专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US6064632A Recording/reproducing apparatus and a magneto-optical recording medium for use therewith 失效
标题翻译：记录/再现装置和与其一起使用的磁光记录介质
公开(公告)号：US6064632A
公开(公告)日：2000-05-16
申请号：US203629
申请日：1998-12-01
申请人： Ariyoshi Nakaoki , Katsuhisa Aratani , Akira Kouchiyama
发明人： Ariyoshi Nakaoki , Katsuhisa Aratani , Akira Kouchiyama
IPC分类号： G11B11/105 , G11B11/00
CPC分类号： B82Y10/00 , G11B11/10534 , G11B11/10554 , G11B11/10543
摘要： A recording/reproducing apparatus for use with a photomagnetic recording medium. The apparatus comprises a magnetic coil and an optical system having a numerical aperture (NA) greater than 0.8 and arranged such that an optical axis thereof traverses the center of the magnetic coil. The photomagnetic recording medium has a magneto-optic recording film and a transparent protective layer having a thickness HCO formed sequentially on a substrate. The magnetic coil and the optical system are arranged on the transparent protective layer side of the photomagnetic recording medium when the photomagnetic recording medium is used with the apparatus and such that a combined distance equal to the thickness HCO and a distance d between a surface of the magnetic coil and an adjacent surface of the photomagnetic recording medium has a value of 0 .mu.m.ltoreq.d.ltoreq.145 .mu.m. The thickness HCO of the transparent protective layer may have a value of 0 .mu.m.ltoreq.HCO.ltoreq.100 .mu.m, and the distance d may have a value not larger than 45 .mu.m. Additionally, an innermost radius Ri of the magnetic coil may have a value of 290 .mu.m or less.
摘要翻译：一种与光磁记录介质一起使用的记录/再现装置。该装置包括磁性线圈和具有大于0.8的数值孔径（NA）的光学系统，并被布置为使得其光轴穿过磁性线圈的中心。光磁记录介质具有磁光记录膜和在基板上依次形成厚度HCO的透明保护层。当光磁记录介质与设备一起使用时，磁性线圈和光学系统被布置在光磁记录介质的透明保护层侧上，并且使得等于厚度HCO的组合距离和磁性线圈和光磁记录介质的相邻表面具有0μm的值=145μm。透明保护层的厚度HCO可以具有0μmHCO =100μm的值，并且距离d可以具有不大于45μm的值。此外，磁线圈的最内半径Ri可以具有290μm或更小的值。

2. 发明授权

US5978320A Recording/reproducing apparatus for use with a photomagnetic recording medium 失效
标题翻译：用于光磁记录介质的记录/再现装置
公开(公告)号：US5978320A
公开(公告)日：1999-11-02
申请号：US76648
申请日：1998-05-12
申请人： Ariyoshi Nakaoki , Katsuhisa Aratani , Akira Kouchiyama
发明人： Ariyoshi Nakaoki , Katsuhisa Aratani , Akira Kouchiyama
IPC分类号： G11B11/105 , G11B11/00
CPC分类号： B82Y10/00 , G11B11/10534 , G11B11/10554 , G11B11/10543
摘要： A recording/reproducing apparatus for use with a photomagnetic recording medium. The apparatus comprises a magnetic coil and an optical system having a numerical aperture (NA) greater than 0.8 and arranged such that an optical axis thereof traverses the center of the magnetic coil. The photomagnetic recording medium has a magneto-optic recording film and a transparent protective layer having a thickness HCO formed sequentially on a substrate. The magnetic coil and the optical system are arranged on the transparent protective layer side of the photomagnetic recording medium when the photomagnetic recording medium is used with the apparatus and such that a combined distance equal to the thickness HCO and a distance d between a surface of the magnetic coil and an adjacent surface of the photomagnetic recording medium has a value of 0 .mu.m.ltoreq.d.ltoreq.145 .mu.m. The thickness HCO of the transparent protective layer may have a values of 0 .mu.m.ltoreq.HCO.ltoreq.100 .mu.m, and the distance d may have a value not larger than 45 .mu.m. Additionally, an innermost radius Ri of the magnetic coil may have a value of 290 .mu.m or less.
摘要翻译：一种与光磁记录介质一起使用的记录/再现装置。该装置包括磁性线圈和具有大于0.8的数值孔径（NA）的光学系统，并被布置为使得其光轴穿过磁性线圈的中心。光磁记录介质具有磁光记录膜和在基板上依次形成厚度HCO的透明保护层。当光磁记录介质与设备一起使用时，磁性线圈和光学系统被布置在光磁记录介质的透明保护层侧上，并且使得等于厚度HCO的组合距离和磁性线圈和光磁记录介质的相邻表面具有0μm的值=145μm。透明保护层的厚度HCO可以具有0μmHCO <100μm的值，并且距离d可以具有不大于45μm的值。此外，磁线圈的最内半径Ri可以具有290μm或更小的值。

