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41. 发明申请

US20080151728A1 OPTICAL DISC AND OPTICAL DISC DEVICE 审中-公开
标题翻译：光盘和光盘设备
公开(公告)号：US20080151728A1
公开(公告)日：2008-06-26
申请号：US11960383
申请日：2007-12-19
申请人： Keiichiro Yusu , Naomasa Nakamura , Nobuhisa Yoshida , Yasuaki Ootera
发明人： Keiichiro Yusu , Naomasa Nakamura , Nobuhisa Yoshida , Yasuaki Ootera
IPC分类号： G11B7/20
CPC分类号： G11B7/24038 , G11B7/2585 , G11B7/259
摘要： An optical disc is provided which realizes desired optical properties, which has a transmissive reflection layer causing no deformation and the like of minute convex pits, and which can realize superior reproduction properties even when high density recording is performed. The above optical disc has at least three information layers independent with respect to a light incident surface, and a reflection layer formed on an information layer other than the layers most close to and most far from the light incident surface has a thickness of 5 to 20 nm and has a refractive index of 3.0 or more and an extinction coefficient of 0.6 or less with respect to the wavelength of incident laser light. This reflection layer is preferably composed of at least one material selected from the group consisting of Si, a SiCr alloy, a SiNb alloy, a SiW alloy, and SiC.
摘要翻译：提供了实现期望的光学特性的光盘，其具有不产生微小凹坑的变形等的透射反射层，并且即使在执行高密度记录时也可以实现优异的再现特性。上述光盘具有与光入射面独立的至少三个信息层，形成在信息层以外的反射层，其除了与光入射面最近且最远的层以外的信息层的厚度为5〜20 并且相对于入射激光的波长具有3.0以上的折射率和0.6以下的消光系数。该反射层优选由选自Si，SiCr合金，SiNb合金，SiW合金和SiC中的至少一种材料构成。

42. 发明申请

US20070298207A1 Single-sided, multilayered optical disc, BCA recording apparatus, BCA recording method, and optical disc apparatus 审中-公开
标题翻译：单面多层光盘，BCA记录装置，BCA记录方法和光盘装置
公开(公告)号：US20070298207A1
公开(公告)日：2007-12-27
申请号：US11820339
申请日：2007-06-19
申请人： Keiichiro Yusu , Naomasa Nakamura , Nobuhisa Yoshida , Koji Takazawa , Seiji Morita , Hideo Ando
发明人： Keiichiro Yusu , Naomasa Nakamura , Nobuhisa Yoshida , Koji Takazawa , Seiji Morita , Hideo Ando
IPC分类号： B32B3/02
CPC分类号： G11B7/24038 , G11B7/2467 , G11B7/249 , G11B7/259 , G11B7/268
摘要： According to one embodiment, a single-sided, multilayered optical disc which performs recording and playback when irradiated with a laser beam having a predetermined wavelength, and has at least two recording layers that are independent of each other with respect to the light incident surface, a reflecting layer farthest from the light incident surface contains an Ag alloy, and has a light absorbance of 20% (inclusive) to 50% (inclusive) to a laser beam and/or a thermal conductivity of 50 (inclusive) to 250 (inclusive) W/m·K.
摘要翻译：根据一个实施例，一种单面多层光盘，其在用具有预定波长的激光束照射时执行记录和重放，并且具有相对于光入射表面彼此独立的至少两个记录层，离光入射面最远的反射层含有Ag合金，并且对激光束的吸光度为20％（含）〜50％（含），和/或导热系数为50（含）以上且250以下）W / mK

43. 发明申请

US20130259417A1 LIGHT DEFLECTING ELEMENT 有权
标题翻译：光偏转元件
公开(公告)号：US20130259417A1
公开(公告)日：2013-10-03
申请号：US13726953
申请日：2012-12-26
申请人： Yuuzo Kamiguchi , Katsuya Sugawara , Masahiro Kanamaru , Keiichiro Yusu , Masatoshi Sakurai
发明人： Yuuzo Kamiguchi , Katsuya Sugawara , Masahiro Kanamaru , Keiichiro Yusu , Masatoshi Sakurai
IPC分类号： G02F1/29
CPC分类号： G02F1/29 , G02F1/2955
摘要： According to an embodiment, a light deflecting element includes a dielectric body, a first electrode, and a second electrode. The second electrode is configured to sandwich the dielectric body with the first electrode so as to apply a voltage to the dielectric body. The second electrode includes orthogonal portions that are substantially orthogonal to an incident direction of a light beam passing through the dielectric body, parallel portions that are substantially parallel to the incident direction of the light beam. The orthogonal portions and the parallel portions are formed in an alternate manner on the light beam incident side of the dielectric body. The second electrode includes a linear sloping portion that slopes in a direction toward intersection with the incident direction of the light beam. The orthogonal portions, the parallel portions, and the linear sloping portion are formed integrally.
摘要翻译：根据实施例，光偏转元件包括电介质体，第一电极和第二电极。第二电极被配置为将电介质体与第一电极夹住，以向电介质体施加电压。第二电极包括基本上垂直于通过电介质体的光束的入射方向的正交部分，该平行部分基本上平行于光束的入射方向。正交部分和平行部分以交替的方式形成在介电体的光束入射侧。第二电极包括在与光束的入射方向交叉的方向上倾斜的线性倾斜部分。正交部分，平行部分和直线倾斜部分一体地形成。

