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1. 发明授权

US08456962B2 Magnetic head for microwave assisted magnetic recording 有权
标题翻译：磁头用于微波辅助磁记录
公开(公告)号：US08456962B2
公开(公告)日：2013-06-04
申请号：US13076793
申请日：2011-03-31
申请人： Takekazu Yamane , Yoshikazu Soeno , Akimasa Kaizu , Naomichi Degawa , Hayato Koike
发明人： Takekazu Yamane , Yoshikazu Soeno , Akimasa Kaizu , Naomichi Degawa , Hayato Koike
IPC分类号： G11B11/00 , G11B5/17
CPC分类号： G11B5/314 , G11B2005/0024
摘要： A magnetic head that writes information to a recording medium includes a magnetic pole layer that generates a writing magnetic field to the recording medium, a microstripline that is disposed in proximity to the magnetic pole layer and to which high frequency current is applied, and a ferromagnetic thin film that is disposed on a portion of the microstripline that faces the recording medium, and that generates a high frequency alternate-current (AC) magnetic field to be applied to the recording medium, using a current magnetic field generated on the microstripline due to the high frequency current.
摘要翻译：将信息写入记录介质的磁头包括：向记录介质产生写入磁场的磁极层;布置在磁极层附近并施加高频电流的微带线;以及铁磁层薄膜，其设置在面向记录介质的微带线的一部分上，并且使用由于在微带线上产生的电流磁场而产生施加到记录介质的高频交流（AC）磁场高频电流。

2. 发明申请

US20120250472A1 MAGNETIC HEAD FOR MICROWAVE ASSISTED MAGNETIC RECORDING 有权
标题翻译：用于微波辅助磁记录的磁头
公开(公告)号：US20120250472A1
公开(公告)日：2012-10-04
申请号：US13076793
申请日：2011-03-31
申请人： Takekazu YAMANE , Yoshikazu Soeno , Akimasa Kaizu , Naomichi Degawa , Hayato Koike
发明人： Takekazu YAMANE , Yoshikazu Soeno , Akimasa Kaizu , Naomichi Degawa , Hayato Koike
IPC分类号： G11B11/00 , G11B5/48
CPC分类号： G11B5/314 , G11B2005/0024
摘要： A magnetic head that writes information to a recording medium includes a magnetic pole layer that generates a writing magnetic field to the recording medium, a microstripline that is disposed in proximity to the magnetic pole layer and to which high frequency current is applied, and a ferromagnetic thin film that is disposed on a portion of the microstripline that faces the recording medium, and that generates a high frequency alternate-current (AC) magnetic field to be applied to the recording medium, using a current magnetic field generated on the microstripline due to the high frequency current.
摘要翻译：将信息写入记录介质的磁头包括：向记录介质产生写入磁场的磁极层;布置在磁极层附近并施加高频电流的微带线;以及铁磁层薄膜，其设置在面向记录介质的微带线的一部分上，并且使用由于在微带线上产生的电流磁场而产生施加到记录介质的高频交流（AC）磁场高频电流。

3. 发明申请

US20090231746A1 Magnetic recording apparatus and magnetic recording medium 失效
标题翻译：磁记录装置和磁记录介质
公开(公告)号：US20090231746A1
公开(公告)日：2009-09-17
申请号：US12379763
申请日：2009-02-27
申请人： Akimasa Kaizu , Satoshi Tomikawa , Yoshikazu Soeno
发明人： Akimasa Kaizu , Satoshi Tomikawa , Yoshikazu Soeno
IPC分类号： G11B5/02 , G11B5/82
CPC分类号： G11B5/314 , B82Y10/00 , G11B5/743 , G11B2005/0005
摘要： In the magnetic recording apparatus, a recording layer is formed in a concavo-convex pattern, and recording elements are formed of convex portions of the concavo-convex pattern. Furthermore, the following equation (I) BL≦ERL≦BL+2×GL (Equation (I)) is satisfied in each of tracks, where BL represents a length of the recording element in a circumferential direction, GL represents a length of a gap between the recording elements in the circumferential direction, and ERL represents an effective recording length which is a length of an effective recording area ER in the circumferential direction, the effective recording area ER being created on a magnetic recording medium by a heating head and a recording head.
摘要翻译：在磁记录装置中，记录层形成为凹凸图案，记录元件由凹凸图案的凸部形成。此外，以下等式（I）<？in-line-formula description =“In-line Formulas”end =“lead”？> BL <= ERL <= BL + 2xGL（等式（I））<？在每个轨道中满足-formulae description =“在线公式”end =“tail”？>，其中BL表示记录元件在圆周方向上的长度，GL表示记录元素在圆周方向上的间隔的长度圆周方向，ERL表示作为圆周方向上的有效记录区域ER的长度的有效记录长度，通过加热头和记录头在磁记录介质上形成有效记录区域ER。

