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1. 发明授权

US07539121B2 Optical recording medium and process for producing the same 有权
标题翻译：光记录介质及其制造方法
公开(公告)号：US07539121B2
公开(公告)日：2009-05-26
申请号：US10550069
申请日：2004-04-01
申请人： Morio Tomiyama , Shinya Abe , Yuuko Kawaguchi , Eiji Ohno
发明人： Morio Tomiyama , Shinya Abe , Yuuko Kawaguchi , Eiji Ohno
IPC分类号： G11B7/24
CPC分类号： G11B7/24079 , G11B7/24038 , G11B7/24085
摘要： An optical recording medium is provided with: a first substrate having first pits on one face thereof; a first reflective layer that is formed on the face bearing the first pits of the first substrate in a manner so as to reflect lands and recesses of the first pits; a second substrate that is formed on the first reflective layer, with second pits being formed on a face on the side opposite to the first reflective layer; a second reflective layer that is formed on the face bearing the second pits of the second substrate in a manner so as to reflect lands and recesses of the second pits; and a cover layer formed on the second reflective layer. In this structure, the first pit depth d1 that is a difference between lands and recesses of the first reflective layer, the wavelength λ of signal-reproducing laser light and the refractive index n1 of the second substrate satisfy the following relational expressions: λ/(5n1)≦d1≦λ/(3n1) and d1≠λ/(4n1). Moreover, the second pit depth d2, which is a difference between lands and recesses of the second reflective layer, the wavelength λ of signal-reproducing laser light and the refractive index n2 of the cover layer satisfy the following relational expressions: λ/(5n2)≦d2≦λ/(3n2) and d2≠λ/(4n2).
摘要翻译：光记录介质设置有：第一基板，其一面上具有第一凹坑; 第一反射层，其形成在承载第一基板的第一凹坑的表面上，以便反映第一凹坑的凹槽和凹陷; 形成在第一反射层上的第二基板，第二凹坑形成在与第一反射层相对的一侧的表面上; 第二反射层，其形成在承载第二基板的第二凹坑的表面上，以便反射第二凹坑的凹陷和凹陷; 以及形成在所述第二反射层上的覆盖层。在该结构中，作为第一反射层的区域和凹部之间的差的第一凹坑深度d1，信号再现激光的波长λ和第二基板的折射率n1满足以下关系式：λ/（ 5n1）<= d1 <= lambda /（3n1）和d1 <> lambda /（4n1）。此外，作为第二反射层的区域和凹部之间的差异的第二凹坑深度d2，信号再现激光的波长λ和覆盖层的折射率n2满足以下关系式：λ/（5n2 ）<= d2 <= lambda /（3n2）和d2 <λλ/（4n2）。