44. 发明授权

US5723978A Photo-inducible magnetic exchange coupling device 失效
标题翻译：光诱导磁交换耦合器件
公开(公告)号：US5723978A
公开(公告)日：1998-03-03
申请号：US392523
申请日：1995-02-23
申请人： Koichiro Inomata , Roger Highmore , Keiichiro Yusu , Yoshinori Takahashi
发明人： Koichiro Inomata , Roger Highmore , Keiichiro Yusu , Yoshinori Takahashi
IPC分类号： G01J1/42 , G01R33/00 , G01R33/038 , G01R33/12 , G03G5/16 , G11B5/00 , G11B5/33 , G11B11/00 , G11B11/105 , G11B13/04 , H01F7/04 , H01F10/00 , H01F10/32 , H01L43/08
CPC分类号： G01Q60/50 , B82Y10/00 , B82Y15/00 , B82Y25/00 , B82Y35/00 , G01J1/42 , G01R33/0385 , G03G5/16 , G11B11/007 , G11B11/10502 , G11B11/10584 , G11B11/10586 , G11B5/00 , G11B5/332 , H01F10/3254
摘要： A magnetic device, comprises a first magnetic layer; a second magnetic layer on the magnetic layer and having a coercive force smaller than that of the first magnetic layer; a semiconductor layer between the first and second magnetic layers so that photo-induced magnetism occurs between the first and second magnetic layers when the semiconductor layer is irradiated with light, a third magnetic layer on the second magnetic layer, the third magnetic layer having a coercive force larger than the coercive force of the second magnetic layer, and a second semiconductor layer between the second and third magnetic layers, magnetism being induced between the second and third magnetic layers when the second semiconductor layer is irradiated with light.
摘要翻译：一种磁性装置，包括第一磁性层; 磁性层上的第二磁性层，其矫顽力小于第一磁性层的矫顽力; 在第一和第二磁性层之间的半导体层，使得当半导体层被照射时在第一和第二磁性层之间发生光致磁化，第二磁性层上的第三磁性层，具有矫顽力的第三磁性层强度大于第二磁性层的矫顽力，第二和第三磁性层之间的第二半导体层，当第二半导体层被照射时，在第二和第三磁性层之间感应磁性。

45. 发明申请

US20130258452A1 LIGHT DEFLECTING ELEMENT 审中-公开
标题翻译：光偏转元件
公开(公告)号：US20130258452A1
公开(公告)日：2013-10-03
申请号：US13730321
申请日：2012-12-28
申请人： Yuuzo KAMIGUCHI , Masahiro Kanamaru , Katsuya Sugawara , Keiichiro Yusu , Masatoshi Sakurai
发明人： Yuuzo KAMIGUCHI , Masahiro Kanamaru , Katsuya Sugawara , Keiichiro Yusu , Masatoshi Sakurai
IPC分类号： G02F1/29
CPC分类号： G02F1/29 , G02F1/2955
摘要： According to an embodiment, a light deflecting element includes a dielectric body, a first electrode, a second electrode, and a third electrode. Each of the second electrode and third electrode is configured to sandwich the dielectric body with the first electrode. The second electrode includes an electrode having a side that lies substantially orthogonal to an incident direction of a light beam, a side that is substantially parallel to the incident direction, and a side that intersects with the incident direction. The third electrode includes an electrode having a side that is aligned with the second electrode, a side that is substantially parallel to an incident direction of the light beam, and a side that intersects with the light beam, and that slopes in an opposite to that of the side of the second electrode that intersects with the light beam.
摘要翻译：根据实施例，光偏转元件包括电介质体，第一电极，第二电极和第三电极。第二电极和第三电极中的每一个被配置为将电介质体与第一电极夹在中间。第二电极包括具有基本上垂直于光束的入射方向的一侧的电极，基本上平行于入射方向的一侧以及与入射方向相交的一侧。第三电极包括具有与第二电极对准的一侧的电极，基本上平行于光束的入射方向的一侧和与光束相交的一侧，并且与该光束相反的一侧倾斜。与第二电极的与光束相交的一侧。

