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1. 发明申请

US20060077878A1 Phase-change optical recording media and optical recording-reproducing apparatus 失效
标题翻译：相变光学记录介质和光学记录再现装置
公开(公告)号：US20060077878A1
公开(公告)日：2006-04-13
申请号：US11224097
申请日：2005-09-13
申请人： Tsukasa Nakai , Yasuaki Ootera , Sumio Ashida , Keiichiro Yusu , Nobuhisa Yoshida , Koji Takazawa , Naomasa Nakamura
发明人： Tsukasa Nakai , Yasuaki Ootera , Sumio Ashida , Keiichiro Yusu , Nobuhisa Yoshida , Koji Takazawa , Naomasa Nakamura
IPC分类号： G11B7/24
CPC分类号： G11B7/243 , G11B7/0938 , G11B7/24038 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316
摘要： The present invention relates to an optical recording media including two or more information layers, at least one of the information layers including a writable recording film. In the optical recording media, at least one information layer has protrusions and recesses that permit tracking and at least another one information layer is substantially flat.
摘要翻译：本发明涉及一种包括两个或多个信息层的光学记录介质，至少一个信息层包括可写入记录膜。在光学记录介质中，至少一个信息层具有允许跟踪并且至少另外一个信息层基本平坦的突起和凹陷。

2. 发明授权

US07643397B2 Phase-change optical recording media and optical recording-reproducing apparatus 失效
标题翻译：相变光学记录介质和光学记录再现装置
公开(公告)号：US07643397B2
公开(公告)日：2010-01-05
申请号：US11224097
申请日：2005-09-13
申请人： Tsukasa Nakai , Yasuaki Ootera , Sumio Ashida , Keiichiro Yusu , Nobuhisa Yoshida , Koji Takazawa , Naomasa Nakamura
发明人： Tsukasa Nakai , Yasuaki Ootera , Sumio Ashida , Keiichiro Yusu , Nobuhisa Yoshida , Koji Takazawa , Naomasa Nakamura
IPC分类号： H04B1/56 , H04B3/40
CPC分类号： G11B7/243 , G11B7/0938 , G11B7/24038 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316
摘要： The present invention relates to an optical recording media including two or more information layers, at least one of the information layers including a writable recording film. In the optical recording media, at least one information layer has protrusions and recesses that permit tracking and at least another one information layer is substantially flat.
摘要翻译：本发明涉及一种包括两个或多个信息层的光学记录介质，至少一个信息层包括可写入记录膜。在光学记录介质中，至少一个信息层具有允许跟踪并且至少另外一个信息层基本平坦的突起和凹陷。

3. 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。

4. 发明授权

US07335459B2 Phase-change optical recording medium 失效
标题翻译：相变光记录介质
公开(公告)号：US07335459B2
公开(公告)日：2008-02-26
申请号：US10717963
申请日：2003-11-21
申请人： Sumio Ashida , Takayuki Tsukamoto , Keiichiro Yusu , Katsutaro Ichihara , Noritake Ohmachi , Naomasa Nakamura , Nobuhisa Yoshida
发明人： Sumio Ashida , Takayuki Tsukamoto , Keiichiro Yusu , Katsutaro Ichihara , Noritake Ohmachi , Naomasa Nakamura , Nobuhisa Yoshida
IPC分类号： G11B7/24
CPC分类号： G11B7/2578 , G11B7/24038 , G11B7/24065 , G11B7/243 , G11B2007/25706 , G11B2007/25715
摘要： A phase-change optical recording medium includes a phase-change optical recording film that permits reversible phase change between a crystalline phase and an amorphous phase upon irradiation with light, and an interface film formed of hafnium oxide, or a mixture of hafnium oxide and at least one oxide selected from the group consisting of cerium oxide, titanium oxide and zirconium oxide, and formed in contact with at least one surface of the phase-change optical recording film.
摘要翻译：相变型光记录介质包括：相变光学记录膜，其在照射光时允许结晶相和非晶相之间的可逆相变，以及由氧化铪或氧化铪的混合物形成的界面膜选自由氧化铈，氧化钛和氧化锆组成的组中的至少一种氧化物，并且与所述相变光学记录膜的至少一个表面接触形成。

5. 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

6. 发明申请

US20060251850A1 Optical disc, information reproducing method, and information recording method 审中-公开
标题翻译：光盘，信息再现方法和信息记录方法
公开(公告)号：US20060251850A1
公开(公告)日：2006-11-09
申请号：US11418300
申请日：2006-05-05
申请人： Yasuaki Ootera , Kazuyo Umezawa , Nobuhisa Yoshida , Naomasa Nakamura , Koji Takazawa
发明人： Yasuaki Ootera , Kazuyo Umezawa , Nobuhisa Yoshida , Naomasa Nakamura , Koji Takazawa
IPC分类号： B32B3/02
CPC分类号： G11B7/24038 , G11B7/24082 , G11B7/26
摘要： An optical disc comprising three or more of a predetermined number of information recording layers between a first molding disc and a second molding disc, each of which has an incident face, is featured in that a distance between the incident face and each of the information recording layers is within the range of 600±55 μm.
摘要翻译：一种光盘，包括在第一成型盘和第二成型盘之间的预定数量的信息记录层中的三个或更多个，每个具有入射面，其特征在于入射面与每个信息记录之间的距离层在600±55μm的范围内。