2. 发明申请

US20070117046A1 Optical recording medium and process for producing the same 有权
标题翻译：光记录介质及其制造方法
公开(公告)号：US20070117046A1
公开(公告)日：2007-05-24
申请号：US10550069
申请日：2004-04-01
申请人： Morio Tomiyama , Shinya Abe , Yuuko Kawaguchi , Eiji Ohno
发明人： Morio Tomiyama , Shinya Abe , Yuuko Kawaguchi , Eiji Ohno
IPC分类号： G11B7/24
CPC分类号： G11B7/24079 , G11B7/24038 , G11B7/24085
摘要： An optical recording medium is provided with: a first substrate having first pits on one face thereof; a first reflective layer that is formed on the face bearing the first pits of the first substrate in a manner so as to reflect lands and recesses of the first pits; a second substrate that is formed on the first reflective layer, with second pits being formed on a face on the side opposite to the first reflective layer; a second reflective layer that is formed on the face bearing the second pits of the second substrate in a manner so as to reflect lands and recesses of the second pits; and a cover layer formed on the second reflective layer. In this structure, the first pit depth d1 that is a difference between lands and recesses of the first reflective layer, the wavelength λ of signal-reproducing laser light and the refractive index n1 of the second substrate satisfy the following relational expressions: λ/(5n1)≦d1≦λ/(3n1) and d1≠λ/(4n1). Moreover, the second pit depth d2, which is a difference between lands and recesses of the second reflective layer, the wavelength λ of signal-reproducing laser light and the refractive index n2 of the cover layer satisfy the following relational expressions: λ/(5n2)≦d2≦λ/(3n2) and d2≠λ/(4n2).
摘要翻译：光记录介质设置有：第一基板，其一面上具有第一凹坑; 第一反射层，其形成在承载第一基板的第一凹坑的表面上，以便反映第一凹坑的凹槽和凹陷; 形成在第一反射层上的第二基板，第二凹坑形成在与第一反射层相对的一侧的表面上; 第二反射层，其形成在承载第二基板的第二凹坑的表面上，以便反射第二凹坑的凹陷和凹陷; 以及形成在所述第二反射层上的覆盖层。在该结构中，第一凹坑深度d 1是第一反射层的平台和凹陷之间的差，信号再现激光的波长λ和折射率n <1 < / SUB>满足以下关系式：λ/（5n 1 <1）<= 1 / >）和d 1 /λλ/（4n 1 1）。此外，作为第二反射层的焊盘和凹部之间的差异，信号再现激光的波长λ和折射率n 2 2的第二凹坑深度d 2 2 < 覆盖层的SUB>满足以下关系式：λ/（5n 2 2）2 = 2/2 =λ/（3 N 2 ）和d 2 /λλ/（4n 2 2）。

3. 发明申请

US20060044996A1 Optical recording medium and method for producing the same 审中-公开
标题翻译：光记录介质及其制造方法
公开(公告)号：US20060044996A1
公开(公告)日：2006-03-02
申请号：US10527190
申请日：2003-08-12
申请人： Yuuko Kawaguchi , Morio Tomiyama
发明人： Yuuko Kawaguchi , Morio Tomiyama
IPC分类号： G11B7/24
CPC分类号： G11B7/24085 , G11B7/24079 , G11B7/258 , G11B7/259 , G11B7/266
摘要： An optical-recording medium, comprising: a substrate on which information is formed as pit rows constituted by concavities and convexities having a predetermined track pitch; at least a first metal reflective layer; and a transparent resin layer formed on the first metal reflective layer, which are formed on the substrate, wherein the information is reproduced by applying a light beam onto a signal face formed on the resin layer side of the first metal reflective layer, characterized in that the following relational expression: 1.0
摘要翻译：一种光记录介质，包括：其上形成有由具有预定轨道间距的凹凸构成的凹坑列的信息的基板; 至少第一金属反射层; 以及形成在所述第一金属反射层上的透明树脂层，所述透明树脂层形成在所述基板上，其中通过将光束施加到形成在所述第一金属反射层的树脂层侧上的信号面上来再现所述信息，其特征在于，以下关系式：<？in-line-formula description =“In-line Formulas”end =“lead”？> 1.0 ）。

4. 发明申请

US20050063289A1 Fabrication method of stamper for optical information recording medium, master disk of stamper for optical information recording medium, and optical information recording medium 审中-公开
标题翻译：用于光学信息记录介质的压模的制造方法，用于光学信息记录介质的压模的母盘和光学信息记录介质
公开(公告)号：US20050063289A1
公开(公告)日：2005-03-24
申请号：US10930600
申请日：2004-08-31
申请人： Morio Tomiyama , Eiichi Ito , Yuuko Kawaguchi
发明人： Morio Tomiyama , Eiichi Ito , Yuuko Kawaguchi
IPC分类号： G11B7/24 , G11B7/26 , G11B23/00
CPC分类号： G11B7/263 , G11B7/24 , G11B7/261
摘要： The following steps are included: a step of changing crystal states of the specific portion of an resist layer of a master disk having an etching layer and the resist layer formed on the etching layer through exposure, a step of removing the specific portion, a step of removing the portion of the etching layer overlapping the removed portion of the resist layer, a step of forming a conductive film from which the resist layer is removed, a step of performing electroforming by using the conductive film as an electrode, and a step of exfoliating the etching layer from the conductive film.
摘要翻译：包括以下步骤：通过曝光来改变具有蚀刻层的母盘的抗蚀层的特定部分的晶体状态和通过曝光在蚀刻层上形成的抗蚀剂层的步骤，去除特定部分的步骤，步骤去除与抗蚀剂层的去除部分重叠的蚀刻层的部分，形成除去抗蚀剂层的导电膜的步骤，通过使用导电膜作为电极进行电铸的步骤，以及步骤从导电膜剥离蚀刻层。

