公开(公告)号：US20100310895A1

公开(公告)日：2010-12-09

申请号：US12818562

申请日：2010-06-18

申请人： Takanobu Higuchi ,  Yasuo Hosoda

发明人： Takanobu Higuchi ,  Yasuo Hosoda

IPC分类号： B32B9/00 ,  H01B1/02 ,  G11B5/62 ,  C23C14/34 ,  G02B5/08

CPC分类号： G11B7/243 ,  C23C14/027 ,  C23C14/205 ,  G11B2007/2431 ,  H01B1/02 ,  H01L51/5231 ,  Y10T428/12021 ,  Y10T428/31 ,  Y10T428/31678

摘要： A polycrystalline aluminum thin film is made of polycrystals of an alloy of aluminum. The polycrystalline aluminum thin film includes a first additive which is distributed with even concentration over an inside of each crystal grain and an interface of the crystal grain and a second additive which is distributed with higher concentration in the interface of the crystal grain than in the inside of the crystal grain.

摘要翻译： 多晶铝薄膜由铝合金的多晶体制成。 多晶铝薄膜包括在每个晶粒的内部均匀分布的第一添加剂和晶粒的界面和在晶粒的界面中比内部更高浓度分布的第二添加剂的界面 的晶粒。

公开(公告)号：US20060015887A1

公开(公告)日：2006-01-19

申请号：US11233422

申请日：2005-09-22

申请人： Takanobu Higuchi

发明人： Takanobu Higuchi

IPC分类号： G11B23/03 ,  G11B7/24

CPC分类号： G11B7/2542 ,  G11B7/00455 ,  G11B7/24 ,  G11B7/246 ,  G11B7/2534 ,  G11B7/2585 ,  G11B2007/25708 ,  G11B2007/25713

摘要： Hardness of a resin substrate of an optical disc is selected to be greater than hardness of a cover layer of the optical disc, at least when information is recorded on the optical disc. A laser beam is transmitted to an organic dye layer of the optical disc through the cover layer and a protection layer when information is recorded on the optical disc. The organic dye layer is sandwiched by the protection layer and a reflection layer. The substrate has grooves on its surface, and information is recorded between the grooves. The organic dye is heated and expands upon information recording, but a stress generated by the deforming organic dye layer is mainly transferred toward the cover layer. Deformation of the reflection layer and crosswrite upon information recording can be prevented. Therefore, the optical disc can record information between the grooves at a high density. Alternatively, the optical disc may be configured such that heat transfer toward the protection layer from the organic dye layer is set to be greater than heat transfer toward the reflection layer from the organic dye layer when the light beam is radiated for information recording.

公开(公告)号：US06194129B1

公开(公告)日：2001-02-27

申请号：US09173164

申请日：1998-10-15

申请人： Osamu Kasono ,  Hiroki Kuribayashi ,  Takanobu Higuchi

发明人： Osamu Kasono ,  Hiroki Kuribayashi ,  Takanobu Higuchi

IPC分类号： G11B726

CPC分类号： G11B7/1372 ,  G11B7/261 ,  Y10S430/146

摘要： In a method of manufacturing a master optical disk, a photoresist applied to an optical disk substrate is coated with an optical film for converging recording light on the optical disk substrate in cooperation with a solid immersion lens body. The photoresist is exposed through the optical film by using an optical system including the solid immersion lens.

摘要翻译： 在制造主光盘的方法中，与固体浸没透镜主体配合，用光聚合光学基片的光学膜涂敷涂敷在光盘基板上的光致抗蚀剂。 光致抗蚀剂通过使用包括固体浸没透镜的光学系统通过光学膜曝光。

公开(公告)号：US6009070A

公开(公告)日：1999-12-28

申请号：US838926

申请日：1997-04-23

申请人： Takanobu Higuchi ,  Satoshi Jinno

发明人： Takanobu Higuchi ,  Satoshi Jinno

IPC分类号： G11B7/24 ,  G11B7/257 ,  G11B7/258

CPC分类号： G11B7/258 ,  G11B7/24 ,  G11B7/2578 ,  G11B2007/25706 ,  G11B2007/2571 ,  G11B2007/25713 ,  G11B2007/25715 ,  G11B2007/25716 ,  G11B2007/25718 ,  G11B7/2585 ,  G11B7/259 ,  G11B7/2595

摘要： A double-layer optical disk having characteristics that are less wavelength dependent, allows the use of a pickup comprising a light beam of a different wavelength to read each layer accurately and stably. In the double layer optical disk which comprises, a first reflection layer carrying first information, a spacer layer, and a second reflection layer carrying second information, each laminated on a transparent substrate having a specific refractive index thereby allowing a pickup to read said first and second information, the first reflection layer is formed by laminating a metal layer made of a metal thin film and a dielectric layer made of a dielectric having a refractive index higher than the refractive index of the transparent substrate.