46. 发明申请

US20090109816A1 OPTICAL DISC APPARATUS AND OPTICAL DISC PROCESSING METHOD 审中-公开
标题翻译：光盘设备和光盘处理方法
公开(公告)号：US20090109816A1
公开(公告)日：2009-04-30
申请号：US12256365
申请日：2008-10-22
申请人： Takashi Usui , Kazuo Watabe , Keiichiro Yusu , Chosaku Noda , Kazuto Kuroda , Nobuaki Kaji , Masahiro Saito
发明人： Takashi Usui , Kazuo Watabe , Keiichiro Yusu , Chosaku Noda , Kazuto Kuroda , Nobuaki Kaji , Masahiro Saito
IPC分类号： G11B7/00
CPC分类号： G11B7/00456 , G11B7/1267
摘要： According to one embodiment, a calibration section controls an LD driving section so as to carry out test writing on a recording layer of an optical disc using a light pulse having relaxation oscillation, irradiates the test-written area with a reproduction laser beam so as to detect reflected light, and determine write strategy based on the detected result. A recording process is executed on the optical disc by using the light pulse having relaxation oscillation based on the write strategy determined by the calibration section.
摘要翻译：根据一个实施例，校准部分控制LD驱动部分，以便使用具有弛豫振荡的光脉冲对光盘的记录层进行测试写入，用再现激光束照射测试写入区域，以便检测反射光，并根据检测结果确定写入策略。通过使用基于由校准部确定的写入策略的具有弛豫振荡的光脉冲在光盘上执行记录处理。

47. 发明授权

US08989525B2 Light deflecting element 有权
标题翻译：光偏转元件
公开(公告)号：US08989525B2
公开(公告)日：2015-03-24
申请号：US13726953
申请日：2012-12-26
申请人： Yuuzo Kamiguchi , Katsuya Sugawara , Masahiro Kanamaru , Keiichiro Yusu , Masatoshi Sakurai
发明人： Yuuzo Kamiguchi , Katsuya Sugawara , Masahiro Kanamaru , Keiichiro Yusu , Masatoshi Sakurai
IPC分类号： G02F1/295 , G02F1/29
CPC分类号： G02F1/29 , G02F1/2955
摘要： According to an embodiment, a light deflecting element includes a dielectric body, a first electrode, and a second electrode. The second electrode is configured to sandwich the dielectric body with the first electrode so as to apply a voltage to the dielectric body. The second electrode includes orthogonal portions that are substantially orthogonal to an incident direction of a light beam passing through the dielectric body, parallel portions that are substantially parallel to the incident direction of the light beam. The orthogonal portions and the parallel portions are formed in an alternate manner on the light beam incident side of the dielectric body. The second electrode includes a linear sloping portion that slopes in a direction toward intersection with the incident direction of the light beam. The orthogonal portions, the parallel portions, and the linear sloping portion are formed integrally.
摘要翻译：根据实施例，光偏转元件包括电介质体，第一电极和第二电极。第二电极被配置为将电介质体与第一电极夹住，以向电介质体施加电压。第二电极包括基本上垂直于通过电介质体的光束的入射方向的正交部分，该平行部分基本上平行于光束的入射方向。正交部分和平行部分以交替的方式形成在介电体的光束入射侧。第二电极包括在与光束的入射方向交叉的方向上倾斜的线性倾斜部分。正交部分，平行部分和直线倾斜部分一体地形成。