5. 发明申请

US20050045481A1 Method for manufacturing stamper, stamper and optical recording medium 审中-公开
标题翻译：制造压模，压模和光记录介质的方法
公开(公告)号：US20050045481A1
公开(公告)日：2005-03-03
申请号：US10885970
申请日：2004-07-08
申请人： Yuuko Kawaguchi , Morio Tomiyama
发明人： Yuuko Kawaguchi , Morio Tomiyama
IPC分类号： B29D17/00 , C25D1/00 , C25D1/22 , G11B7/24 , G11B7/26
CPC分类号： B29D17/005 , C25D1/22 , G11B7/263
摘要： When producing a second stamper by forming a nickel electroformed film on a father stamper having patterns of pits and lands, defects appear on the second stamper during the stage of separating the second stamper from the father stamper. The object of the present invention is to decrease these defects. A method for manufacturing a stamper comprises performing a plasma surface treatment on a surface of a father stamper 106 having patterns of pits and lands, forming a nickel electroformed film (II) 107 on the surface of the father stamper 106, and separating the nickel electroformed film (II) 107 from the father stamper 106 so as to form a mother stamper 108.
摘要翻译：当通过在具有凹坑和焊盘图案的父亲压模上形成镍电成膜制造第二压模时，在将第二压模与父压模分离的阶段期间，在第二压模上出现缺陷。本发明的目的是减少这些缺陷。制造压模的方法包括在具有凹坑和焊盘图案的父亲压模106的表面上进行等离子体表面处理，在父母压模106的表面上形成镍电铸膜（II）107，并将镍电铸来自父亲模具106的薄膜（II）107，以形成母模108。

6. 发明申请

US20050048248A1 Method for manufacturing a master of an optical information recording medium, method for forming a pattern, a master, a stamper, an optical information recording medium and a resist 审中-公开
标题翻译：光学信息记录介质的主机的制造方法，图形的形成方法，主机，压模，光学信息记录介质和抗蚀剂
公开(公告)号：US20050048248A1
公开(公告)日：2005-03-03
申请号：US10912193
申请日：2004-08-06
申请人： Eiichi Ito , Eiji Ohno , Yuuko Kawaguchi
发明人： Eiichi Ito , Eiji Ohno , Yuuko Kawaguchi
IPC分类号： G03F7/004 , G11B7/26 , B32B3/02
CPC分类号： G11B7/261 , G03F7/0042 , G03F7/0043 , G11B7/263
摘要： A method of manufacturing a master of an optical information recording medium includes a resist layer formation step of using a resist to form a resist layer on an upper surface of a substrate, an exposure step for selectively exposing the resist layer to cause a change of state in the resist layer, and a development step for performing an alkali development process on the resist layer after the exposure step. The resist is primarily composed of an inorganic material and contains at least Te and O, and further contains a stabilizing additive having a lower solubility than TeO2 in an alkaline environment.
摘要翻译：制造光信息记录介质的母版的方法包括：抗蚀剂层形成步骤，使用抗蚀剂在衬底的上表面上形成抗蚀剂层;曝光步骤，用于选择性地曝光抗蚀层以引起状态改变以及在曝光步骤之后对抗蚀剂层进行碱显影处理的显影步骤。抗蚀剂主要由无机材料组成，并且至少含有Te和O，并且还包含在碱性环境中具有比TeO 2更低的溶解度的稳定添加剂。