摘要翻译： 具有与波长相关较小的特性的双层光盘允许使用包括不同波长的光束的拾取器精确且稳定地读取每一层。 在包括承载第一信息的第一反射层，承载第二信息的间隔层和第二反射层的双层光盘中，每个层叠在具有特定折射率的透明基板上，从而允许拾取器读取所述第一信息， 第二信息，第一反射层通过层叠由金属薄膜制成的金属层和由折射率高于透明基板的折射率的电介质构成的电介质层而形成。

公开(公告)号：US07263057B2

公开(公告)日：2007-08-28

申请号：US11233422

申请日：2005-09-22

申请人： Takanobu Higuchi

发明人： Takanobu Higuchi

IPC分类号： G11B23/03 ,  G11B7/24

CPC分类号： G11B7/2542 ,  G11B7/00455 ,  G11B7/24 ,  G11B7/246 ,  G11B7/2534 ,  G11B7/2585 ,  G11B2007/25708 ,  G11B2007/25713

摘要： Hardness of a resin substrate of an optical disc is selected to be greater than hardness of a cover layer of the optical disc, at least when information is recorded on the optical disc. A laser beam is transmitted to an organic dye layer of the optical disc through the cover layer and a protection layer when information is recorded on the optical disc. The organic dye layer is sandwiched by the protection layer and a reflection layer. The substrate has grooves on its surface, and information is recorded between the grooves. The organic dye is heated and expands upon information recording, but a stress generated by the deforming organic dye layer is mainly transferred toward the cover layer. Deformation of the reflection layer and crosswrite upon information recording can be prevented. Therefore, the optical disc can record information between the grooves at a high density. Alternatively, the optical disc may be configured such that heat transfer toward the protection layer from the organic dye layer is set to be greater than heat transfer toward the reflection layer from the organic dye layer when the light beam is radiated for information recording.

摘要翻译： 至少当信息被记录在光盘上时，选择光盘的树脂基板的硬度大于光盘的覆盖层的硬度。 当信息被记录在光盘上时，激光束通过覆盖层和保护层传输到光盘的有机染料层。 有机染料层被保护层和反射层夹在中间。 基板在其表面上具有凹槽，并且在凹槽之间记录信息。 有机染料在信息记录时被加热和膨胀，但是由有机染料层变形产生的应力主要转移到覆盖层。 可以防止反射层的变形和信息记录时的交错。 因此，光盘可以高密度地在凹槽之间记录信息。 或者，光盘可以被配置为使得朝向保护层的有机染料层的热传递设定为大于当辐射光束用于信息记录时从有机染料层向着反射层的热传递。

公开(公告)号：US06385163B1

公开(公告)日：2002-05-07

申请号：US09273570

申请日：1999-03-22

申请人： Takanobu Higuchi ,  Ayako Yoshida

发明人： Takanobu Higuchi ,  Ayako Yoshida

IPC分类号： G11B370

CPC分类号： G11B7/263 ,  B32B3/02 ,  G11B7/258

摘要： An optical recording medium comprises a first information recording surface; a first reflecting layer formed on the first information recording surface; a second information recording surface; and a second reflecting layer formed on the second information recording surface. In particular, the first reflecting layer contains a titan oxide as a main component.

摘要翻译： 光记录介质包括第一信息记录表面; 形成在第一信息记录表面上的第一反射层; 第二信息记录表面; 以及形成在第二信息记录表面上的第二反射层。 特别地，第一反射层含有氧化钛作为主要成分。

公开(公告)号：US06277545B1

公开(公告)日：2001-08-21

申请号：US09231904

申请日：1999-01-14

申请人： Tetsuya Iida ,  Takanobu Higuchi ,  Osamu Kasono

发明人： Tetsuya Iida ,  Takanobu Higuchi ,  Osamu Kasono

IPC分类号： G11B7135

CPC分类号： G11B7/122 ,  G03F7/091 ,  G11B7/261 ,  Y10S430/146

摘要： A method of manufacturing an optical disc master plate, comprises the steps of: forming a photoresist layer having an electrically conductivity on a substrate; and irradiating the photoresist layer with a laser beam, using an optical system capable of holding a solid immersion lens on a flying head.

摘要翻译： 一种制造光盘母板的方法，包括以下步骤：在衬底上形成具有导电性的光致抗蚀剂层; 并且使用能够将固体浸没透镜保持在飞行头上的光学系统用激光束照射光致抗蚀剂层。

公开(公告)号：US5759657A

公开(公告)日：1998-06-02

申请号：US685768

申请日：1996-07-24

申请人： Nobuaki Onagi ,  Takanobu Higuchi

发明人： Nobuaki Onagi ,  Takanobu Higuchi

IPC分类号： G11B7/00 ,  G11B7/005 ,  G11B7/24 ,  G11B7/257 ,  G11B11/10 ,  G11B11/105 ,  G11B5/66

CPC分类号： B82Y10/00 ,  G11B7/005 ,  G11B7/24 ,  G11B7/252 ,  G11B2007/24306 ,  G11B2007/25706 ,  G11B2007/25716 ,  G11B7/0052 ,  G11B7/2585 ,  G11B7/2595 ,  Y10S428/90

