专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明授权

US08547662B2 Magnetic recording head and magnetic recording apparatus 有权
标题翻译：磁记录头和磁记录装置
公开(公告)号：US08547662B2
公开(公告)日：2013-10-01
申请号：US13541371
申请日：2012-07-03
申请人： Kenichiro Yamada , Hitoshi Iwasaki , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Shuichi Murakami , Tadashi Kai
发明人： Kenichiro Yamada , Hitoshi Iwasaki , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Shuichi Murakami , Tadashi Kai
IPC分类号： G11B5/147 , G11B5/23 , G11B5/187
CPC分类号： G11B5/17 , G11B5/02 , G11B5/1278 , G11B5/3133 , G11B5/3146 , G11B2005/0002 , G11B2005/0024
摘要： An example magnetic writing head includes a main magnetic pole, a coil to generate an ampere magnetic field to magnetize the main magnetic pole to cause the magnetized main magnetic pole to generate a magnetic field, and a laminated body. The laminated body includes a first magnetic layer having a coercivity lower than the magnetic field applied by the main magnetic pole and a second magnetic layer having a coercivity lower than the magnetic field applied by the main magnetic pole.
摘要翻译：磁性写入头包括主磁极，产生安培磁场以磁化主磁极以使磁化的主磁极产生磁场的线圈和层叠体。层叠体包括矫顽力低于由主磁极施加的磁场的矫顽力的第一磁性层和具有低于由主磁极施加的磁场的矫顽力的第二磁性层。

22. 发明申请

US20130083595A1 MAGNETIC MEMORY AND MANUFACTURING METHOD THEREOF 有权
标题翻译：磁记忆及其制造方法
公开(公告)号：US20130083595A1
公开(公告)日：2013-04-04
申请号：US13425471
申请日：2012-03-21
申请人： Shiho Nakamura , Tsuyoshi Kondo , Hirofumi Morise , Junichi Akiyama
发明人： Shiho Nakamura , Tsuyoshi Kondo , Hirofumi Morise , Junichi Akiyama
IPC分类号： G11C11/14 , H01L21/8246
CPC分类号： G11C19/0808 , G11C11/161 , G11C11/1675
摘要： A magnetic memory includes a first magnetic line, an electrode, a write-in portion, a second magnetic line, and a spin-wave generator. The first magnetic line has a plurality of magnetic domains and domain walls, the domain wall separating the magnetic domain. The electrode is provided to both ends of the first magnetic line. The write-in portion is provided adjacent to the first magnetic line. The second magnetic line is provided so that the second magnetic line intersects with the first magnetic line. The spin-wave generator provided to one end of the second magnetic line. The spin-wave detector provided to the other end of the second magnetic line.
摘要翻译：磁存储器包括第一磁线，电极，写入部分，第二磁线和自旋波发生器。第一磁线具有多个磁畴和畴壁，畴壁分离磁畴。电极设置在第一磁力线的两端。写入部分设置成与第一磁线相邻。第二磁线被设置成使得第二磁线与第一磁线相交。提供给第二磁线的一端的自旋波发生器。旋转波检测器设置在第二磁线的另一端。

23. 发明申请

US20110300409A1 MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS 有权
标题翻译：磁记录头和磁记录装置
公开(公告)号：US20110300409A1
公开(公告)日：2011-12-08
申请号：US13214012
申请日：2011-08-19
申请人： Kenichiro Yamada , Hitoshi Iwasaki , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Shuichi Murakami , Tadashi Kai
发明人： Kenichiro Yamada , Hitoshi Iwasaki , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Shuichi Murakami , Tadashi Kai
IPC分类号： G11B5/187
CPC分类号： G01S19/36 , G01S19/30 , Y10T428/1186
摘要： An example magnetic recording head includes: a main magnetic pole; a laminated body; and a pair of electrodes. The laminated body includes a first magnetic layer having a coercivity lower than magnetic field applied by the main magnetic pole, a second magnetic layer having a coercivity lower than the magnetic field applied by the main magnetic pole, and an intermediate layer provided between the first magnetic layer and the second magnetic layer. The pair of electrodes is operable to pass a current through the laminated body.
摘要翻译：一个示例磁记录头包括：主磁极; 层压体; 和一对电极。层叠体包括具有比由主磁极施加的磁场低的矫顽力的第一磁性层，具有低于由主磁极施加的磁场的矫顽力的第二磁性层，以及设置在第一磁性体之间的中间层层和第二磁性层。该对电极可操作以使电流通过层压体。