7. 发明申请

US20050045587A1 Method for producing a master disk of a recording medium, method for producing a stamper, method for producing a recording medium, master disk of a recording medium, stamper of a recording medium, and recording medium 审中-公开
标题翻译：记录介质的母盘的制造方法，压模的制造方法，记录介质的制造方法，记录介质的母盘，记录介质的压模以及记录介质
公开(公告)号：US20050045587A1
公开(公告)日：2005-03-03
申请号：US10909309
申请日：2004-08-03
申请人： Yuuko Kawaguchi , Eiji Ohno , Eiichi Ito
发明人： Yuuko Kawaguchi , Eiji Ohno , Eiichi Ito
IPC分类号： C23F1/00 , G11B7/24 , G11B7/26
CPC分类号： G11B7/261
摘要： A method for producing a master disk 105 for an optical disk 110 includes a layer forming step of forming a heat-sensitive material layer 102 on a substrate 101, an exposure step of exposing the heat-sensitive material layer 102 partially to a laser beam, and a pit and land pattern forming step of forming a pattern of pits and lands by means of the difference between the etching rates of the exposed portion and the unexposed portion of the heat-sensitive material layer 102. The heat-sensitive material layer 102 includes at least Sb and O. When the composition ratio of O is defined as x (atom %), x is 3 or more and 50 or less.
摘要翻译：用于制造用于光盘110的母盘105的方法包括在基板101上形成热敏材料层102的层形成步骤，将热敏材料层102部分地暴露于激光束的曝光步骤，以及通过曝光部分的蚀刻速率与感光材料层102的未曝光部分之间的差异形成凹坑和平台图案的凹坑和焊盘图案形成步骤。热敏材料层102包括至少Sb和O.当O的组成比定义为x（原子％）时，x为3以上且50以下。

8. 发明申请

US20050130335A1 Method of manufacturing master of optical information recording medium, method of manufacturing stamper of optical information recording medium, master and stamper of an optical information recording medium, and optical information recording medium 审中-公开
标题翻译：光学信息记录介质的主机的制造方法，光学信息记录介质的压模的制造方法，光学信息记录介质的主机和压模以及光学信息记录介质
公开(公告)号：US20050130335A1
公开(公告)日：2005-06-16
申请号：US10995156
申请日：2004-11-24
申请人： Eiichi Ito , Yuuko Kawaguchi
发明人： Eiichi Ito , Yuuko Kawaguchi
IPC分类号： G11B7/26 , H01L21/00 , H01S5/00
CPC分类号： G11B7/263 , G11B7/261
摘要： The object of the present invention is to provide a method of manufacturing a master of an optical information recording medium, a method of manufacturing a stamper of an optical information recording medium, a master and a stamper of an optical information recording medium and an optical information recording medium, in which the shape of a pattern of pits and/or a groove remains high-quality by reducing the change of state of an inorganic material when transcribing a predetermined pattern of pits and/or a groove on a side of the stamper, even when an inorganic material is used as an resist. A method of manufacturing a master 106 of an optical information recording medium for transcribing a predetermined pattern of pits and/or a groove on a stamper of the optical information recording medium, includes forming a resist 102 including an first inorganic material which changes its state with exposure on a substrate 101, forming the pattern of pits and/or a groove on the resist 102 with exposure or development, and forming an inorganic isolating layer 107 on the pattern of pits and/or a groove.
摘要翻译：本发明的目的是提供一种制造光学信息记录介质的主机的方法，制造光学信息记录介质的压模的方法，光学信息记录介质的主机和压模以及光学信息记录介质，其中当转印预定图案的凹坑和/或凹槽在压模侧时，通过减少无机材料的状态变化，凹坑和/或凹槽图案的形状保持高质量，即使使用无机材料作为抗蚀剂。一种用于在光信息记录介质的压模上转印预定图案的凹坑和/或凹槽的光学信息记录介质的主体106的制造方法，包括形成抗蚀剂102，该抗蚀剂102包括第一无机材料，其将其状态改变为在基板101上曝光，在曝光或显影下在抗蚀剂102上形成凹坑图案和/或凹槽，并在凹坑和/或凹槽图案上形成无机隔离层107。

