公开(公告)号：SG169402A1

公开(公告)日：2011-03-30

申请号：SG2011009024

申请日：2011-02-08

Applicant: KONICA MINOLTA OPTO INC

Inventor： UEDA HIROAKI ,  MORIKAWA MASAHIRO ,  KAWAI HIDEKI

Abstract: Provided is a magnetic recording medium substrate suitable for preparation of a DT medium and a patterned medium, and the magnetic recording medium substrate is possible to be of easy preparation of the DT medium and the patterned medium with no complicated processes. Disclosed is a magnetic recording medium substrate comprising a circular plate-shaped substrate made of a nonmagnetic base material, wherein a predetermined region of a surface of the substrate to form a magnetic film on the surface is more roughened than another region of the surface. When forming a magnetic film on this substrate, the magnetic film is formed in the region of the substrate surface, which is more roughened than the other region, to easily prepare the DT medium and the patterned medium.

公开(公告)号：SG169401A1

公开(公告)日：2011-03-30

申请号：SG2011009016

申请日：2011-02-08

Applicant: KONICA MINOLTA OPTO INC

Inventor： UEDA HIROAKI ,  MORIKAWA MASAHIRO ,  KAWAI HIDEKI

Abstract: Provided is a magnetic recording medium substrate suitable for preparation of a DT medium and a patterned medium, and the magnetic recording medium substrate is possible to be of easy preparation of the DT medium and the patterned medium with no complicated processes. Disclosed is a magnetic recording medium substrate comprising a circular plate-shaped substrate made of a nonmagnetic base material, wherein a predetermined region of a surface of the substrate to form a magnetic film on the surface is more roughened than another region of the surface. When forming a magnetic film on this substrate, the magnetic film is formed in the region of the substrate surface, which is more roughened than the other region, to easily prepare the DT medium and the patterned medium.

公开(公告)号：JP2010073270A

公开(公告)日：2010-04-02

申请号：JP2008240972

申请日：2008-09-19

Applicant: Konica Minolta Opto Inc ,  コニカミノルタオプト株式会社

Inventor： UEDA HIROAKI

IPC: G11B5/31

Abstract: PROBLEM TO BE SOLVED: To provide technology for simplifying device configuration by suppressing loss during supply of a high frequency drive current and delay of a phase in a magnetic recording device.
SOLUTION: Head mechanism of a magnetic recording device includes a head slider, a suspension holding the head slider, an arm holding the suspension, a light source part emitting a laser beam, and a photodiode provided at the head slider and receiving the laser beam, and generating a current in accordance with light receiving quantity. The magnetic head has a coercive-force reducing element that locally reduces coercive force for the surface of the magnetic recording medium using current generated by the photodiode as a driving force.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供通过抑制在高频驱动电流的供给期间的损耗和磁记录装置中的相位的延迟来简化装置配置的技术。 解决方案：磁记录装置的头机构包括磁头滑动器，保持磁头滑块的悬架，保持悬架的臂，发射激光束的光源部分和设置在磁头滑动器处的光电二极管， 激光束，并根据光接收量产生电流。 磁头具有矫顽力降低元件，其使用由光电二极管产生的电流作为驱动力来局部地减小磁记录介质的表面的矫顽力。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009283051A