4. 发明授权

US07443622B2 Magnetic recording medium, magnetic recording/reproducing apparatus, and stamper for manufacturing the magnetic recording medium 失效
标题翻译：磁记录介质，磁记录/再现装置和用于制造磁记录介质的压模
公开(公告)号：US07443622B2
公开(公告)日：2008-10-28
申请号：US11213786
申请日：2005-08-30
申请人： Akimasa Kaizu , Makoto Moriya , Yoshikazu Soeno
发明人： Akimasa Kaizu , Makoto Moriya , Yoshikazu Soeno
IPC分类号： G11B5/86
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/743 , G11B5/865
摘要： A reliable magnetic recording medium is provided which comprises a servo signal unit portions formed in a concavo-convex shape, easily produced, and resistant to tracking error. Also provided are a magnetic recording/reproducing apparatus which incorporates the magnetic recording medium, and a stamper for manufacturing the magnetic recording medium with efficiency. The magnetic recording medium includes a recording layer divided into a plurality of data areas and a plurality of servo areas to record information. The recording layer is formed in a concavo-convex shape in each servo area, with a servo signal unit portions formed as either a convex portions or a concave portions of the concavo-convex shape. Of the servo signal unit portions, the burst signal unit portion for tracking is generally elliptical in shape when viewed from the direction of thickness.
摘要翻译：提供了一种可靠的磁记录介质，其包括形成为凹凸形状的伺服信号单元部分，容易产生并且抗跟踪误差。还提供了一种结合有磁记录介质的磁记录/再现装置和用于制造磁记录介质的压模。磁记录介质包括被划分为多个数据区域的记录层和用于记录信息的多个伺服区域。记录层在每个伺服区域中形成为凹凸形状，其中伺服信号单元部分形成为凹凸形状的凸部或凹部。在伺服信号单元部分中，当从厚度方向观察时，用于跟踪的突发信号单元部分的形状通常为椭圆形。

5. 发明申请

US20080144230A1 Magnetic head and magnetic recording-reproducing apparatus 失效
标题翻译：磁头和磁记录再现装置
公开(公告)号：US20080144230A1
公开(公告)日：2008-06-19
申请号：US12000283
申请日：2007-12-11
申请人： Akimasa Kaizu , Yoshikazu Soeno , Kazuya Shimakawa
发明人： Akimasa Kaizu , Yoshikazu Soeno , Kazuya Shimakawa
IPC分类号： G11B5/33
CPC分类号： G11B5/1278 , B82Y10/00 , G11B5/11 , G11B5/232 , G11B5/3116 , G11B5/3146 , G11B5/315 , G11B5/743 , G11B5/82 , G11B5/855
摘要： A magnetic recording-reproducing apparatus includes: a magnetic recording medium in which portions corresponding to track portions serve as recording areas and in which portions between the recording areas serve as non-recording areas; and a magnetic head having a main pole and a side shield disposed on both sides of the main pole in a cross-track direction. In the magnetic recording-reproducing apparatus, following inequality (I) is satisfied: S>Tw/2+Gw (I) where Tw is a track width, Gw is a gap width, and S is a distance between the center of the main pole of the magnetic head and an edge on the main pole side of each of the side shields.
摘要翻译：磁记录再现装置包括：磁记录介质，其中对应于轨道部分的部分用作记录区域，并且记录区域之间的部分用作非记录区域; 以及磁头，其具有设置在所述主极的横向方向的两侧上的主极和侧面屏蔽。在磁记录重放装置中，满足以下不等式（I）：<？in-line-formula description =“In-line formula”end =“lead”？> S> Tw / 2 + Gw（I）在线公式描述=“在线公式”end =“tail”？>其中Tw是轨道宽度，Gw是间隙宽度，S是磁头的主极的中心与每个侧护板的主极侧上的边缘。