24. 发明授权

US07957098B2 Magnetic recording head and magnetic recording apparatus 有权
标题翻译：磁记录头和磁记录装置
公开(公告)号：US07957098B2
公开(公告)日：2011-06-07
申请号：US12155329
申请日：2008-06-02
申请人： Kenichiro Yamada , Hitoshi Iwasaki , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Shuichi Murakami , Tadashi Kai
发明人： Kenichiro Yamada , Hitoshi Iwasaki , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Shuichi Murakami , Tadashi Kai
IPC分类号： G11B5/147 , G11B5/23 , G11B5/187
CPC分类号： G11B5/17 , G11B5/02 , G11B5/1278 , G11B5/3133 , G11B5/3146 , G11B2005/0002 , G11B2005/0024
摘要： A magnetic writing head includes: a main magnetic pole; a laminated body; and a pair of electrodes. The laminated body includes a first magnetic layer having a coercivity lower than magnetic field applied by the main magnetic pole, a second magnetic layer having a coercivity lower than the magnetic field applied by the main magnetic pole, and an intermediate layer provided between the first magnetic layer and the second magnetic layer. The pair of electrodes are operable to pass a current through the laminated body.
摘要翻译：磁头包括：主磁极; 层压体; 和一对电极。层叠体包括具有比由主磁极施加的磁场低的矫顽力的第一磁性层，具有低于由主磁极施加的磁场的矫顽力的第二磁性层，以及设置在第一磁性体之间的中间层层和第二磁性层。该对电极可操作以使电流通过层叠体。

25. 发明授权

US07602693B2 Data recording apparatus 失效
标题翻译：数据记录装置
公开(公告)号：US07602693B2
公开(公告)日：2009-10-13
申请号：US11515397
申请日：2006-09-05
申请人： Junichi Akiyama
发明人： Junichi Akiyama
IPC分类号： G11B9/00
CPC分类号： G11B9/08
摘要： A data recording apparatus includes a recording medium which includes a semiconductor substrate, a first insulating layer formed on one surface of the substrate, a second insulating layer formed on the first insulating layer and is made to accumulate electric charge, an electrode layer formed on the other surface, and an insulating area which penetrates the insulating layers; and an electrode which applies a voltage to the medium. A depth from an interface between the substrate and the first insulating layer to the bottom of the insulating area is more than a maximum depth of a depletion layer, Wmax represented by Wmax=√{square root over (2∈0∈i×2|φf|/qNd)} where ∈0, ∈i, |φf|, q, and Nd are a dielectric constant of vacuum, a relative dielectric constant, an absolute value of the Felmi potential of the substrate, an electric charge of an electron, and an impurity concentration of the substrate, respectively.
摘要翻译：一种数据记录装置，包括：记录介质，包括半导体衬底，形成在所述衬底的一个表面上的第一绝缘层，形成在所述第一绝缘层上并被制成电荷的第二绝缘层;形成在所述第一绝缘层上的电极层其它表面和穿透绝缘层的绝缘区域; 以及向介质施加电压的电极。从衬底和第一绝缘层到绝缘区域的底部之间的界面的深度大于耗尽层的最大深度，Wmax由Wmax =√{平方根超过（2∈0∈ix2| phif | / qNd）}其中∈0，∈i，| phif |，q和Nd是真空的介电常数，相对介电常数，基板的Felmi电位的绝对值，电子的电荷，以及分别是基板的杂质浓度。