3. 再颁专利

USRE40136E1 Multilayer optical disk 有权
标题翻译：多层光盘
公开(公告)号：USRE40136E1
公开(公告)日：2008-03-04
申请号：US11091006
申请日：2005-03-25
申请人： Masahiko Kaneko , Nobuhiko Umezu , Katsuhisa Aratani , Ariyoshi Nakaoki
发明人： Masahiko Kaneko , Nobuhiko Umezu , Katsuhisa Aratani , Ariyoshi Nakaoki
IPC分类号： B32B3/02
CPC分类号： G11B7/244 , G11B7/24 , G11B7/2531 , G11B7/2534 , G11B7/257 , G11B7/258 , G11B7/2585 , G11B2007/2571 , G11B2007/25713 , Y10T428/21
摘要： A multilayer optical disk having an information storage layer which can as well as be reproduced by a general purpose reproducing apparatus, for example, a compact disk player, and from which information can be read from other information storage layers by using an exclusive reproducing apparatus. The method of manufacturing a multilayer disk comprises the steps of forming a first substrate having a first information storage area enabling reproduction of information therein with a first light beam having a wavelength of 770 nm to 830 nm; forming a second substrate having a second information storage area enabling reproduction of information therein with a second light beam having a wavelength of 615-655 nm but which is relatively transparent with respect to said first light beam; and bonding said first substrate to said second substrate together without said first and second said information areas facing each other.
摘要翻译：具有信息存储层的多层光盘，其可以由通用再现装置（例如，光盘播放器）再现，并且可以通过使用专用再现装置从其它信息存储层读取信息。制造多层盘的方法包括以下步骤：形成具有第一信息存储区域的第一基板，该第一信息存储区域能够利用波长为770nm至830nm的第一光束再现其中的信息; 形成具有第二信息存储区域的第二基板，所述第二信息存储区域能够利用波长为615-655nm但相对于所述第一光束相对透明的第二光束再现信息; 以及将所述第一基板与所述第二基板结合在一起，而所述第一和第二信息区域彼此面对。

4. 发明授权

US4878132A Thermomagnetic recording method applying power modulated laser on a magnetically coupled multi-layer structure of perpendicular anisotropy magnetic film 失效
标题翻译：将功率调制激光器应用于垂直各向异性磁性膜的磁耦合多层结构的热磁记录方法
公开(公告)号：US4878132A
公开(公告)日：1989-10-31
申请号：US184783
申请日：1988-04-22
申请人： Katsuhisa Aratani , Ariyoshi Nakaoki , Tomiji Tanaka
发明人： Katsuhisa Aratani , Ariyoshi Nakaoki , Tomiji Tanaka
IPC分类号： G11B11/105
CPC分类号： G11B11/10519 , G11B11/10506 , G11B11/10591 , Y10S428/928 , Y10T428/12632 , Y10T428/12951
摘要： A thermomagnetic recording method is disclosed using a thermomagnetic recording medium where first, second and third magnetic thin films each formed of rare-earth and transition metals are sequentially superposed to form layers in a magnetically coupled manner. The recording is carried out by heating the thermomagnetic recording medium under a predetermined magnetic field perpendicular to the film plane thereof while selectively modulating, in accordance with data to be recorded, a first heating state at a first temperature T1 substantially above the Curie point Tc1 of the first magnetic thin film and adequate to hold the sublattice magnetization of the transition metal of the second magnetic thin film in a predetermined direction, and a second heating state at a second temperature T2 substantially above the Curie point Tc1 and adequate to invert the sublattice magnetization of the transition metal of the second magnetic thin film to the reverse of the predetermined direction. In a cooling step subsequent to the first and second heating states, maintaining the sublattice magnetization of the third magnetic thin film in a predetermined direction while orienting the sublattice magnetization of said second magnetic thin film to be directionally coincident with that of the third magnetic thin film at a temperature below the first temperature T1 without directionally inverting the sublattice magnetization of the first magnetic thin film.