公开(公告)日：2009-12-03

申请号：JP2008132952

申请日：2008-05-21

Applicant: Konica Minolta Opto Inc ,  コニカミノルタオプト株式会社

Inventor： UEDA HIROAKI ,  OSAWA KO

IPC: G11B5/31 ,  G11B5/02 ,  G11B5/60

Abstract: PROBLEM TO BE SOLVED: To provide an optical element which can efficiently condense and emit though it is compact and has simple constitution. SOLUTION: The optical element includes a core layer, of which the contour shape of a part is a parabola and of which the distal end part is a flat plane, and a clad layer, in contact with the core layer and the optical element converges light coupled to the core layer to a focal point of the parabola and emits the converged light from the distal end part. In the optical element, a diffraction grating which guides projected light into the inside of the core layer and couples the guided light as light, proceeding in a direction perpendicular to the axis of the parabola, and a deflection part which deflects the light proceeding in the direction perpendicular to the axis of the parabola, in a direction parallel to the axis of the parabola are formed in the core layer, and in the diffraction grating, a plurality of grooves are formed, in parallel with the axis of the parabola with the prescribed period. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 解决的问题：提供一种虽然紧凑且能够简单构成的能够有效地冷凝和发射的光学元件。 解决方案：光学元件包括芯层，其一部分的轮廓形状是抛物线，并且其远端部分是平面，以及与芯层和光学器件接触的包层 元件将耦合到芯层的光会聚到抛物线的焦点并发射来自远端部分的会聚光。 在光学元件中，衍射光栅将投射的光引导到芯层的内部并将引导光以垂直于抛物线的轴线的方向进行的光引导，以及偏转部，其使在 在芯层中形成与抛物线的轴平行的方向垂直于抛物线的方向的方向，在衍射光栅中，形成多个与抛物线的轴线平行的规定的规定的槽 期。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2007310958A

公开(公告)日：2007-11-29

申请号：JP2006138724

申请日：2006-05-18

Applicant: Konica Minolta Opto Inc ,  コニカミノルタオプト株式会社

Inventor： KUISEKO MANAMI ,  NISHIDA NAOKI ,  UEDA HIROAKI ,  KONNO KENJI ,  HATANO HIROSHI ,  OKITSU MASAHIRO ,  SEKINE KOJIRO

IPC: G11B7/135

CPC classification number: G11B5/6088 ,  G11B5/314 ,  G11B2005/0021

Abstract: PROBLEM TO BE SOLVED: To provide an optical recording head which is of a small type and is used for an optical recording head attaining high density recording, and to provide an optical recording apparatus.
SOLUTION: The optical recording head comprises: a light source to emit light; one piece of light guiding optical device having a reflecting surface formed of a part of an ellipsoid of rotation using the light source and a point where a light spot is formed by reflecting the light from the light source as the two focal points, or one piece of light guiding optical device forming the reflecting surface using the light source and the point where the light spot is formed by reflecting the light from the light source as the two focal points, by combining two pieces of planes formed of parts of either a paraboloid of rotation or an ellipsoid of rotation; and an optical waveguide which has an optical plane of incidence perpendicular to the direction in which the light spot is formed and the luminous flux forming the light spot converges, and guides the incident light spot to irradiate a recording medium therewith.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种小型的光学记录头，并用于获得高密度记录的光学记录头，并提供光学记录装置。 解决方案：光记录头包括：发光的光源; 一个导光光学装置，其具有由使用该光源的一部分旋转椭圆体形成的反射面和通过反射来自光源的光作为两个焦点而形成光点的点，或一个 使用光源形成反射面的光导光学装置和通过反射来自光源的光作为两个焦点而形成光点的点，通过组合由抛物面的抛物面的部分构成的两个平面 旋转或椭圆旋转; 以及具有垂直于形成有光斑的方向入射的光学平面并形成光点的光束的光波导会聚，引导入射光点照射记录介质。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2012069237A

公开(公告)日：2012-04-05

申请号：JP2011232003

申请日：2011-10-21

Applicant: Konica Minolta Opto Inc ,  コニカミノルタオプト株式会社

Inventor： NISHIDA NAOKI ,  UEDA HIROAKI ,  KUISEKO MANAMI ,  SEKINE KOJIRO ,  KONNO KENJI ,  OKITSU MASAHIRO ,  HATANO HIROSHI

