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50 条记录 (耗时 0.029 秒)

    Optical recording medium and optical disk device
    31.
    发明授权
    Optical recording medium and optical disk device 有权
    光记录介质和光盘设备

    公开(公告)号：US06353592B1

    公开(公告)日：2002-03-05

    申请号：US09242911

    申请日：1999-06-09

    申请人： Toshiyuki Kashiwagi ,  Tetsuhiro Sakamoto ,  Kiyoshi Ohsato

    发明人： Toshiyuki Kashiwagi ,  Tetsuhiro Sakamoto ,  Kiyoshi Ohsato

    IPC分类号： G11B724

    CPC分类号： G11B7/252 ,  G11B7/0956 ,  G11B7/24053 ,  G11B7/24056 ,  G11B7/24067 ,  G11B7/2433 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/2548 ,  G11B7/2585 ,  G11B7/26 ,  G11B2007/24304

    摘要： The present invention provides an optical recording medium including a recording layer and a light-transmitting layer successively formed on one side of a substrate, so that a light is applied from the side of this light-transmitting layer for performing an information recording and/or reproduction. On the opposite side of the substrate not having the light-transmitting layer, a water-proof film consisting of at least one layer is formed. This suppresses the skew, enabling to improve the information recording and/or reproduction characteristics for a higher recording density. Furthermore, if the light-transmitting layer has a thickness t=3 to 177 micrometers in an information signal section of the recording medium, and a thickness fluctuation &Dgr;t ≦±5.26 (&lgr;/NA4) micrometers (wherein NA is a numerical aperture and &lgr; is a wavelength of the recording/reproduction optical system), it is possible to realize a high NA and a high capacity.

    摘要翻译： 本发明提供了一种光记录介质，其包括依次形成在基板的一侧的记录层和透光层，使得从该透光层的侧面施加光以进行信息记录和/或 再生产。 在不具有透光层的基板的相反侧，形成由至少一层构成的防水膜。 这抑制了偏斜，使得能够改善用于更高记录密度的信息记录和/或再现特性。 此外，如果透光层在记录介质的信息信号部分中的厚度t = 3至177微米，并且厚度波动ΔTTAt<=±5.26（lambd / NA4）微米（其中NA是数值孔径， 羔羊是记录/再现光学系统的波长），可以实现高NA和高容量。

    Optical disc and method for manufacturing same
    32.
    发明授权
    Optical disc and method for manufacturing same 有权
    光盘及其制造方法

    公开(公告)号：US06349086B2

    公开(公告)日：2002-02-19

    申请号：US09226701

    申请日：1999-01-07

    申请人： Masato Nishida ,  Tetsuhiro Sakamoto ,  Toshiyuki Kashiwagi ,  Motohiro Furuki

    发明人： Masato Nishida ,  Tetsuhiro Sakamoto ,  Toshiyuki Kashiwagi ,  Motohiro Furuki

    IPC分类号： G11B370

    CPC分类号： G11B7/2542 ,  B29D17/005 ,  B29L2009/00 ,  G11B7/24 ,  G11B7/2433 ,  G11B7/2531 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/254 ,  G11B7/2578 ,  G11B7/2585 ,  G11B7/26 ,  G11B7/266 ,  G11B2007/24304

    摘要： An optical disc and its manufacturing method in which humps may be prohibited from being formed on an outer rim area of the disc to assure optimum surface properties of a light transmitting layer of the disc to contribute to further increase in recording capacity. On a substrate 2 of an optical disc 1 are sequentially formed a recording portion 6 and a light transmitting layer 5. The light falls on the light transmitting layer 5 to record and/or reproduce information signals for a signal recording area 6a of the substrate 2. The radial distance D from the outermost rim of the substrate 2 to the signal recording area 6a is selected to be larger than the radial width L of a hump 5a formed on the outer rim of the light transmitting layer 5. The hump 5a has a height h from the surface of the light transmitting layer 5 not larger than 70 &mgr;m.

