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1. 发明公开

EP2482280A1 OPTICAL RECORDING MEDIUM AND METHOD FOR MANUFACTURING OPTICAL RECORDING MEDIUM 审中-公开
标题翻译：光学记录介质及其制造方法的光学记录介质
公开(公告)号：EP2482280A1
公开(公告)日：2012-08-01
申请号：EP10818771.7
申请日：2010-09-17
申请人： TDK Corporation , Panasonic Corporation , Sony Corporation
发明人： INOUE, Hiroyasu , KIKUKAWA, Takashi , MISHIMA, Koji , KOMMA, Yoshiaki , ANZAI, Joji , NAKANO, Jun , MIYAWAKI, Manami , TAKAGAWA, Shigeki
IPC分类号： G11B7/24
CPC分类号： G11B7/24038 , Y10T428/21
摘要： An optical recording medium having three or more information recording layers reduces crosstalk caused by multi-reflected beams and improves signal quality. In the optical recording medium having three or more information recording layers, the refractive index of a plurality of intermediate layers disposed between adjacent information recording layers is greater than the refractive index of a cover layer disposed between a light incident surface and an information recording layer being the closest from the light incident surface.
摘要翻译：具有三个或多个信息记录层的光记录介质，减少了串扰通过多反射光束引起的，改善的信号质量。在具有三个或多个信息记录层中，相邻的信息记录层之间设置中间层的多个折射率的光学记录介质是比光入射面之间，并且在信息记录层设置的覆盖层的折射率大从光入射面的距离最近。

2. 发明公开

EP2337027A1 OPTICAL RECORDING MEDIUM AND METHOD FOR MANUFACTURING OPTICAL RECORDING MEDIUM 审中-公开
标题翻译：奥地利新西兰皇家赫尔辛基广播公司AUFZEICHNUNGSMEDIUMS
公开(公告)号：EP2337027A1
公开(公告)日：2011-06-22
申请号：EP09820423.3
申请日：2009-10-13
申请人： Panasonic Corporation , TDK Corporation , Sony Corporation
发明人： KOMMA,Yoshiaki , ANZAI, Joji , INOUE, Hiroyasu , KIKUKAWA, Takashi , MISHIMA, Koji , NAKANO, Jun , MIYAWAKI, Manami , TAKAGAWA, Shigeki
IPC分类号： G11B7/24
CPC分类号： G11B7/24038 , G11B7/1376 , G11B7/13925 , Y10T428/21
摘要： An object of the invention is to provide an optical recording medium and a method for producing an optical recording medium that enable to improve the quality of a servo signal and a reproduction signal. The optical recording medium (40) satisfies: t3-t4 ≧ 1 µm, t4-t2 ≧ 1 µm, t2 ≧ 10 µm, and t1-(t2+t3+t4)≧ 1 µm, where t1 is a thickness between a surface (40z) of the optical recording medium (40), and the first information recording surface (40a), t2 is a thickness between the first optical recording surface (40a) and the second information recording surface (40b), t3 is a thickness between the second optical recording surface (40b) and the third information recording surface (40c), and t4 is a thickness between the third optical recording surface (40c) and the fourth information recording surface (40d).
摘要翻译：本发明的目的是提供一种能够提高伺服信号和再现信号的质量的光学记录介质和光学记录介质的制造方法。光记录介质（40）满足：t3-t4‰§1μm，t4-t2‰§1μm，t2‰§10μm，t1-（t2 + t3 + t4）‰§1μm，其中t1是在光记录介质（40）的表面（40z）与第一信息记录表面（40a）之间的厚度t2是第一光学记录表面（40a）和第二信息记录表面（40b）之间的厚度，t3 是第二光记录面（40b）和第三信息记录面（40c）之间的厚度，t4是第三光记录面（40c）与第四信息记录面（40d）之间的厚度。