IPC: G11B5/60 ,  G11B5/02 ,  G11B5/31 ,  G11B7/12 ,  G11B7/135

CPC classification number: G11B5/314 ,  B82Y10/00 ,  G11B7/00454 ,  G11B7/124 ,  G11B7/1359 ,  G11B7/1378 ,  G11B7/1387 ,  G11B11/10532 ,  G11B11/10554 ,  G11B2005/0021 ,  G11B2007/13727

Abstract: PROBLEM TO BE SOLVED: To provide a recording head capable of recording high density information with a small light spot, and a recorder thereof.SOLUTION: A recorder 10 using a magnetic field and light for information recording to a recording medium 2 has: a slider for moving to the recording medium in a non-contact state; a light source; an optical waveguide arranged at a position facing the recording medium of the slider to emit light from the light source onto the recording medium; and a magnetic recording element. The optical waveguide is composed of a clad, a subcore arranged in the clad with incident light connected thereto, and a core, the incident side of which can not form a propagation mode, having a portion which corresponds to the length of the subcore and whose cross section perpendicular to a light advancing direction expands in the light advancing direction. A plasmon probe for near-field light generation is provided near a light emitting position of the optical waveguide, and recording is performed by heat of light form the probe and magnetism from the magnetic recording medium. When a mode field diameter of a light output side of the optical waveguide is defined as d and a mode field diameter of a light input side of the optical waveguide is defined as D, D>d is satisfied.

Abstract translation: 要解决的问题：提供一种能够利用小光点记录高密度信息的记录头及其记录器。 解决方案：使用磁场的记录器10和用于信息记录到记录介质2的光具有：用于以非接触状态移动到记录介质的滑块; 光源; 布置在面向滑块的记录介质的位置处的光波导，以将光从光源发射到记录介质上; 和磁记录元件。 光波导由包层，配置在与包含入射光的包层中的子芯组成，芯的入射侧不能形成传播模式，具有对应于子核的长度的部分， 垂直于光前进方向的横截面在光前进方向上扩展。 在光波导的发光位置附近设置用于近场光产生的等离子体探针，并且通过来自磁记录介质的探针的光和磁性进行记录。 当将光波导的光输出侧的模场直径定义为d，将光波导的光输入侧的模场直径定义为D时，则D> d。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2009277285A

公开(公告)日：2009-11-26

申请号：JP2008127007

申请日：2008-05-14

Applicant: Konica Minolta Opto Inc ,  コニカミノルタオプト株式会社

Inventor： UEDA HIROAKI

IPC: G11B5/60 ,  G11B5/02 ,  G11B5/31 ,  G11B7/12

Abstract: PROBLEM TO BE SOLVED: To provide a head mechanism capable of thinning an optical assist type magnetic recording device by separating a light source and a recording head from each other and accurately disposing the light source, the optical assist type magnetic recording device, and an optical recording device. SOLUTION: The head mechanism includes a light source part attached to a suspension close to a head slider and configured to emit a laser light, and to float and travel on a recording medium separately from the head slider. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 解决问题的方案：提供一种能够通过将光源和记录头彼此分离并精确地设置光源来减弱光辅助型磁记录装置的头机构，光辅助型磁记录装置， 和光记录装置。 解决方案：头机构包括附接到靠近磁头滑块的悬架的光源部分，并被配置为发射激光，并且与磁头滑块分开地浮动和行进在记录介质上。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2008010065A

公开(公告)日：2008-01-17

申请号：JP2006179228

申请日：2006-06-29

Applicant: Konica Minolta Opto Inc ,  コニカミノルタオプト株式会社

Inventor： NISHIDA NAOKI ,  UEDA HIROAKI ,  KUISEKO MANAMI ,  SEKINE KOJIRO ,  HATANO HIROSHI ,  KONNO KENJI ,  OKITSU MASAHIRO

