公开(公告)号：US20100230384A1

公开(公告)日：2010-09-16

申请号：US12723114

申请日：2010-03-12

Applicant: Seiji Morita ,  Kazuyo Umezawa ,  Masatoshi Sakurai

Inventor： Seiji Morita ,  Kazuyo Umezawa ,  Masatoshi Sakurai

IPC: B29C59/02 ,  C08F2/46

CPC classification number: H01L21/02118 ,  B82Y10/00 ,  B82Y40/00 ,  C08F2/48 ,  G03F7/0002 ,  G03F7/027 ,  G11B5/855

Abstract: According to one embodiment, an ultraviolet-curing resin material for pattern transfer contains at least one of 2-methyl-2-adamantyl acrylate, 2-ethyl-2-adamantyl acrylate, and 1,3-adamantanedimethanol diacrylate, isobornyl acrylate, polyfunctional acrylate, and a polymerization initiator, or contains at least one of the acrylates described above, a polymerization initiator, and fluorine-based alcohol.

Abstract translation: 根据一个实施方案，用于图案转印的紫外线​​固化树脂材料包含丙烯酸2-甲基-2-金刚烷基酯，丙烯酸2-乙基-2-金刚烷基酯和二丙烯酸1,3-金刚烷二甲醇酯，丙烯酸异冰片酯，多官能丙烯酸酯中的至少一种 ，聚合引发剂，或含有上述丙烯酸酯，聚合引发剂和氟系醇中的至少一种。

公开(公告)号：US07771602B2

公开(公告)日：2010-08-10

申请号：US11475873

申请日：2006-06-28

Applicant: Yoshiyuki Kamata ,  Katsuyuki Naito ,  Akira Kikitsu ,  Masatoshi Sakurai ,  Masahiro Oka

Inventor： Yoshiyuki Kamata ,  Katsuyuki Naito ,  Akira Kikitsu ,  Masatoshi Sakurai ,  Masahiro Oka

IPC: B05D5/12 ,  B05D3/00 ,  B44C1/22 ,  C23F1/00

CPC classification number: C23F4/00 ,  B82Y10/00 ,  G11B5/012 ,  G11B5/743 ,  G11B5/82 ,  G11B5/855 ,  H01J2237/30466 ,  H01J2237/3174

Abstract: According to one embodiment, a method for manufacturing a magnetic recording medium includes forming patterns having protrusions and recesses of a ferromagnetic material onto a recording track section and a servo section on a substrate, forming a flattening film, a top surface of which is higher than that of the protrusion of the ferromagnetic material, onto the ferromagnetic material, and performing ion beam etching onto the flattening film up to a top surface of the protrusion of the ferromagnetic material, and determining an end point of flattening etching on the basis of a change in the total number of incident particles by means of an ion counter installed so as to be at an angle θ with respect to a perpendicular direction to the substrate in accordance with a material of the flattening film.

Abstract translation: 根据一个实施例，一种制造磁记录介质的方法包括将具有铁磁材料的突起和凹陷的图案形成在记录轨道部分和基板上的伺服部分上，形成平坦化膜，其顶表面高于 将铁磁材料的突出部分突出到铁磁材料上，并且对平坦化膜进行离子束蚀刻直到铁磁材料的突起的顶表面，并且基于变化确定平坦化蚀刻的终点 在通过以与角度为角度安装的离子计数器的入射颗粒的总数中; 相对于基板的垂直方向，根据平坦化膜的材料。

公开(公告)号：US20100177425A1

公开(公告)日：2010-07-15

申请号：US12730912

申请日：2010-03-24

Applicant: Masatoshi SAKURAI ,  Seiji Morita ,  Akira Kikitsu ,  Yoshiyuki Kamata

Inventor： Masatoshi SAKURAI ,  Seiji Morita ,  Akira Kikitsu ,  Yoshiyuki Kamata

IPC: G11B5/09

CPC classification number: B82Y10/00 ,  G11B5/743 ,  G11B5/746 ,  G11B5/82 ,  G11B5/865

Abstract: A magnetic recording medium has a RAM region and a ROM region. The RAM region includes a plurality of first tracks each having a first magnetic portion. The first magnetic portions in adjacent tracks are separated from each other. The ROM region includes a plurality of second tracks each having a second magnetic portion. A width of the second magnetic portions in a direction perpendicular to a track direction of the first tracks is larger than that of the first magnetic portions in the perpendicular direction.