3. 发明公开

EP2731105A1 OPTICAL RECORDING MEDIUM 审中-公开
标题翻译：光学记录介质
公开(公告)号：EP2731105A1
公开(公告)日：2014-05-14
申请号：EP12807965.4
申请日：2012-06-29
申请人： Sony Corporation
发明人： TAKAHASHI, Kensaku , MIKI, Takeshi , NAKANO, Jun
IPC分类号： G11B7/24
CPC分类号： G11B7/00718 , G11B7/24079 , G11B7/261
摘要： The present technology relates to an optical recording medium for realizing an optical recording medium capable of high-capacity recording. A groove and a land are formed, the groove being concave and the land being convex when seen from a side of a laser light incident surface, both of the groove and the land being recording tracks where recording or reproduction of information is performed. According to this recording layer, a pitch between the groove and the land that are adjacent recording tracks is within a range of 250 nm to 200 nm. Moreover, recording or reproduction of information is performed with respect to the recording tracks by irradiation of laser light whose wavelength is 400 nm to 415 nm by an optical system whose NA is 0.85+0.1.
摘要翻译：本技术涉及用于实现能够进行高容量记录的光学记录介质的光学记录介质。当从激光入射表面侧观察时，凹槽和平台形成凹槽和凸台，凹槽和平台两者都是执行信息记录或再现的记录轨道。根据该记录层，与记录轨道相邻的凹槽和平台之间的间距在250nm至200nm的范围内。此外，通过利用NA为0.85±0.1的光学系统照射波长为400nm〜415nm的激光，对记录轨道进行信息记录或再生。

4. 发明公开

EP2278585A1 OPTICAL DISC RECORDING MEDIUM MANUFACTURING METHOD 审中-公开
标题翻译：光盘记录介质制造方法
公开(公告)号：EP2278585A1
公开(公告)日：2011-01-26
申请号：EP09746423.4
申请日：2009-03-09
申请人： Sony Corporation
发明人： OHOSHI, Toshio , NAKANO, Jun , AKIYAMA, Shoji , TANUPRAYOGI, Reynard
IPC分类号： G11B7/26
CPC分类号： G11B7/263 , G11B7/24038
摘要： Provided is a method of producing an optical disc recording medium with which an inexpensive optical disc recording medium can be produced.
For this purpose, the method of producing an optical disc recording medium of the present invention includes the steps of preparing a transfer substrate; forming an ultraviolet-curable resin layer on a surface of the transfer substrate; forming a projection-and-recess pattern on the ultraviolet-curable resin layer by pressing a nickel stamper having a desired projection-and-recess pattern onto the ultraviolet-curable resin layer under pressure while performing ultraviolet irradiation from the reverse surface side of the transfer substrate, and forming a recording layer on the ultraviolet-curable resin layer on which the projection-and-recess pattern is formed, wherein recording layers are formed in descending order of the light transmittance.
摘要翻译：本发明提供一种能够制造廉价的光盘记录介质的光盘记录介质的制造方法。为此目的，本发明的制造光盘记录介质的方法包括以下步骤：准备转印基板; 在所述转印基板的表面上形成紫外线固化树脂层; 在紫外线固化性树脂层上，在紫外线固化性树脂层上，在紫外线固化性树脂层上进行紫外线照射，同时在该紫外线固化性树脂层上加压具有所期望的凹凸图案的凹凸图案，并从该转印面的背面一侧进行紫外线照射，由此形成凹凸图案在形成有所述凹凸图案的所述紫外线固化树脂层上形成记录层，所述记录层以所述透光率从大到小的顺序形成。

5. 发明公开

EP1494228A1 OPTICAL RECORDING MEDIUM AND PRODUCTION METHOD THEREFOR 有权
标题翻译：记录介质和方法OPTICAL保证生产
公开(公告)号：EP1494228A1
公开(公告)日：2005-01-05
申请号：EP03717539.5
申请日：2003-04-03
申请人： Sony Corporation
发明人： MASUHARA, Shin , NAKANO, Jun
IPC分类号： G11B7/24 , G11B7/26
CPC分类号： G11B23/40 , G11B7/24094 , G11B7/261
摘要： An optical recording medium wherein characters can be easily recognized on an optical disk irradiated with a light through a light transmitting layer and a method of producing the same are provided. In an optical disk of a type that an optical recording layer is irradiated with a light through a light transmitting protective layer, dealing with a larger capacity, wherein one main surface of a medium substrate 15 is divided to a signal portion SG and a character portion CA, a signal portion uneven shape (15p) is formed on the signal portion SG and a character portion uneven shape (15p) is formed on the character portion CA, and depths of the signal portion uneven shape and the character portion uneven shape are 25 nm or less. Here, it is configured that characters are recorded to be able to be read as normal characters when looking from the medium substrate 15 side (Y-direction) by outlines of a region formed with the character portion uneven shape on the character portion CA.