摘要： An optical recording medium includes: a substrate on which information is recorded as phase pits, and a polarization state varying layer for rotating a polarization state of a light beam irradiated thereon in accordance with a temperature distribution caused by irradiation of the light beam. A device for reproducing information recorded on the optical recording medium includes: light irradiation unit for irradiating a read-out light beam to produce a light spot on the optical recording medium so that a light intensity of the light beam at a first portion of the light spot is higher than a predetermined level, separation unit for separating a component of light beam having a predetermined polarization state from a light beam reflected by the optical recording medium, light receiving unit for receiving the light beam separated by said separation means and generating read-out signal, and reproducing unit for reproducing information recorded on the optical recording medium on the basis of the read-out signal.

摘要翻译： 光记录介质包括：信息被记录为相位凹坑的基板和用于根据由光束的照射引起的温度分布旋转照射在其上的光束的偏振状态的偏振状态变化层。 用于再现记录在光学记录介质上的信息的装置包括：光照射单元，用于照射所读出的光束以在光学记录介质上产生光斑，使得在光的第一部分处的光束的光强度 点高于预定水平，用于将具有预定偏振态的光束的分量与由光记录介质反射的光束分离的分离单元，用于接收由所述分离装置分离的光束的光接收单元， 输出信号和再现单元，用于基于读出信号再现记录在光学记录介质上的信息。

公开(公告)号：US5171392A

公开(公告)日：1992-12-15

申请号：US645773

申请日：1991-01-25

申请人： Tetsuya Iida ,  Takanobu Higuchi ,  Kunizo Ogoshi ,  Shinichi Yokozeki

发明人： Tetsuya Iida ,  Takanobu Higuchi ,  Kunizo Ogoshi ,  Shinichi Yokozeki

IPC分类号： B29D17/00 ,  G11B7/24 ,  G11B7/26

CPC分类号： B29D17/005 ,  G11B7/24 ,  G11B7/26 ,  Y10T156/1158

摘要： An optical information record carrier (optical disk, conventionally) has multiple reflective surfaces, each carrying separate information and each readable by an optical beam directed from the same side of the record carrier. The top most reflective surface reflects light of a first waveband and passes light of a second waveband. The next top most reflective layer reflects light within at least part of the second waveband. The record carrier is formed by producing a first reflective layer having a first pit pattern in the surface of a transparent substrate, pressing said first substrate/layer combination to a transparent stamper having a second pit pattern, with a radiation hardening liquid resin therebetween, irradiating the resin by applying radiation to said resin through said stamper, peeling off said stamper, applying a second reflective layer to said hardened resin surface opposite the surface in contact with said first reflective layer, and applying a protective layer to said second reflective layer.

摘要翻译： 光学信息记录载体（光盘，传统上）具有多个反射面，每个反射表面承载分离的信息，并且每个反射表面都可以由从记录载体的同一侧引导的光束读取。 顶部最反射的表面反射第一波段的光并且传递第二波段的光。 下一个最上层的反射层在第二波段的至少部分内反射光。 记录载体通过在透明基板的表面中制造具有第一凹坑图案的第一反射层，将所述第一基板/层组合按压到具有第二凹坑图案的透明压模，在其间具有辐射硬化液体树脂，照射 所述树脂通过所述压模向所述树脂施加辐射，剥离所述压模，将第二反射层施加到与所述第一反射层接触的表面相对的所述硬化树脂表面，以及向所述第二反射层施加保护层。

公开(公告)号：US20110176402A1

公开(公告)日：2011-07-21

申请号：US13003918

申请日：2008-07-14

申请人： Takanobu Higuchi

发明人： Takanobu Higuchi

IPC分类号： G11B7/09 ,  G11B7/24

CPC分类号： G11B7/0917 ,  G11B2007/0013

摘要： [PROBLEMS] To perform highly accurate focus control in an optical recording medium of multilayer structure having an interface of each layer with a reflectance reduced as much as possible.[SOLVING ELEMENT] In a focus control apparatus with optical pickup for use in an optical recording medium of multilayer structure, laser light irradiating device including a laser light source (50) and an objective lens (54) irradiates laser light to an optical recording medium (D), a photodetector (55) detects an optical characteristic change associated with multiphoton absorption caused when the laser light is condensed to at least one of recording layers, and in accordance with the detection result, focus control in the optical pickup is performed for an arbitrary recording layer (L1 to Ln).

摘要翻译： 为了在多层结构的光记录介质中进行高精度的聚焦控制，其具有尽可能地降低反射率的各层的界面。 [解决方案]在具有用于多层结构的光学记录介质的光学拾取器的聚焦控制装置中，包括激光源（50）和物镜（54）的激光照射装置将激光照射到光学记录介质 （D）中，光检测器（55）检测当激光被聚光到记录层中的至少一个时引起的与多光子吸收相关联的光学特性变化，并且根据检测结果，执行光学拾取器中的聚焦控制 任意的记录层（L1〜Ln）。