9. 发明授权

US06826131B2 Magneto-optical recording medium having multiple magnetic layers 失效
标题翻译：具有多个磁性层的磁光记录介质
公开(公告)号：US06826131B2
公开(公告)日：2004-11-30
申请号：US09975525
申请日：2001-10-10
申请人： Yuuko Kawaguchi , Motoyoshi Murakami
发明人： Yuuko Kawaguchi , Motoyoshi Murakami
IPC分类号： G11B1100
CPC分类号： G11B11/10593 , G11B11/10515 , G11B11/10584
摘要： A multilayer film including a first magnetic layer, a second magnetic layer, and a third magnetic layer in the stated order is formed so that a Curie temperature TC2 of the second magnetic layer is set to be lower than a Curie temperature TC1 of the first magnetic layer and a Curie temperature TC3 of the third magnetic layer and that the third magnetic layer is a perpendicular magnetization film. In at least a part of a region at a temperature lower than TC2, the first magnetic layer is perpendicularly magnetized by exchange coupling with the second magnetic layer, and the magnetization of the third magnetic layer is transferred to the first magnetic layer via the second magnetic layer because of the exchange coupling. The second magnetic layer is made of a magnetic layer that remains in an in-plane magnetization state at room temperature and is perpendicularly magnetized in a temperature range from a critical temperature TCR higher than room temperature to the Curie temperature TC2 of the same. Thus, in a magneto-optical recording medium to which the magnetic-domain enlarging-reproducing method is applied, upon reproduction of information utilizing the magnetic-domain enlargement, magnetic influences from tracks adjacent to a target track are suppressed.
摘要翻译：形成具有第一磁性层，第二磁性层和第三磁性层的多层膜，其中第二磁性层的居里温度TC2被设定为低于第一磁性层的居里温度TC1 层和第三磁性层的居里温度TC3，第三磁性层是垂直磁化膜。在低于TC2的区域的至少一部分中，第一磁性层通过与第二磁性层的交换耦合而垂直磁化，并且第三磁性层的磁化通过第二磁性层转移到第一磁性层层因为交换耦合。第二磁性层由在室温下保持在面内磁化状态的磁性层制成，并在从高于室温的临界温度TCR到其居里温度TC2的温度范围内垂直磁化。因此，在应用了磁畴放大 - 再现方法的磁光记录介质中，在利用磁畴放大的信息再现时，抑制了与目标轨道相邻的轨道的磁影响。

10. 发明授权

US06747919B2 Magneto-optical recording medium, and method and apparatus for producing the same 失效
标题翻译：磁光记录介质及其制造方法和装置
公开(公告)号：US06747919B2
公开(公告)日：2004-06-08
申请号：US10125659
申请日：2002-04-18
申请人： Yuuko Kawaguchi , Motoyoshi Murakami , Masahiro Birukawa , Tsutomu Shiratori , Yasuyuki Miyaoka
发明人： Yuuko Kawaguchi , Motoyoshi Murakami , Masahiro Birukawa , Tsutomu Shiratori , Yasuyuki Miyaoka
IPC分类号： G11B1100
CPC分类号： G11B11/10582 , G11B11/10515 , G11B11/10578 , G11B11/10584
摘要： By irradiating a light beam between recording tracks of the magneto-optical recording medium, the magnetic anisotropy of at least one layer selected from the group consisting of the domain wall displacement layer and the recording layer formed between the recording tracks can be made lower than that of said layers on the recording tracks, and a bias magnetic field is applied at least between recording tracks while a light beam is radiated. Because of this, initialization of a medium may be conducted simultaneously.
摘要翻译：通过在磁光记录介质的记录轨道之间照射光束，可以使从由畴壁位移层和形成在记录轨道之间的记录层组成的组中选择的至少一层的磁各向异性低于的记录轨道上的所述层，并且在辐射光束时至少在记录轨道之间施加偏置磁场。因此，可以同时进行介质的初始化。

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