公开(公告)号：US08587903B2

公开(公告)日：2013-11-19

申请号：US13302887

申请日：2011-11-22

申请人： Eriko Ajioka ,  Yoshikazu Soeno

发明人： Eriko Ajioka ,  Yoshikazu Soeno

IPC分类号： G11B5/48 ,  G11B21/16

CPC分类号： G11B5/4833 ,  G11B5/486 ,  G11B5/4866

摘要： A suspension is configured to support a magnetic head slider having a recording head element for recording to a magnetic recording medium and a microwave generating element that applies a high-frequency magnetic field to the magnetic recording medium when recording is conducted by the recording head element. The suspension has a flexure that supports the magnetic head slider, a microwave signal transmission line and a recording signal transmission line. The microwave signal transmission line is connected to the microwave generating element and configured to transmit microwave signals for generating the high-frequency magnetic field. The microwave signal transmission line and the recording signal transmission line are supported between the main body part and the support part, a portion of which has a first lamination structure where a first ground layer is conductive and a first insulating layer supports the microwave signal transmission.

摘要翻译： 悬架被配置为支撑具有用于记录到磁记录介质的记录头元件的磁头滑块和当由记录头元件进行记录时向磁记录介质施加高频磁场的微波产生元件。 悬架具有支撑磁头滑块，微波信号传输线和记录信号传输线的挠曲。 微波信号传输线连接到微波产生元件，并被配置为发送用于产生高频磁场的微波信号。 微波信号传输线和记录信号传输线被支撑在主体部分和支撑部分之间，其一部分具有第一层压结构，其中第一接地层是导电的，第一绝缘层支撑微波信号传输。

公开(公告)号：US20130128382A1

公开(公告)日：2013-05-23

申请号：US13302658

申请日：2011-11-22

申请人： Eriko AJIOKA ,  Yoshikazu SOENO

发明人： Eriko AJIOKA ,  Yoshikazu SOENO

IPC分类号： G11B5/48 ,  G11B21/02

CPC分类号： G11B5/4833 ,  G11B5/486 ,  G11B5/4866 ,  G11B2005/0024

摘要： A suspension is configured to support a magnetic head slider having a recording head element for recording to a magnetic recording medium and a microwave generating element that applies a high-frequency magnetic field to the magnetic recording medium when recording to the magnetic recording medium is conducted by the recording head element. The suspension includes a flexure that supports the magnetic head slider, and a microwave signal transmission line and a recording signal transmission line that are supported by the flexure. The microwave signal transmission line is connected to the microwave generating element and configured to transmit microwave signals for generating the high-frequency magnetic field, the recording signal transmission line being connected to the recording head element and configured to transmit recording signals. The flexure has a main body part, a support part for the magnetic head slider, and a pair of arm parts that links the main body part and the support part. The recording signal transmission line is supported between the main body part and the support part by a separate support part separated from the flexure, the microwave signal transmission line is supported between the main body part and the support part by at least one of the pair of arm parts, and a portion of the one of the arm parts that supports the microwave signal transmission line has a lamination structure in which an insulating layer that supports the microwave signal transmission line on one surface and a substrate whose portion opposing the other surface of the insulating layer has conductivity are laminated.

摘要翻译： 悬架被配置为支撑具有用于记录到磁记录介质的记录头元件的磁头滑块和当向磁记录介质记录时向磁记录介质施加高频磁场的微波产生元件，其通过 记录头元件。 悬架包括支撑磁头滑块的挠曲件，以及由挠曲件支撑的微波信号传输线和记录信号传输线。 微波信号传输线连接到微波产生元件，并被配置为传送用于产生高频磁场的微波信号，记录信号传输线连接到记录头元件并被配置为发送记录信号。 挠曲具有主体部分，用于磁头滑动件的支撑部分和连接主体部分和支撑部分的一对臂部分。 记录信号传输线通过与弯曲部分离的单独的支撑部分支撑在主体部分和支撑部分之间，微波信号传输线由主体部分和支撑部分中的至少一个支撑在主体部分和支撑部分之间， 臂部件和支撑微波信号传输线的一个臂部分的一部分具有层压结构，其中在一个表面上支撑微波信号传输线的绝缘层和与其相反的部分的基板 绝缘层具有导电性层压。