48. 发明授权

US08077586B2 Optical recording head device, optical recording apparatus, and recording method 有权
标题翻译：光记录头装置，光记录装置和记录方法
公开(公告)号：US08077586B2
公开(公告)日：2011-12-13
申请号：US12257213
申请日：2008-10-23
申请人： Kazuo Watabe , Takashi Usui , Keiichiro Yusu , Chosaku Noda , Kazuto Kuroda , Nobuaki Kaji , Masahiro Saito
发明人： Kazuo Watabe , Takashi Usui , Keiichiro Yusu , Chosaku Noda , Kazuto Kuroda , Nobuaki Kaji , Masahiro Saito
IPC分类号： G11B7/00
CPC分类号： G11B7/127 , G11B7/0045 , G11B7/006
摘要： According to one embodiment, an optical recording head device includes a light source which outputs such a relaxation oscillation optical pulse that a full width at half maximum of a single pulse is 820 ps or less, a driving unit for driving the light source, an objective lens which converges emission light from the light source on a recording layer of a recording medium, and captures reflective light which is reflected by the recording layer of the recording medium, a distribution unit, placed between the light source and the objective lens, for distributing incident light, and a photodetection unit for receiving via the distribution unit the reflective light which is reflected by the recording layer of the recording medium, wherein a resonator length of the light source is 6560 μm or less.
摘要翻译：根据一个实施例，光记录头装置包括一个光源，其输出这样的弛豫振荡光脉冲，单脉冲的半高全宽为820ps或更小，用于驱动光源的驱动单元，将来自光源的发射光会聚在记录介质的记录层上并捕获由记录介质的记录层反射的反射光，放置在光源和物镜之间的分配单元，用于分布以及光检测单元，用于经由分配单元接收由记录介质的记录层反射的反射光，其中光源的谐振器长度为6560μm以下。

49. 发明授权

US06174597B1 Magnetic recording apparatus 失效
标题翻译：磁记录装置
公开(公告)号：US06174597B1
公开(公告)日：2001-01-16
申请号：US08900581
申请日：1997-07-25
申请人： Keiichiro Yusu , Katsutaro Ichihara , Hideo Ogiwara , Akira Kikitsu , Futoshi Nakamura
发明人： Keiichiro Yusu , Katsutaro Ichihara , Hideo Ogiwara , Akira Kikitsu , Futoshi Nakamura
IPC分类号： G11B566
CPC分类号： G11B5/7325 , G11B5/64 , G11B5/65 , G11B5/656 , G11B5/66 , G11B5/858 , G11B2005/0002 , Y10S428/90 , Y10T428/26 , Y10T428/265
摘要： A magnetic recording apparatus includes a magnetic recording medium including a substrate and a magnetic recording layer formed on the substrate and having a structure in which magnetic grains are dispersed in a nonmagnetic matrix, a means for recording magnetic information on the magnetic recording medium, and a means for reproducing magnetic information from the magnetic recording medium wherein the magnetic grains are separated from the substrate by a part of the matrix and form a substantially single layer parallel to the main surface of the substrate.
摘要翻译：磁记录装置包括磁记录介质，其包括基板和磁记录层，该磁记录层形成在基板上，并且具有将磁性颗粒分散在非磁性矩阵中的结构，在磁记录介质上记录磁信息的装置，用于从磁记录介质再现磁信息的装置，其中磁性颗粒通过基体的一部分与衬底分离，并形成平行于衬底主表面的基本单层。

50. 发明申请

US20090109815A1 OPTICAL DISC DEVICE AND OPTICAL DISC PROCESSING METHOD 审中-公开
标题翻译：光盘设备和光盘处理方法
公开(公告)号：US20090109815A1
公开(公告)日：2009-04-30
申请号：US12260920
申请日：2008-10-29
申请人： Takashi Usui , Kazuo Watabe , Keiichiro Yusu , Chosaku Noda , Kazuto Kuroda , Nobuaki Kaji , Masahiro Saito
发明人： Takashi Usui , Kazuo Watabe , Keiichiro Yusu , Chosaku Noda , Kazuto Kuroda , Nobuaki Kaji , Masahiro Saito
IPC分类号： G11B7/00
CPC分类号： G11B7/00456 , G11B7/1267
摘要： According to one embodiment, an optical disc device includes a light source portion which applies laser light to an optical disc, a drive portion which supplies a drive current to the light source portion so as to cause the light source portion to apply laser light of light pulses having relaxation oscillation, and a controller which controls the drive portion to supply a drive current so as to cause the light source portion to emit laser light of (n−1)×N (N is an integral number) light pulses having relaxation oscillation with respect to a mark with recording mark length nT (n: integral number, T: channel clock) to be recorded on the optical disc.
摘要翻译：根据一个实施例，光盘装置包括向光盘施加激光的光源部分，向光源部分提供驱动电流以使光源部分施加光的激光的驱动部分具有弛豫振荡的脉冲和控制驱动部分提供驱动电流以使光源部分发出具有弛豫振荡的（n-1）×N（N为整数）光脉冲的激光的控制器，相对于要记录在光盘上的具有记录标记长度nT（n：整数，T：通道时钟）的标记。

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