IPC: G11B7/135 ,  G11B7/22

Abstract: PROBLEM TO BE SOLVED: To provide an optical head in which increment of floating quantity is suppressed and good optical-assist is achieved, and a manufacturing method of the optical head. SOLUTION: In the optical head which has a condensing element, and a slider supporting the condensing element, and in which light is made incident on the condensing element, and is converged on a plane opposing to a recording medium of the slider to record information in the recording medium, the condensing element is provided at a concave part of the slider. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种光学头，其中浮动量的增加被抑制并且实现良好的光学辅助，以及光学头的制造方法。 解决方案：在具有聚光元件的光学头和支撑聚光元件的光滑头中，入射到聚光元件上的光被聚焦在与滑块的记录介质相对的平面上 在记录介质中记录信息，所述聚光元件设置在滑块的凹部。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2007257753A

公开(公告)日：2007-10-04

申请号：JP2006081990

申请日：2006-03-24

Applicant: Konica Minolta Opto Inc ,  コニカミノルタオプト株式会社

Inventor： NISHIDA NAOKI ,  UEDA HIROAKI ,  KUISEKO MANAMI ,  SEKINE KOJIRO ,  KONNO KENJI ,  OKITSU MASAHIRO ,  HATANO HIROSHI

IPC: G11B5/02 ,  G11B7/135 ,  G11B11/10

Abstract: PROBLEM TO BE SOLVED: To provide a compact micro optical recording head for recording information at a high density and a small optical spot, and its manufacturing method: the micro optical recording device; an optical assist type magnetic recording head, its manufacturing method, and an optical assist type magnetic recording device. SOLUTION: The micro optical recording head for using a light for recoding information in a recording medium includes a slider 11 relatively moved while floating on the recording medium. The slider 11 includes an optical waveguide constituted of a core 31, a subcore 32, and a clad 33, and a plasmon probe 30 disposed in its condensing part. When the core 31 of the optical waveguide is formed, a core layer is formed up to the middle part, the plasmon probe 30 is formed in a part near the center of the core 31 from above and, when the core layer is formed after a remaining core layer is formed, the thick plasmon probe 30 is buried in the optical waveguide. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种用于以高密度和小光点记录信息的紧凑型微光记录头及其制造方法：微光记录装置; 光辅助型磁记录头，其制造方法和光辅助型磁记录装置。 解决方案：用于使用记录介质中的信息重新编码的光的微型光学记录头包括在浮动在记录介质上时相对移动的滑块11。 滑块11包括由芯31，子芯32和包层33构成的光波导和设置在其聚光部分中的等离子体探针30。 当形成光波导的芯31时，在中间形成芯层，等离子体探针30从上方形成在芯31的中心附近的部分，并且当芯层形成在 形成剩余的芯层，厚的等离子体探针30被埋在光波导中。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2012043531A

公开(公告)日：2012-03-01

申请号：JP2011234851

申请日：2011-10-26

Applicant: Konica Minolta Opto Inc ,  コニカミノルタオプト株式会社

Inventor： UEDA HIROAKI ,  MORIKAWA MASAHIRO ,  KAWAI HIDEKI

IPC: G11B5/73 ,  G11B5/64 ,  G11B5/738 ,  G11B5/84 ,  G11B5/851

CPC classification number: G11B5/8404 ,  G11B5/7315

Abstract: PROBLEM TO BE SOLVED: To provide a substrate for magnetic recording medium suitable for manufacturing DT media and patterned media, which requires no complex process and enables simple manufacturing of the DT media and patterned media.SOLUTION: The substrate for magnetic recording medium uses non-magnetic base material of discoid shape as a substrate, and wettability in a prescribed region to form a magnetic film on a substrate surface is different from wettability of other regions.

Abstract translation: 要解决的问题：提供适合于制造DT介质和图案化介质的磁记录介质的基板，其不需要复杂的工艺并且能够简单地制造DT介质和图案化介质。 解决方案：用于磁记录介质的基板使用盘状的非磁性基材作为基板，并且在规定区域中在基板表面上形成磁性膜的润湿性不同于其它区域的润湿性。 版权所有（C）2012，JPO＆INPIT