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。

公开(公告)号：US20090034115A1

公开(公告)日：2009-02-05

申请号：US12249061

申请日：2008-10-10

申请人： Yoshikazu SOENO ,  Takahiro SUWA

发明人： Yoshikazu SOENO ,  Takahiro SUWA

IPC分类号： G11B5/596

CPC分类号： G11B5/82 ,  G11B5/59633 ,  G11B5/865

摘要： A servo pattern is formed in a servo pattern region on at least one surface of a substrate of a magnetic recording medium by a concave/convex pattern including a plurality of convex parts, at least protruding end parts of which are formed of magnetic material, and at least one concave part. The servo pattern region includes an address pattern region and a burst pattern region. The at least one concave part is formed in the servo pattern region so that a larger of an inscribed circle with a largest diameter out of inscribed circles on protruding end surfaces of the convex parts formed in the address pattern region and an inscribed circle with a largest diameter out of inscribed circles on protruding end surfaces of the convex parts formed in the burst pattern region is an inscribed circle with a largest diameter out of inscribed circles on protruding end surfaces of the convex parts formed in the servo pattern region.

摘要翻译： 伺服图案通过包括多个凸部的凹凸图案在磁记录介质的基板的至少一个表面上的伺服图案区域中形成，其至少突出端部由磁性材料形成，并且 至少一个凹部。 伺服图案区域包括地址图案区域和突发图案区域。 至少一个凹部形成在伺服图案区域中，使得形成在地址图案区域中的凸起部分的突出端面上的内接圆中具有最大直径的内接圆，并且具有最大的内接圆 形成在突发图案区域的凸部的突出端面上的内接圆的直径是形成在伺服图案区域中的凸部的突出端面上的内接圆的最大直径的内接圆。

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。

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。

公开(公告)号：US07251101B2

公开(公告)日：2007-07-31

申请号：US10751536

申请日：2004-01-06

申请人： Yoshikazu Soeno

发明人： Yoshikazu Soeno

IPC分类号： G11B5/127

CPC分类号： G11B5/488 ,  G11B5/00813

摘要： Both a magnetic recording width and a magnetic reproduction width of a magnetic head are equal to or larger than a combined width of a track width of tracks and double an off-track width of the magnetic head with respect to tracks on a magnetic recording medium during recording and reproduction of recording data, and are equal to or smaller than a width produced by subtracting double the off-track width during recording and reproduction from a combined width of the track width and double a groove width of grooves on the magnetic recording medium.

摘要翻译： 磁头的磁记录宽度和磁再现宽度都等于或大于磁道的磁道宽度和磁头的偏离磁道宽度相对于磁记录介质上的磁道的组合宽度 记录和再现记录数据，并且等于或小于从磁记录介质上的磁道宽度的组合宽度和凹槽的两倍的凹槽宽度在记录和再现期间减去两倍的偏离磁道宽度而产生的宽度。

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

公开(公告)号：US20060062135A1

公开(公告)日：2006-03-23

申请号：US11214813

申请日：2005-08-31

申请人： Yoshikazu Soeno ,  Takahiro Suwa

发明人： Yoshikazu Soeno ,  Takahiro Suwa

IPC分类号： G11B7/24

CPC分类号： G11B5/855 ,  B82Y10/00 ,  G11B5/743 ,  G11B5/82

摘要： On an information recording medium, a data track pattern and a servo pattern composed of a concave/convex pattern including a plurality of convex parts are formed on at least one surface of a substrate and respective concave parts in the concave/convex pattern are filled with non-magnetic material. In the concave/convex pattern that constructs the servo pattern, a unit convex part length along a direction of rotation of the substrate and a unit concave part length along the direction of rotation are set so that the ratio of the unit convex part length to the unit concave part length decreases from an inner periphery to an outer periphery of the information recording medium.

摘要翻译： 在信息记录介质上，在基板的至少一个表面上形成数据轨道图案和由包括多个凸部的凹凸图案构成的伺服图案，并且凹凸图案中的各个凹部填充有 非磁性材料。 在构成伺服图案的凹凸图案中，沿着基板的旋转方向的单位凸部长度和沿着旋转方向的单位凹部长度被设定为使得单位凸部长度与 单位凹部长度从信息记录介质的内周向外周减小。

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。