6. 发明授权

US07203025B2 Magnetic recording medium, magnetic head, and magnetic recording and reproducing device 失效
标题翻译：磁记录介质，磁头和磁记录和再现装置
公开(公告)号：US07203025B2
公开(公告)日：2007-04-10
申请号：US11107926
申请日：2005-04-18
申请人： Akimasa Kaizu , Yoshikazu Soeno
发明人： Akimasa Kaizu , Yoshikazu Soeno
IPC分类号： G11B5/596
CPC分类号： G11B5/3967 , G11B5/1278
摘要： The magnetic recording and reproducing device has a magnetic recording medium, a recording head for writing magnetic data on the magnetic recording medium, and a reproducing head for reading magnetic data from the magnetic recording medium. In the magnetic recording medium, each track is formed by a convex portion with a predetermined track width, and a plurality of the tracks are arranged in parallel at intervals of a predetermined track gap. The relationship represented by the following formula (I) is satisfied: {Tw+(2×Tg)}/1.2≧MWw (I) wherein Tw represents the track width, Tg represents the track gap, and MWw represents the magnetic write width of the recording head.
摘要翻译：磁记录和再现装置具有磁记录介质，用于将磁数据写入磁记录介质的记录头和用于从磁记录介质读取磁数据的再现头。在磁记录介质中，每个轨道由具有预定轨道宽度的凸部形成，并且多个轨迹以预定轨迹间隔的间隔平行布置。由下式（I）表示的关系是令人满意的

7. 发明申请

US20060050426A1 Magnetic recording medium, magnetic recording/reproducing apparatus, and stamper for manufacturing the magnetic recording medium 失效
标题翻译：磁记录介质，磁记录/再现装置和用于制造磁记录介质的压模
公开(公告)号：US20060050426A1
公开(公告)日：2006-03-09
申请号：US11213786
申请日：2005-08-30
申请人： Akimasa Kaizu , Makoto Moriya , Yoshikazu Soeno
发明人： Akimasa Kaizu , Makoto Moriya , Yoshikazu Soeno
IPC分类号： G11B5/86 , G11B5/09
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/743 , G11B5/865
摘要： A reliable magnetic recording medium is provided which comprises a servo signal unit portions formed in a concavo-convex shape, easily produced, and resistant to tracking error. Also provided are a magnetic recording/reproducing apparatus which incorporates the magnetic recording medium, and a stamper for manufacturing the magnetic recording medium with efficiency. The magnetic recording medium includes a recording layer divided into a plurality of data areas and a plurality of servo areas to record information. The recording layer is formed in a concavo-convex shape in each servo area, with a servo signal unit portions formed as either a convex portions or a concave portions of the concavo-convex shape. Of the servo signal unit portions, the burst signal unit portion for tracking is generally elliptical in shape when viewed from the direction of thickness.
摘要翻译：提供了一种可靠的磁记录介质，其包括形成为凹凸形状的伺服信号单元部分，容易产生并且抗跟踪误差。还提供了一种结合有磁记录介质的磁记录/再现装置和用于制造磁记录介质的压模。磁记录介质包括被划分为多个数据区域的记录层和用于记录信息的多个伺服区域。记录层在每个伺服区域中形成为凹凸形状，其中伺服信号单元部分形成为凹凸形状的凸部或凹部。在伺服信号单元部分中，当从厚度方向观察时，用于跟踪的突发信号单元部分的形状通常为椭圆形。