26. 发明申请

US20090225465A1 Magnetic recording head and magnetic recording apparatus 审中-公开
标题翻译：磁记录头和磁记录装置
公开(公告)号：US20090225465A1
公开(公告)日：2009-09-10
申请号：US12232014
申请日：2008-09-09
申请人： Hitoshi Iwasaki , Kenichiro Yamada , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu
发明人： Hitoshi Iwasaki , Kenichiro Yamada , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu
IPC分类号： G11B21/02 , G11B5/33
CPC分类号： G11B5/1278 , G11B5/3116 , G11B2005/001
摘要： A magnetic recording head includes a main magnetic pole, and a laminated body. The laminated body includes a first magnetic layer, a second magnetic layer, a first intermediate layer provided between the first magnetic layer and the second magnetic layer, and a third magnetic layer laminated with the first and second magnetic layers and the first intermediate layer. The third magnetic layer exerts a magnetic field on at least any of the first magnetic layer and the second magnetic layer. The third magnetic layer has larger saturation magnetization than at least any of the first magnetic layer and the second magnetic layer.
摘要翻译：磁记录头包括主磁极和层叠体。层叠体包括第一磁性层，第二磁性层，设置在第一磁性层和第二磁性层之间的第一中间层，以及与第一和第二磁性层和第一中间层层叠的第三磁性层。第三磁性层在第一磁性层和第二磁性层中的至少任一个上施加磁场。第三磁性层比第一磁性层和第二磁性层中的至少任意一个具有更大的饱和磁化强度。

27. 发明申请

US20090052095A1 Magnetic recording head and magnetic recording apparatus 有权
标题翻译：磁记录头和磁记录装置
公开(公告)号：US20090052095A1
公开(公告)日：2009-02-26
申请号：US12155329
申请日：2008-06-02
申请人： Kenichiro Yamada , Hitoshi Iwasaki , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Shuichi Murakami , Tadashi Kai
发明人： Kenichiro Yamada , Hitoshi Iwasaki , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Shuichi Murakami , Tadashi Kai
IPC分类号： G11B5/33
CPC分类号： G11B5/17 , G11B5/02 , G11B5/1278 , G11B5/3133 , G11B5/3146 , G11B2005/0002 , G11B2005/0024
摘要： A magnetic recording head includes:a main magnetic pole; a laminated body; and a pair of electrodes. The laminated body includes a first magnetic layer having a coercivity lower than magnetic field applied by the main magnetic pole, a second magnetic layer having a coercivity lower than the magnetic field applied by the main magnetic pole, and an intermediate layer provided between the first magnetic layer and the second magnetic layer. The pair of electrodes are operable to pass a current through the laminated body.
摘要翻译：磁记录头包括：主磁极; 层压体; 和一对电极。层叠体包括具有比由主磁极施加的磁场低的矫顽力的第一磁性层，具有低于由主磁极施加的磁场的矫顽力的第二磁性层，以及设置在第一磁性体之间的中间层层和第二磁性层。该对电极可操作以使电流通过层叠体。