6. 发明公开

EP2437261A1 PRERECORDED OPTICAL RECORDING MEDIUM 审中-公开
标题翻译： VORAB AUFGEZEICHNETES OPTISCHES AUFZEICHNUNGSMEDIUM
公开(公告)号：EP2437261A1
公开(公告)日：2012-04-04
申请号：EP10780212.6
申请日：2010-05-17
申请人： Sony Corporation , SONY DADC Corporation
发明人： SAKAMOTO, Tetsuhiro , NAKANO, Jun , ENDO, Takehide , OKAWA, Naoki
IPC分类号： G11B7/258 , G11B7/24
CPC分类号： G11B7/00736 , G11B7/2585 , Y10T428/24545
摘要： [Object] To provide a durable read-only optical recording medium having less variances in characteristics of a metal reflective film due to a temporal change.
[Solving Means] Provided is a read-only optical recording medium (100) including: a substrate (101); an information recording surface onto which information is recorded by combining pits (P) and lands (L); and a metal reflective film (102) that is provided in contact with the information recording surface and represented by Al 100-x-z X x Z z , where x and z each represent an atomic%, X is constituted of an element including at least Ti, Z is constituted of an element including at least Fe, x is 1.0 to 3.0, and z is 0.05 to 1.0.
摘要翻译：提供一种耐久的只读光学记录介质，其由于时间变化而具有较小的金属反射膜特性的变化。 [解决方案]提供了一种只读光学记录介质（100），包括：基板（101）; 信息记录表面，其中通过组合凹坑（P）和平台（L）而记录信息; 和与信息记录面接触并由Al 100-xz X x Z z表示的金属反射膜（102），其中x和z各自表示原子％，X由至少包含Ti Z由至少包含Fe，x为1.0〜3.0，z为0.05〜1.0的元素构成。

7. 发明授权

EP2028656B1 OPTICAL RECORDING MEDIUM HAVING WRITE ONCE METAL REFLECTION FILM 有权
标题翻译：具有金属反射层用于单写入光学记录介质
公开(公告)号：EP2028656B1
公开(公告)日：2011-11-09
申请号：EP07745419.7
申请日：2007-06-15
申请人： Sony Corporation , Kabushiki Kaisha Kobe Seiko Sho
发明人： SAKAMOTO, Tetsuhiro , NAKANO, Jun , OKAWA, Naoki , NAKAI, Junichi , TAUCHI, Yuki
IPC分类号： G11B7/258 , G11B7/24
CPC分类号： G11B7/259 , G11B7/00736 , Y10T428/21
摘要： A pirated edition of an optical recording medium produced by physically transferring the profile of pits and lands formed on the substrate of the optical recording medium can be judged. An optical recording medium excellent in weatherability and having long term preservation reliability is provided. On a substrate recording main data combining pits and lands, a reflection film composed of an Ag alloy film of Ag100-x-yXxCuy, where X is at least one kind of element among Ti, W, Ta, V, Mo, Nb, Zr, is formed so that a mark for elevating the record mark reproduction signal level of write once recording sub-data to the reflection film but for lowering the reproduction signal level in an optical recording medium produced by physically transferring the surface profiles of pits and lands on the substrate can be formed, thus judging a pirated edition of optical recording medium.

8. 发明授权

EP1609614B1 OPTICAL RECORDING MEDIUM 有权
公开(公告)号：EP1609614B1
公开(公告)日：2007-12-26
申请号：EP04719136.6
申请日：2004-03-10
申请人： Sony Corporation
发明人： YASUDA, Kouichi , OYAMADA, Mitsuaki , NAKANO, Jun , MITSUI, Norio , TAMADA, Sakuya
IPC分类号： B41M5/26 , G11B7/24
CPC分类号： G11B7/257 , G11B7/243 , G11B2007/24312 , G11B2007/2432 , G11B2007/24322 , G11B2007/2571
摘要： An optical recording medium using Sn as the recording material to improve the jitter is provided, in which on the surface of a disc substrate 11 where a concave and convex shape dividing a track area is formed, are formed on the surface of the concave and convex shape a first protective layer 31 for protecting at least an optical recording layer 31, an optical recording layer 12 using a chemical compound at least composed of tin (Sn), nitrogen (N) and oxygen (O), formed on the first protective layer, a second protective layer 32 for protecting this optical recording layer, formed on this optical recording layer, and a light-transmittable layer 13 formed on the second protective layer; with this structure, the optical recording layer 12 under high temperature and high humidity can be stabilized by means of the first and second protective layers 31 and 32.