    摘要翻译： 一种光盘及其制造方法，其中可以禁止在盘的外缘区域上形成隆起，以确保光盘的光透射层的最佳表面特性有助于进一步提高记录容量。 在光盘1的基板2上顺序地形成有记录部6和透光层5.光落在透光层5上，以记录和/或再现基板2的信号记录区域6a的信息信号 选择从基板2的最外边缘到信号记录区域6a的径向距离D大于形成在透光层5的外缘上的隆起部5a的径向宽度L.隆起部5a具有 从透光层5的表面的高度h不大于70μm。

    RECORDING APPARATUS, RECORDING METHOD, AND OPTICAL RECORDING MEDIUM
    33.
    发明申请
    RECORDING APPARATUS, RECORDING METHOD, AND OPTICAL RECORDING MEDIUM 审中-公开
    记录装置，记录方法和光记录介质

    公开(公告)号：US20120281513A1

    公开(公告)日：2012-11-08

    申请号：US13497703

    申请日：2010-09-17

    申请人： Hirotaka Miyamoto ,  Tetsuhiro Sakamoto ,  Hisayuki Yamatsu ,  Hiroshi Uchiyama

    发明人： Hirotaka Miyamoto ,  Tetsuhiro Sakamoto ,  Hisayuki Yamatsu ,  Hiroshi Uchiyama

    IPC分类号： G11B7/085

    CPC分类号： G11B7/0037 ,  G11B7/0901 ,  G11B7/0908 ,  G11B7/24038 ,  G11B2007/0013

    摘要： [Object] To enable stable void recording to be performed with lower power than in a case where a conventional void recording method that records hole marks (voids) in a bulk layer is adopted.[Solving Means] First laser light is irradiated onto an optical recording medium in which a plurality of resin layers are formed while the first laser light is focused on a boundary surface of the resin layers, to thus record hole marks onto the boundary surface. Since a recording sensitivity of the hole marks is enhanced at the boundary surface of the resin layers, by recording hole marks onto the boundary surface as described above, laser power requisite for recording can be suppressed as compared to the conventional art. As a result, it becomes unnecessary to use a special laser such as a short-pulse laser, and even if a CW laser (CW: Continuous Wave) is used, a recording speed does not need to be sacrificed. By compensating weak points of the conventional void recording method, realizability of a large-capacity recording medium as a bulk-type recording medium can be additionally enhanced.

    摘要翻译： 与采用体积层中记录孔标（空隙）的常规空隙记录方法相比，能够以较低的功率进行稳定的空隙记录。 [解决方案]第一激光照射到其上形成有多个树脂层的光记录介质上，同时第一激光聚焦在树脂层的边界面上，从而将孔标记记录到边界表面上。 由于在树脂层的边界面处增加了孔标记的记录灵敏度，通过如上所述将孔标记记录到边界表面上，与传统技术相比，可以抑制用于记录的激光功率。 结果，不需要使用诸如短脉冲激光器的特殊激光器，并且即使使用CW激光器（CW：Continuous Wave），也不需要牺牲记录速度。 通过补偿常规空隙记录方法的弱点，可以进一步提高作为体型记录介质的大容量记录介质的可实现性。

    READ-ONLY OPTICAL DISC MEDIUM AND METHOD OF MANUFACTURING SAME
    36.
    发明申请
    READ-ONLY OPTICAL DISC MEDIUM AND METHOD OF MANUFACTURING SAME 审中-公开
    只读光盘及其制造方法

    公开(公告)号：US20090080312A1

    公开(公告)日：2009-03-26

    申请号：US12159009

    申请日：2007-11-08

    申请人： Tetsuhiro Sakamoto ,  Jun Nakano ,  Akiya Saito ,  Toshihiko Senno ,  Yoshinobu Usui ,  Makoto Tsukahara