28. 发明授权

US07054087B2 Magnetic recording-reproducing apparatus 有权
标题翻译：磁记录再现装置
公开(公告)号：US07054087B2
公开(公告)日：2006-05-30
申请号：US10944882
申请日：2004-09-21
申请人： Tadashi Kai , Akira Kikitsu , Toshihiko Nagase , Tomoyuki Maeda , Junichi Akiyama
发明人： Tadashi Kai , Akira Kikitsu , Toshihiko Nagase , Tomoyuki Maeda , Junichi Akiyama
IPC分类号： G11B5/02 , G11B5/66
CPC分类号： G11B5/7325 , G11B5/00 , G11B5/012 , G11B5/127 , G11B5/64 , G11B13/045 , G11B2005/0002 , G11B2005/0005 , G11B2005/0021
摘要： A magnetic recording-reproducing apparatus has a magnetic recording medium having a nonmagnetic substrate, and a functional layer and a recording layer formed on the nonmagnetic substrate, the recording layer exhibiting a magnetic anisotropy energy density KuRL, the functional layer developing ferromagnetism upon irradiation with light so as to exhibit a magnetic anisotropy energy density KuFL lower than the magnetic anisotropy energy density KuRL and the functional layer serving to lower the magnetic anisotropy energy density of the recording layer through exchange coupling interaction with the recording layer when the functional layer is irradiated with light, a light source which irradiates the functional layer with light, and a magnetic head having a writing head writing signal magnetization by applying a magnetic field to the recording layer and a reading head reading the signal magnetization recorded in the recording layer.
摘要翻译：磁记录再现装置具有磁记录介质，其具有非磁性基板，以及在非磁性基板上形成的功能层和记录层，所述记录层呈现磁各向异性能量密度Ku <！ - SIPO 的功能层，而功能层用于降低当功能层被光照射时通过与记录层的交换耦合相互作用的记录层的磁各向异性能量密度，用光照射功能层的光源以及具有写入头写入信号磁化的磁头通过施加记录层的磁场和读取记录在记录层中的信号磁化的读取头。

29. 发明授权

US06982845B2 Magnetic recording apparatus and magnetic recording method 有权
公开(公告)号：US06982845B2
公开(公告)日：2006-01-03
申请号：US10400532
申请日：2003-03-28
申请人： Tadashi Kai , Masayuki Takagishi , Masashi Sahashi , Junichi Akiyama , Hitoshi Iwasaki , Akira Kikitsu
发明人： Tadashi Kai , Masayuki Takagishi , Masashi Sahashi , Junichi Akiyama , Hitoshi Iwasaki , Akira Kikitsu
IPC分类号： G11B5/02
CPC分类号： B82Y10/00 , G11B5/00 , G11B9/04 , G11B9/1409 , G11B11/08 , G11B11/10 , G11B2005/0002 , G11B2005/0005
摘要： A magnetic recording apparatus comprises a magnetic field impression unit, a current supplying unit and a controlling unit t. The magnetic field impression unit impresses a magnetic field to a magnetic recording medium. The current supplying unit supplies a current to the magnetic recording medium. The controlling unit makes the current supplying unit supply the current to the magnetic recording medium while making the magnetic field impression unit impress the magnetic field to at least a unit of a magnetic recording unit of the magnetic recording medium. Thus, a information is recorded magnetically by making a direction of a magnetization of the magnetic recording unit of the magnetic recording medium in a predetermined direction.

30. 发明授权

US06795380B2 Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatus 有权
标题翻译：光辅助磁记录头和光辅助磁记录装置
公开(公告)号：US06795380B2
公开(公告)日：2004-09-21
申请号：US10108503
申请日：2002-03-29
申请人： Junichi Akiyama , Akira Kikitsu , Tadashi Kai , Toshihiko Nagase , Tomoyuki Maeda
发明人： Junichi Akiyama , Akira Kikitsu , Tadashi Kai , Toshihiko Nagase , Tomoyuki Maeda
IPC分类号： G11B1100
CPC分类号： G11B5/4826 , G11B5/127 , G11B5/3103 , G11B5/3967 , G11B5/4833 , G11B7/00 , G11B13/045 , G11B2005/0002 , G11B2005/0005 , G11B2005/0021
摘要： A pair of members opposed to each other via a gap are commonly used as an evanescent light probe and a writing magnetic head. When the spacing and width of the gap are smaller than the wavelength &lgr; of injected light, highly intensive evanescent light is generated from the gap position of the opposite surface. Magnetic writing is carried out by applying a recording magnetic field from the pair of members to a medium heated by the evanescent light.
摘要翻译：经由间隙彼此相对的一对构件通常用作渐逝光探针和写入磁头。当间隙的间隔和宽度小于注入的光的波长λ时，从相对表面的间隙位置产生高度强烈的消逝光。通过将记录磁场从一对构件施加到由渐逝光加热的介质来进行磁写入。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式