9. 发明授权

EP1494228B1 OPTICAL RECORDING MEDIUM AND PRODUCTION METHOD THEREFOR 有权
标题翻译：光学记录介质及其制造方法
公开(公告)号：EP1494228B1
公开(公告)日：2012-08-22
申请号：EP03717539.5
申请日：2003-04-03
申请人： Sony Corporation
发明人： MASUHARA, Shin , NAKANO, Jun
IPC分类号： G11B7/007 , G11B7/24 , G11B7/26 , G11B23/40
CPC分类号： G11B23/40 , G11B7/24094 , G11B7/261
摘要： An optical recording medium enabling an easy visibility of characters, in an optical disk that applies light through a light transmitting layer, and a production method therefore. In an optical disk of a type that applies light to an optical recording layer through a light transmitting protection layer to accommodate an ever-increasing capacity, one main surface of a medium substrate (15) is divided into a signal unit SG and a character unit CA, a signal unit-use irregular shape (15p) is formed in the signal unit SG, and a character unit-use irregular shape (15p) is formed in the character unit CA, with the depths of the signal unit-use irregular shape (15p) and the character unit-use shape (15p) set to up to 25 nm. In the character unit CA, a character is recorded by the outline of an area where a character unit-use irregular shape is formed so that it can be read as a regular one when viewed from a medium substrate side (15) (Y direction).
摘要翻译：本发明提供一种光记录介质及其制造方法，该光记录介质能够容易地识别文字，在通过透光层照射光的光盘中。在通过光透射保护层向光记录层施加光以适应不断增加的容量的类型的光盘中，介质基板（15）的一个主表面被分成信号单元SG和字符单元 CA中，在信号单元SG中形成信号单元用不规则形状（15p），并且在字符单元CA中形成字符单元用不规则形状（15p），信号单元用不规则形状的深度（15p）和字符单位使用形状（15p）设置为最大25 nm。在字符单元CA中，通过形成字符单元用不规则形状的区域的轮廓来记录字符，从而当从中间基板侧（15）（Y方向）观看时能够读取字符单元用不规则形状的区域的轮廓，。

10. 发明公开

EP2028656A1 OPTICAL RECORDING MEDIUM HAVING WRITE ONCE METAL REFLECTION FILM 有权
标题翻译： OPTISCHES AUFZEICHNUNGSMEDIUM MIT METALLREFLEXIONSSCHICHT ZUM EINMALIGEN BESCHREIBEN
公开(公告)号：EP2028656A1
公开(公告)日：2009-02-25
申请号：EP07745419.7
申请日：2007-06-15
申请人： Sony Corporation , Kabushiki Kaisha Kobe Seiko Sho
发明人： SAKAMOTO, Tetsuhiro , NAKANO, Jun , OKAWA, Naoki , NAKAI, Junichi , TAUCHI, Yuki
IPC分类号： G11B7/258 , G11B7/24
CPC分类号： G11B7/259 , G11B7/00736 , Y10T428/21
摘要： A pirated optical recording medium may be determined which is produced by physically transferring a shape of pits and lands formed on a substrate of an optical recording medium. The optical recording medium is provided with excellent weatherability and long-term storage reliability. A reflective film formed of an Ag alloy film of Ag 100-x-y X x Cu y , where X is at least one element among Ti, W, Ta, V, Mo, Nb and Zr, is formed on a substrate on which main data is recorded with a combination of pits and lands. A mark may be formed so that a reproduction signal level in the recorded mark of auxiliary data write once recorded on the reflective film is increased, and a reproduction signal level is decreased in an optical recording medium prepared by physically transferring the surface shape of the pits and lands of the substrate. A pirated optical recording medium may be determined in this manner.
摘要翻译：可以确定通过物理地转移形成在光记录介质的基板上的凹坑和平台的形状产生的盗版光学记录介质。光记录介质具有优良的耐候性和长期的存储可靠性。由Ag 100-xy X x Cu y的Ag合金膜形成的反射膜，其中X是Ti，W，Ta，V，Mo，Nb和Zr中的至少一种元素，在基板上形成主要数据以坑和土地的组合记录。可以形成标记，使得一旦记录在反射膜上的辅助数据的记录标记中的再现信号电平增加，并且在通过物理地转移凹坑的表面形状而制备的光学记录介质中，再现信号电平降低和衬底的焊盘。可以以这种方式确定盗版光学记录介质。

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