Abstract translation: 磁记录介质具有RAM区域和ROM区域。 RAM区域包括多个具有第一磁性部分的第一轨道。 相邻轨道中的第一磁性部分彼此分离。 ROM区域包括多个具有第二磁性部分的第二磁道。 第二磁性部分在与第一磁道的轨道方向垂直的方向上的宽度大于垂直方向上的第一磁性部分的宽度。

公开(公告)号：US20090317662A1

公开(公告)日：2009-12-24

申请号：US12548374

申请日：2009-08-26

Applicant: Yosuke Isowaki ,  Satoshi Shirotori ,  Yoshiyuki Kamata ,  Kaori Kimura ,  Masatoshi Sakurai

Inventor： Yosuke Isowaki ,  Satoshi Shirotori ,  Yoshiyuki Kamata ,  Kaori Kimura ,  Masatoshi Sakurai

IPC: G11B5/66 ,  B44C1/22

CPC classification number: G11B5/855

Abstract: A magnetic recording medium has magnetic patterns formed of a patterned ferromagnetic layer, and a non-magnetic layer including a component of the ferromagnetic layer and separating the magnetic patterns, in which a thickness “a” of the non-magnetic layer and a thickness “b” of the magnetic patterns satisfy a relationship of: a

Abstract translation: 磁记录介质具有由图案化的铁磁层形成的磁图案和包含铁磁性层的成分的非磁性层，并分离磁性图案，其中非磁性层的厚度“a”和厚度“ 磁性图案的“b”满足以下关系：a

公开(公告)号：US20090314648A1

公开(公告)日：2009-12-24

申请号：US12490139

申请日：2009-06-23

Applicant: Ryoichi Takahashi ,  Masatoshi Sakurai

Inventor： Ryoichi Takahashi ,  Masatoshi Sakurai

IPC: C25D5/48

CPC classification number: C25D5/022 ,  B82Y10/00 ,  C25D1/10 ,  C25D1/20 ,  G11B5/743 ,  G11B5/82 ,  G11B5/855

Abstract: According to one embodiment, a method of manufacturing a stamper used for manufacturing a magnetic recording medium having magnetic patterns corresponding to servo areas including a preamble section, an address section and a burst section and data areas including discrete tracks, the method includes forming additional resist patterns such that protrusions and recesses appear alternately in the radial direction in the preamble section and/or address section, in forming resist patterns corresponding to the servo areas including the preamble section, the address section and the burst section and data areas including discrete tracks are formed on a master plate, depositing a conductive film on the entire surface of the master plate and resist patterns, followed by electroforming a metal layer, and peeling off the metal layer from the master plate.

Abstract translation: 根据一个实施例，一种制造用于制造具有对应于包括前导码部分，地址部分和突发部分的伺服区域的磁图案的磁记录介质的压模的方法以及包括分立轨道的数据区域的方法，所述方法包括形成附加抗蚀剂 在形成与包括前导码部分，地址部分和突发部分以及包括离散磁道的数据区域在内的伺服区域相对应的抗蚀剂图案的情况下，在前导部分和/或地址部分中，沿径向交替出现凸起和凹陷的图案是 形成在母板上，在主板的整个表面上沉积导电膜并抗蚀图案，然后电铸金属层，并从母板剥离金属层。

公开(公告)号：US20090195929A1

公开(公告)日：2009-08-06

申请号：US12400446

申请日：2009-03-09

Applicant: Yoshiyuki Kamata ,  Satoshi Shirotori ,  Kaori Kimura ,  Masatoshi Sakurai

Inventor： Yoshiyuki Kamata ,  Satoshi Shirotori ,  Kaori Kimura ,  Masatoshi Sakurai

IPC: G11B5/82 ,  B44C1/22

CPC classification number: G11B5/855

Abstract: According to one embodiment, a method of manufacturing a discrete track recording medium includes forming protruded magnetic patterns on a substrate, and repeating processes of depositing a nonmagnetic material so as to be filled in recesses between the magnetic patterns and etching back the nonmagnetic material two or more times with rotating the substrate in a plane thereof by an angle less than one revolution.

Abstract translation: 根据一个实施例，制造离散轨道记录介质的方法包括在基板上形成突出的磁图案，并且重复沉积非磁性材料以便填充在磁性图案之间的凹部中并且蚀刻非磁性材料2或 更多次，使基板在其平面内以小于一转的角度旋转。

公开(公告)号：US20090168228A1

公开(公告)日：2009-07-02

申请号：US12338962

申请日：2008-12-18

Applicant: Hideo Sado ,  Masatoshi Sakurai ,  Yuji Sakai

Inventor： Hideo Sado ,  Masatoshi Sakurai ,  Yuji Sakai

IPC: G11B5/596

CPC classification number: G11B5/59688 ,  G11B5/59655 ,  G11B5/59666

Abstract: According to one embodiment, a disk drive has a DTM type disk. The DTM type disk has a servo area on one recording surface. In the servo area, a servo pattern is recorded. The servo pattern is composed of a projection-depression pattern and an N- and P-pole magnetic pattern. The N- and P-pole magnetic pattern is recorded in an address-data region that contains a cylinder code.