8. 发明申请

US20050254157A1 Magnetic recording medium, magnetic head, and magnetic recording and reproducing device 失效
标题翻译：磁记录介质，磁头和磁记录和再现装置
公开(公告)号：US20050254157A1
公开(公告)日：2005-11-17
申请号：US11107926
申请日：2005-04-18
申请人： Akimasa Kaizu , Yoshikazu Soeno
发明人： Akimasa Kaizu , Yoshikazu Soeno
IPC分类号： G11B5/82 , G11B5/012 , G11B5/02 , G11B5/127 , G11B5/187 , G11B5/39 , G11B20/12 , G11B21/02
CPC分类号： G11B5/3967 , G11B5/1278
摘要： The magnetic recording and reproducing device has a magnetic recording medium, a recording head for writing magnetic data on the magnetic recording medium, and a reproducing head for reading magnetic data from the magnetic recording medium. In the magnetic recording medium, each track is formed by a convex portion with a predetermined track width, and a plurality of the tracks are arranged in parallel at intervals of a predetermined track gap. The relationship represented by the following formula (I) is satisfied: {Tw+(2×Tg)}/1.2≧MWw (I) wherein Tw represents the track width, Tg represents the track gap, and MWw represents the magnetic write width of the recording head.
摘要翻译：磁记录和再现装置具有磁记录介质，用于将磁数据写入磁记录介质的记录头和用于从磁记录介质读取磁数据的再现头。在磁记录介质中，每个轨道由具有预定轨道宽度的凸部形成，并且多个轨迹以预定轨迹间隔的间隔平行布置。满足以下公式（I）表示的关系：<？in-line-formula description =“In-line Formulas”end =“lead”？> {Tw +（2xTg）} / 1.2> = MWw（I）其中，Tw表示轨道宽度，Tg表示轨道间隙，MWw表示记录头的磁写入宽度。“in-line-formula description =”In-line Formulas“end =”tail“？

9. 发明申请

US20050095402A1 Magnetic recording medium and magnetic recording device 失效
标题翻译：磁记录介质和磁记录装置
公开(公告)号：US20050095402A1
公开(公告)日：2005-05-05
申请号：US10948322
申请日：2004-09-24
申请人： Akimasa Kaizu , Yoshikazu Soeno
发明人： Akimasa Kaizu , Yoshikazu Soeno
IPC分类号： G11B5/667 , G11B5/64 , G11B5/65 , G11B5/738 , G11B5/855 , B32B3/30 , B32B15/00
CPC分类号： G11B5/855 , G11B5/64 , Y10T428/265 , Y10T428/32
摘要： A magnetic recording medium which has a high areal density and reduced power consumption for recording operations, and a magnetic recording device incorporating the magnetic recording medium. The magnetic recording medium has an upper soft magnetic layer formed uniformly along a plane including the upper surface of a recording layer over the convex and concave portions of a concavo-convex pattern in the recording layer.
摘要翻译：一种磁记录介质，其具有高的面密度和降低的用于记录操作的功耗，以及包含磁记录介质的磁记录装置。磁记录介质具有沿着包括记录层中的凹凸图案的凸部和凹部的记录层的上表面的平面均匀地形成的上软磁层。

10. 发明授权

US08611045B2 Magnetic recording apparatus 有权
标题翻译：磁记录装置
公开(公告)号：US08611045B2
公开(公告)日：2013-12-17
申请号：US13248187
申请日：2011-09-29
申请人： Akimasa Kaizu , Tsutomu Aoyama , Yoshikazu Soeno
发明人： Akimasa Kaizu , Tsutomu Aoyama , Yoshikazu Soeno
IPC分类号： G11B5/39
CPC分类号： G11B5/3146 , G11B5/66 , G11B2005/0024
摘要： A magnetic recording apparatus includes a magnetic recording medium that is provided with a first magnetic layer with magneto crystalline anisotropy energy, a second magnetic layer with magneto crystalline anisotropy energy that is smaller than the magneto crystalline anisotropy energy of the first magnetic layer, and a nonmagnetic metal layer that is positioned between the first magnetic layer and the second magnetic layer and that provides coupling force between the first magnetic layer and the second magnetic layer; and a magnetic head that includes a main pole that applies a recording magnetic field in a direction perpendicular to a film surface of the magnetic recording medium to the magnetic recording medium, and an alternate current (AC) magnetic field generator that applies an AC magnetic field with a frequency of 1-40 GHz to the magnetic recording medium.
摘要翻译：磁记录装置包括具有磁结晶各向异性能的第一磁性层的磁记录介质，具有小于第一磁性层的磁结晶各向异性能的磁结晶各向异性能的第二磁性层，以及非磁性金属层，其位于第一磁性层和第二磁性层之间，并且在第一磁性层和第二磁性层之间提供耦合力; 以及磁头，其包括在垂直于磁记录介质的膜表面的方向上向磁记录介质施加记录磁场的主极和施加AC磁场的交流（AC）磁场发生器具有1-40GHz的频率到磁记录介质。

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