5. 发明授权

US06537637B2 Multilayer optical disk 有权
标题翻译：多层光盘
公开(公告)号：US06537637B2
公开(公告)日：2003-03-25
申请号：US09798190
申请日：2001-03-02
申请人： Masahiko Kaneko , Nobuhiko Umezu , Katsuhisa Aratani , Ariyoshi Nakaoki
发明人： Masahiko Kaneko , Nobuhiko Umezu , Katsuhisa Aratani , Ariyoshi Nakaoki
IPC分类号： B32B302
CPC分类号： G11B7/242 , G11B7/005 , G11B7/08511 , G11B7/127 , G11B7/24 , G11B7/24038 , G11B7/244 , G11B7/2531 , G11B7/2534 , G11B7/2542 , G11B7/257 , G11B7/2578 , G11B7/258 , G11B7/2585 , G11B2007/2571 , G11B2007/25713 , Y10S428/913 , Y10S430/146 , Y10T428/21 , Y10T428/31678
摘要： A multilayer optical disk having an information storage layer which can as well as be reproduced by a general purpose reproducing apparatus, for example, a compact disk player, and from which information can be read from other information storage layers by using an exclusive reproducing apparatus. The method of manufacturing a multilayer disk comprises the steps of forming a first substrate having a first information storage area enabling reproduction of information therein with a first light beam having a wavelength of 770 nm to 830 nm; forming a second substrate having a second information storage area enabling reproduction of information therein with a second light beam having a wavelength of 615-655 nm but which is relatively transparent with respect to said first light beam; and bonding said first substrate to said second substrate together without said first and second said information areas facing each other.
摘要翻译：具有信息存储层的多层光盘，其可以由通用再现装置（例如，光盘播放器）再现，并且可以通过使用专用再现装置从其它信息存储层读取信息。制造多层盘的方法包括以下步骤：形成具有第一信息存储区域的第一基板，该第一信息存储区域能够利用波长为770nm至830nm的第一光束再现其中的信息; 形成具有第二信息存储区域的第二基板，所述第二信息存储区域能够利用波长为615-655nm但相对于所述第一光束相对透明的第二光束再现信息; 以及将所述第一基板与所述第二基板结合在一起，而所述第一和第二信息区域彼此面对。

6. 发明授权

US06241843B1 Multilayer optical disk 失效
标题翻译：多层光盘
公开(公告)号：US06241843B1
公开(公告)日：2001-06-05
申请号：US09086277
申请日：1998-05-28
申请人： Masahiko Kaneko , Nobuhiko Umezu , Katsuhisa Aratani , Ariyoshi Nakaoki
发明人： Masahiko Kaneko , Nobuhiko Umezu , Katsuhisa Aratani , Ariyoshi Nakaoki
IPC分类号： B32B3106
CPC分类号： G11B7/242 , G11B7/005 , G11B7/08511 , G11B7/127 , G11B7/24 , G11B7/24038 , G11B7/244 , G11B7/2531 , G11B7/2534 , G11B7/2542 , G11B7/257 , G11B7/2578 , G11B7/258 , G11B7/2585 , G11B2007/2571 , G11B2007/25713 , Y10S428/913 , Y10S430/146 , Y10T428/21 , Y10T428/31678
摘要： A multilayer optical disk having an information storage layer which can as well as be reproduced by a general purpose reproducing apparatus, for example, a compact disk player, and from which information can be read from other information storage layers by using an exclusive reproducing apparatus. The method of manufacturing a multilayer disk comprises the steps of forming a first substrate having a first information storage area enabling reproduction of information therein with a first light beam having a wavelength of 770 nm to 830 nm; forming a second substrate having a second information storage area enabling reproduction of information therein with a second light beam having a wavelength of 615-655 nm but which is relatively transparent with respect to said first light beam; and bonding said first substrate to said second substrate together without said first and second said information areas facing each other.
摘要翻译：具有信息存储层的多层光盘，其可以由通用再现装置（例如，光盘播放器）再现，并且可以通过使用专用再现装置从其它信息存储层读取信息。制造多层盘的方法包括以下步骤：形成具有第一信息存储区域的第一基板，该第一信息存储区域能够利用波长为770nm至830nm的第一光束再现其中的信息; 形成具有第二信息存储区域的第二基板，所述第二信息存储区域能够利用波长为615-655nm但相对于所述第一光束相对透明的第二光束再现信息; 以及将所述第一基板与所述第二基板结合在一起，而所述第一和第二信息区域彼此面对。