Abstract translation: 根据一个实施例，磁盘驱动器具有DTM型磁盘。 DTM型盘在一个记录表面上具有伺服区。 在伺服区域中，记录伺服模式。 伺服图案由投影凹陷图案和N极和P极磁图案组成。 N极和P极磁性图案被记录在包含气缸代码的地址数据区域中。

公开(公告)号：US07503123B2

公开(公告)日：2009-03-17

申请号：US11772476

申请日：2007-07-02

Applicant: Shunji Matsuo ,  Homu Takayama ,  Takanori Yachi ,  Masatoshi Sakurai

Inventor： Shunji Matsuo ,  Homu Takayama ,  Takanori Yachi ,  Masatoshi Sakurai

IPC: G01C15/00 ,  G01C1/04

CPC classification number: G01C15/00 ,  G01C1/04

Abstract: A surveying apparatus is provided that includes a sighting telescope, an imaging device, and an external orientation parameter calculator. The sighting telescope is rotatable about a horizontal axis and a vertical axis. The imaging device is integrally rotated with the sighting telescope and the imaging device has an optical axis that is different from the collimation axis. The external orientation parameter calculator calculates external orientation parameters of stereo images that are obtained by the imaging device in an erecting observation and in an inverse observation in terms of the position of the optical axis with respect to the collimation axis, and the sighting directions in the erection observation and in the inverse observation.

Abstract translation: 提供了一种测量装置，其包括瞄准望远镜，成像装置和外部取向参数计算器。 瞄准望远镜可绕水平轴线和垂直轴线旋转。 成像装置与瞄准望远镜一体旋转，并且成像装置具有不同于准直轴的光轴。 外部取向参数计算器计算在垂直观察中由成像装置获得的立体图像的外部取向参数，以及关于光轴相对于准直轴的位置的反向观察，并且在 架设观察和反观察。

公开(公告)号：US20080291572A1

公开(公告)日：2008-11-27

申请号：US12125251

申请日：2008-05-22

Applicant: Masatoshi SAKURAI ,  Makoto ASAKURA

Inventor： Masatoshi SAKURAI ,  Makoto ASAKURA

IPC: G11B5/74 ,  B44C1/22

CPC classification number: G11B5/66 ,  G11B5/65 ,  G11B5/855

Abstract: According to one embodiment, a magnetic recording medium includes recording areas forming protrusions corresponding to servo signals and recording tracks and includes a crystalline magnetic layer, and non-recording areas comprising an amorphous damaged layer left in bottoms of recesses between the recording areas.

Abstract translation: 根据一个实施例，磁记录介质包括形成对应于伺服信号和记录轨道的突起的记录区域，并且包括晶体磁性层，以及包括留在记录区域之间的凹槽底部的无定形损伤层的非记录区域。

公开(公告)号：US07314833B2

公开(公告)日：2008-01-01

申请号：US11476038

申请日：2006-06-28

Applicant: Yoshiyuki Kamata ,  Katsuyuki Naito ,  Akira Kikitsu ,  Masatoshi Sakurai ,  Masahiro Oka

Inventor： Yoshiyuki Kamata ,  Katsuyuki Naito ,  Akira Kikitsu ,  Masatoshi Sakurai ,  Masahiro Oka

IPC: H01L21/302

CPC classification number: G03F7/0002 ,  B08B7/0092 ,  B82Y10/00 ,  B82Y40/00 ,  G11B5/8404 ,  G11B5/855

Abstract: According to one embodiment, a method for manufacturing a substrate for a discrete track recording media, the method includes forming an imprint resist layer on a substrate, imprinting, on the imprint resist layer, a stamper formed with patterns of protrusions and recesses corresponding to recording track zones and servo zones to transfer the patterns of protrusions and recesses to the imprint resist layer, removing the stamper from the imprint resist layer, and diffusing liquefied CO2 in a process chamber set at a pressure of 2 to 5 atm, diffusing liquefied H2O in the process chamber set at a pressure of 0.01 to 1 atm, or diffusing a reactive gas selected from a group consisting of liquefied CF4, CHF3, SF6, and C2F6 in the process chamber set at an arbitrary pressure, to jet spray the liquefied gas onto a surface of the substrate.

Abstract translation: 根据一个实施例，一种用于制造用于离散轨道记录介质的基板的方法，所述方法包括在基板上形成压印抗蚀剂层，在压印抗蚀剂层上压印形成有对应于记录的突起和凹部的图案的压模 轨道区域和伺服区域，以将突起和凹陷的图案转印到抗蚀剂层，从压印抗蚀剂层移除压模，并将液化CO 2扩散到设置在压力为2的处理室中 至5atm，在处理室中扩散液化H 2 O 2，压力为0.01至1atm，或扩散选自液化CF 4 >，CHF 3 3，SF 6 6和C 2 F 6 6在设置在任意压力下的处理室中 将液化气喷射到基板的表面上。