7. 发明申请

US20070242596A1 OPTICAL DISK, OPTICAL DISK APPARATUS, AND OPTICAL DISK REPRODUCING METHOD 审中-公开
标题翻译：光盘，光盘设备和光盘再现方法
公开(公告)号：US20070242596A1
公开(公告)日：2007-10-18
申请号：US11690376
申请日：2007-03-23
申请人： Yasuaki Ootera , Nobuhisa Yoshida , Naomasa Nakamura
发明人： Yasuaki Ootera , Nobuhisa Yoshida , Naomasa Nakamura
IPC分类号： G11B7/24 , G11B3/74
CPC分类号： G11B7/24038
摘要： According to one embodiment, a multilayer optical disk includes three or more recording layers, and one of conditions (1) Rn/((Rn−1+Rn−2)/2)>0.6, and (2) Rn×(100−Rn−1)2/(Rn−2×Rn−1×Rn−1)>30 is satisfied, where Rn(%) is a reflectivity of an nth layer (n>2) when seen from a surface on which a reproducing light is incident.
摘要翻译：根据一个实施例，多层光盘包括三个或更多个记录层，并且条件（1）中的一个R n /（（R n-1 + R＆lt; SUB > 2，...，0.6，和（2）R n x（100-R n-1）2 / 满足以下条件：其中，R 1，其中，R n，n，n，x，n，n， / SUB>（％）是从再现光入射的表面观察时第n层（n> 2）的反射率。

8. 发明申请

US20070058516A1 INFORMATION RECORDING MEDIUM AND OPTICAL DISC APPARATUS 审中-公开
标题翻译：信息记录媒体和光盘设备
公开(公告)号：US20070058516A1
公开(公告)日：2007-03-15
申请号：US11469608
申请日：2006-09-01
申请人： Kazuo Watabe , Yasuaki Ootera , Nobuhisa Yoshida , Naomasa Nakamura
发明人： Kazuo Watabe , Yasuaki Ootera , Nobuhisa Yoshida , Naomasa Nakamura
IPC分类号： G11B7/00 , G11B3/70
CPC分类号： G11B7/24038
摘要： An embodiment of the invention, an information recording medium has a first recording layer, a second recording layer which is provided with respect to the first recording layer through a first space layer with a first thickness, a third recording layer which is provided with respect to the second recording layer through a second space layer whose thickness is different from the first space layer and is set to a predetermined magnitude with respect to the thickness of the first space layer, a first substrate which supports the first recording layer, and a second substrate which supports the third recording layer, and it is possible to manufacture with high productivity an information recording medium having three or more recording layers hard to cause interlayer crosstalk.
摘要翻译：本发明的实施例中，信息记录介质具有第一记录层，通过具有第一厚度的第一空间层相对于第一记录层设置的第二记录层，相对于第一记录层设置的第三记录层所述第二记录层通过第二空间层，所述第二空间层的厚度与所述第一空间层不同，并且相对于所述第一空间层的厚度被设定为预定的大小;第一基板，其支撑所述第一记录层;以及第二基板其支持第三记录层，并且可以以高生产率制造具有三层或更多层难以引起层间串扰的记录层的信息记录介质。

9. 发明申请

US20080151727A1 OPTICAL DISK AND OPTICAL DISK APPARATUS USING THE SAME 审中-公开
标题翻译：光盘和光盘使用该光盘
公开(公告)号：US20080151727A1
公开(公告)日：2008-06-26
申请号：US11958137
申请日：2007-12-17
申请人： Naomasa Nakamura , Nobuhisa Yoshida , Yasuaki Ootera
发明人： Naomasa Nakamura , Nobuhisa Yoshida , Yasuaki Ootera
IPC分类号： G11B7/20 , G11B7/26
CPC分类号： G11B7/26 , B32B3/00 , G11B7/24038 , G11B7/258 , G11B7/2585 , G11B7/259
摘要： According to one embodiment, in a single-sided, triple-layered optical disk, at least a first reflecting layer on the light incident side is made of silicon or a silicon compound, and has a recording density lower than those of second and third reflecting layers.
摘要翻译：根据一个实施例，在单面三层光盘中，光入射侧的至少第一反射层由硅或硅化合物制成，并且具有低于第二和第三反射的记录密度层。

10. 发明申请

US20080056114A1 Optical Disc, Optical Disc Device, and Optical Disc Reproducing Method 审中-公开
标题翻译：光盘，光盘装置和光盘再现方法
公开(公告)号：US20080056114A1
公开(公告)日：2008-03-06
申请号：US11848150
申请日：2007-08-30
申请人： Yasuaki Ootera , Nobuhisa Yoshida , Naomasa Nakamura
发明人： Yasuaki Ootera , Nobuhisa Yoshida , Naomasa Nakamura
IPC分类号： G11B3/70 , B32B3/02
CPC分类号： G11B7/266 , G11B7/24 , G11B7/24038 , G11B7/2467 , G11B7/2472 , G11B7/248 , G11B7/249 , G11B7/258 , G11B7/2585 , G11B7/259 , G11B7/263
摘要： According to one embodiment, disclosed is an optical disc in which information is recorded by a pit pattern and which includes a reflection membrane. When concavities and convexities of the pits are opposite to those of a usual case, the reflection membrane is formed on the pits in the form of a two-layer membrane of silver or a silver alloy and aluminum or an aluminum alloy. The reflection membrane is formed with a two-layer structure including a first layer and a second layer different from the first layer. The material of the first layer is aluminum, an aluminum alloy or aluminum oxide. The second layer contacts the first layer and its material is silver or a silver alloy.
摘要翻译：根据一个实施例，公开了一种光盘，其中信息通过凹坑图案记录并且包括反射膜。当凹坑的凹凸与通常的情况相反时，反射膜以银或银合金和铝或铝合金的双层膜的形式形成在凹坑上。反射膜由具有不同于第一层的第一层和第二层的双层结构形成。第一层的材料是铝，铝合金或氧化铝。第二层接触第一层，其材料是银或银合金。

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