7. 发明授权

US5766717A Multilayer optical disk 失效
标题翻译：多层光盘
公开(公告)号：US5766717A
公开(公告)日：1998-06-16
申请号：US629564
申请日：1996-04-09
申请人： Masahiko Kaneko , Nobuhiko Umezu , Katsuhisa Aratani , Ariyoshi Nakaoki
发明人： Masahiko Kaneko , Nobuhiko Umezu , Katsuhisa Aratani , Ariyoshi Nakaoki
IPC分类号： G11B7/125 , G11B7/005 , G11B7/085 , G11B7/244 , G11B7/257 , G11B7/258 , B32B3/00
CPC分类号： G11B7/242 , G11B7/127 , G11B7/24 , G11B7/24038 , G11B7/244 , G11B7/257 , G11B7/258 , G11B2007/2571 , G11B2007/25713 , G11B7/005 , G11B7/08511 , G11B7/2531 , G11B7/2534 , G11B7/2542 , G11B7/2578 , G11B7/2585 , Y10S428/913 , Y10S430/146 , Y10T428/21 , Y10T428/31678
摘要： A multilayer optical disk having an information storage layer which can as well as be reproduced by a general-purpose reproducing apparatus, for example, a compact disk player, and from which information can be read from other information storage layers by using an exclusive reproducing apparatus. The multilayer optical disk having a plurality of information storage layers according to the present invention includes a plurality of information storage layers, wherein one of the plural information storage layers has a reflection factor of 70% or higher with respect to a wavelength of 770 nm to 830 nm which is a first wavelength of reproducing light, and other information storage layers are reproduced with reproducing light having a second wavelength which is different from the first wavelength of reproducing light. Each of the other information storage layers has a reflection factor of 20% or higher with respect to the second wavelength of reproducing light. The second wavelength of reproducing light is 615 nm to 655 nm.
摘要翻译：具有信息存储层的多层光盘，其可以由通用再现装置（例如，光盘播放器）再现，并且可以通过使用专用再现装置从其它信息存储层读取信息。根据本发明的具有多个信息存储层的多层光盘包括多个信息存储层，其中多个信息存储层中的一个信息存储层的反射率相对于770nm的波长具有70％以上的反射率，作为再现光的第一波长的830nm以及其他信息存储层被再现具有不同于再现光的第一波长的第二波长的再现光。每个其它信息存储层相对于再现光的第二波长具有20％或更高的反射系数。再生光的第二波长为615nm〜655nm。

8. 发明授权

US5761187A Multi-layer optical disk 失效
标题翻译：多层光盘
公开(公告)号：US5761187A
公开(公告)日：1998-06-02
申请号：US697275
申请日：1996-08-27
申请人： Masahiko Kaneko , Katsuhisa Aratani , Ariyoshi Nakaoki
发明人： Masahiko Kaneko , Katsuhisa Aratani , Ariyoshi Nakaoki
IPC分类号： G11B7/24 , G11B7/256 , G11B7/258
CPC分类号： G11B7/24 , G11B7/256 , G11B7/258
摘要： The present invention provides a multi-layer optical disk, in which even if a wave length of read light is changed at a time of reproducing, both of reproduction signals from a first information memory layer and a second information memory layer have sufficient levels. In a multi-layer optical disk, in which a first information memory layer and a second information memory layer are sequentially film-formed on a substrate and information recorded on the first information memory layer and the second information memory layer are reproduced by irradiating read light from a substrate side, the first information memory layer and the second information memory layer can be reproduced by a first read light and a second read light which is shorter in wave length than this first read light, and the first information memory layer is made of material in which a refractive index n and an extinction coefficient k in a wave length area of the first read light comply with the following conditions: 0.ltoreq.k.ltoreq.0.25 n=.alpha.-k+2.8 (where .alpha. is a constant and 0.15.ltoreq..alpha..ltoreq.0.45)
摘要翻译：本发明提供一种多层光盘，其中即使在再现时读取光的波长变化，来自第一信息存储层和第二信息存储层的再现信号都具有足够的电平。在多层光盘中，第一信息存储层和第二信息存储层顺序成膜在衬底上，并且通过照射读取光来再现记录在第一信息存储层和第二信息存储层上的信息可以通过第一读取光和比第一读取光更短波长的第二读取光再现第一信息存储层和第二信息存储层，并且第一信息存储层由基板侧构成，并且第一信息存储层由在第一读取光的波长区域中的折射率n和消光系数k符合以下条件的材料：0 <= k

