresolution film which has a light transmittance varying in accordance with the intensity of incident light and which has a superresolution function for optically masking part of incident light to form an optical aperture having a smaller size than a spot size of incident light, the superresolution film including at least two kinds of superresolution films having different response times until the superresolution function occurs after being irradiated with light. Thus, it is possible to easily and surely reduce the light spot size to greatly enhance the recording density. In addition, it is possible to extend the operating wavelength range by providing at least two kinds of superresolution films having different operating wavelengths causing the superresolution function.

摘要翻译： 光学记录介质包括具有根据入射光强度而变化的光透射率的超分辨膜，其具有用于光学地掩蔽部分入射光以形成具有比入射光斑大小更小的光学孔径的超分辨率功能 光，超分辨率膜包括至少两种具有不同响应时间的超分辨率膜，直到在用光照射之后发生超分辨函数。 因此，可以容易且可靠地减小光斑尺寸，大大提高记录密度。 此外，通过提供具有不同工作波长的至少两种超分辨率膜，可以延长工作波长范围，导致超分辨率功能。

公开(公告)号：US06174597B1

公开(公告)日：2001-01-16

申请号：US08900581

申请日：1997-07-25

申请人： Keiichiro Yusu ,  Katsutaro Ichihara ,  Hideo Ogiwara ,  Akira Kikitsu ,  Futoshi Nakamura

发明人： Keiichiro Yusu ,  Katsutaro Ichihara ,  Hideo Ogiwara ,  Akira Kikitsu ,  Futoshi Nakamura

IPC分类号： G11B566

CPC分类号： G11B5/7325 ,  G11B5/64 ,  G11B5/65 ,  G11B5/656 ,  G11B5/66 ,  G11B5/858 ,  G11B2005/0002 ,  Y10S428/90 ,  Y10T428/26 ,  Y10T428/265

摘要： A magnetic recording apparatus includes a magnetic recording medium including a substrate and a magnetic recording layer formed on the substrate and having a structure in which magnetic grains are dispersed in a nonmagnetic matrix, a means for recording magnetic information on the magnetic recording medium, and a means for reproducing magnetic information from the magnetic recording medium wherein the magnetic grains are separated from the substrate by a part of the matrix and form a substantially single layer parallel to the main surface of the substrate.

摘要翻译： 磁记录装置包括磁记录介质，其包括基板和磁记录层，该磁记录层形成在基板上，并且具有将磁性颗粒分散在非磁性矩阵中的结构，在磁记录介质上记录磁信息的装置， 用于从磁记录介质再现磁信息的装置，其中磁性颗粒通过基体的一部分与衬底分离，并形成平行于衬底主表面的基本单层。

公开(公告)号：US08625335B2

公开(公告)日：2014-01-07

申请号：US13238198

申请日：2011-09-21

申请人： Hirofumi Morise ,  Hideaki Fukuzawa ,  Akira Kikitsu ,  Yoshiaki Fukuzumi

发明人： Hirofumi Morise ,  Hideaki Fukuzawa ,  Akira Kikitsu ,  Yoshiaki Fukuzumi

IPC分类号： G11C11/16

CPC分类号： G11C11/14 ,  G11C11/161 ,  G11C11/1673 ,  G11C11/1675 ,  G11C19/0841

摘要： A magnetic storage element according to an embodiment includes: a magnetic thin wire extending in a first direction and having a plurality of magnetic domains partitioned by domain walls; an electrode capable of applying a current flowing in the first direction and a current flowing in the opposite direction from the first direction, to the magnetic thin wire; and an assisting unit receiving an electrical input and assisting movement of the domain walls in an entire or part of the magnetic thin wire.

摘要翻译： 根据实施例的磁存储元件包括：沿第一方向延伸并具有由畴壁分隔的多个磁畴的磁性细线; 能够将沿第一方向流动的电流和从第一方向向相反方向流动的电流的电极施加到磁性细线; 以及辅助单元，其接收电输入并且辅助磁畴薄壁的全部或一部分中的畴壁的移动。

公开(公告)号：US08611142B2

公开(公告)日：2013-12-17

申请号：US13299130

申请日：2011-11-17

申请人： Shiho Nakamura ,  Hirofumi Morise ,  Satoshi Yanagi ,  Daisuke Saida ,  Akira Kikitsu

发明人： Shiho Nakamura ,  Hirofumi Morise ,  Satoshi Yanagi ,  Daisuke Saida ,  Akira Kikitsu

IPC分类号： G11C11/15 ,  G11C11/16 ,  G11C11/14 ,  G11C11/02

CPC分类号： G11C11/22 ,  G11B5/66 ,  G11C11/16 ,  G11C11/161 ,  G11C11/1675

摘要： An example magnetic recording device includes a laminated body. The laminated body includes a first ferromagnetic layer with a magnetization substantially fixed in a first direction; a second ferromagnetic layer with a variable magnetization direction; a first nonmagnetic layer disposed between the first ferromagnetic layer and the second ferromagnetic layer; a third ferromagnetic layer with a variable magnetization direction; and a fourth ferromagnetic layer with a magnetization substantially fixed in a second direction, wherein at least one of the first and second direction is generally perpendicular to the film plane. The magnetization direction of the second ferromagnetic layer is determinable in response to the orientation of a current, by passing the current in a direction generally perpendicular to the film plane of the layers of the laminated body and the magnetization of the third ferromagnetic layer is able to undergo precession by passing the current.

摘要翻译： 示例性磁记录装置包括层压体。 层叠体包括具有在第一方向上基本固定的磁化的第一铁磁层; 具有可变磁化方向的第二铁磁层; 设置在所述第一铁磁层和所述第二铁磁层之间的第一非磁性层; 具有可变磁化方向的第三铁磁层; 以及具有在第二方向上基本固定的磁化的第四铁磁层，其中所述第一和第二方向中的至少一个大致垂直于所述膜平面。 第二铁磁层的磁化方向可以通过使电流沿大致垂直于层叠体的层的膜平面的方向流过电流的方向来确定，并且第三铁磁层的磁化能够 通过传递目前进行进攻。