9. 发明授权

US06324148B1 Optical disk and optical information recording/reproducing apparatus 失效
标题翻译：光盘和光信息记录/重放装置
公开(公告)号：US06324148B1
公开(公告)日：2001-11-27
申请号：US08839752
申请日：1997-04-15
申请人： Masahiko Kaneko , Ariyoshi Nakaoki , Katsuhisa Aratani
发明人： Masahiko Kaneko , Ariyoshi Nakaoki , Katsuhisa Aratani
IPC分类号： G11B724
CPC分类号： G11B11/10586 , G11B11/10584 , Y10T428/21
摘要： An optical disk includes at least two information recording layers on one side of the disk and at least the first information recording layer from the light incident side is of an erasable type formed with a material such as bismuth-substituted magnetic garnet or cobalt ferrite which has an extinction coefficient, a coefficient of an imaginary part of a complex index of refraction, being not more than 1.0, but not less than 0.5, and gives a large magneto-optic effect and a small light absorptivity.
摘要翻译：光盘在盘的一侧包括至少两个信息记录层，并且至少来自光入射侧的第一信息记录层是由诸如铋取代的磁性石榴石或钴铁氧体的材料形成的可擦除型，其具有消光系数，复数折射率的虚部的系数不大于1.0，但不小于0.5，并且具有大的磁光效应和小的光吸收率。

10. 发明授权

US5989670A Multilayer optical disk 失效
标题翻译：多层光盘
公开(公告)号：US5989670A
公开(公告)日：1999-11-23
申请号：US86276
申请日：1998-05-28
申请人： Masahiko Kaneko , Nobuhiko Umezu , Katsuhisa Aratani , Ariyoshi Nakaoki
发明人： Masahiko Kaneko , Nobuhiko Umezu , Katsuhisa Aratani , Ariyoshi Nakaoki
IPC分类号： G11B7/125 , G11B7/005 , G11B7/085 , G11B7/244 , G11B7/257 , G11B7/258 , B32B3/00
CPC分类号： G11B7/242 , G11B7/127 , G11B7/24 , G11B7/24038 , G11B7/244 , G11B7/257 , G11B7/258 , G11B2007/2571 , G11B2007/25713 , G11B7/005 , G11B7/08511 , G11B7/2531 , G11B7/2534 , G11B7/2542 , G11B7/2578 , G11B7/2585 , Y10S428/913 , Y10S430/146 , Y10T428/21 , Y10T428/31678
摘要： A multilayer optical disk having an information storage layer which can as well as be reproduced by a general purpose reproducing apparatus, for example, a compact disk player, and from which information can be read from other information storage layers by using an exclusive reproducing apparatus. The multilayer disk has a first substrate on which is formed a first information storage layer which is relatively highly reflective with respect to a light beam having a wavelength of 770-830 nm; and a second substrate on which is formed a second information layer which is relatively transparent with respect to a light beam having a first substrate on which is formed a wavelength of 770 mn to 830 nm but which is sufficiently reflective with respect to a light beam having a wavelength of 615-655 nm.
摘要翻译：具有信息存储层的多层光盘，其可以由通用再现装置（例如，光盘播放器）再现，并且可以通过使用专用再现装置从其它信息存储层读取信息。多层盘具有第一基板，在其上形成有相对于波长为770-830nm的光束相对高反射的第一信息存储层; 和第二基板，其上形成有相对于具有第一基板的光束相对透明的第二信息层，其上形成有770nm至830nm的波长，但是相对于具有波长615-655nm。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式