    发明人： Tetsuhiro Sakamoto ,  Jun Nakano ,  Akiya Saito ,  Toshihiko Senno ,  Yoshinobu Usui ,  Makoto Tsukahara

    IPC分类号： G11B7/00 ,  G11B7/24 ,  B05D3/12 ,  B32B37/00

    CPC分类号： G11B7/00736 ,  G11B7/00451 ,  G11B7/263 ,  G11B7/268

    摘要： At the stage where disc substrates are to be manufactured in mass production by using a stamper, a section where pits/lands are not formed is formed in advance as an additional information recording section among recording tracks formed by a recording data sequence of pits/lands. A metal alloy reflection film is coated on the information recording surface including such an additional information recording section 10. Then, thereafter, additional information is recorded in the additional information recording section 10 by forming hole marks 6 by erasing or decreasing a partial area of the metal alloy reflection film. The additional information is recorded in a partial area of recording tracks in the information recording area (the area where information is recorded by a recording data sequence of pits/lands, the area including a content area and a management area such as a lead-in). The hole marks 6 are formed as marks from which logic values that are the same as those of pits are obtained at the time of reproduction.

    摘要翻译： 在通过使用压模来批量生产盘基片的阶段，预先形成没有形成凹坑/平台的部分作为附加信息记录部分，在由凹坑/平台的记录数据序列形成的记录道中 。 金属合金反射膜涂覆在包括这样的附加信息记录部分10的信息记录表面上。然后，通过擦除或减少附加信息记录部分10的部分区域来形成孔标记6，将附加信息记录在附加信息记录部分10中。 金属合金反射膜。 附加信息被记录在信息记录区域中的记录轨道的部分区域中（通过凹坑/区域的记录数据序列记录信息的区域，包括内容区域的区域和诸如引入区域的管理区域 ）。 孔标记6形成为在再现时获得与凹坑的逻辑值相同的逻辑值的标记。

    OPTICAL INFORMATION RECORDING MEDIUM AND METHOD OF MARKING BCA (BURST CUTTING AREA) INTO THE SAME
    37.
    发明申请
    OPTICAL INFORMATION RECORDING MEDIUM AND METHOD OF MARKING BCA (BURST CUTTING AREA) INTO THE SAME 失效
    光学信息记录介质和标记BCA（BURST切割区域）的方法

    公开(公告)号：US20090022044A1

    公开(公告)日：2009-01-22

    申请号：US11748739

    申请日：2007-05-15

    申请人： Tetsuhiro Sakamoto ,  Jun Nakano ,  Yuki Tauchi ,  Junichi Nakai

    发明人： Tetsuhiro Sakamoto ,  Jun Nakano ,  Yuki Tauchi ,  Junichi Nakai

    IPC分类号： G11B7/00

    CPC分类号： G11B7/00736 ,  G11B7/259

    摘要： An optical information recording medium includes a read-only information recording portion, and a BCA (Burst Cutting Area) portion formed by laser marking. A reflective film on an information recording surface of the read-only information recording portion and a reflective film on the BCA portion are formed of the same material. The reflective film includes Ag as a main component, and at least one of Nd and Gd, and at least one of Sn and In as components; the reflective film including at least one of Nd and Gd of 0.1 atom % or more and 3.0 atom % or less in total and at least one of Sn and In of 3 atom % or more and 12 atom % or less in total. Recorded information is reproduced from the information recording surface of the read-only information recording portion and a BCA signal is reproduced from the BCA portion, using blue-violet laser reproducing light.

    摘要翻译： 光学信息记录介质包括只读信息记录部分和通过激光打标形成的BCA（突发切割区域）部分。 只读信息记录部分的信息记录表面上的反射膜和BCA部分上的反射膜由相同的材料形成。 反射膜包括Ag作为主要成分，并且Nd和Gd中的至少一种以及Sn和In中的至少一种作为组分; 所述反射膜包括总共为0.1原子％以上且3.0原子％以下的Nd和Gd中的至少一种，Sn和In中的至少一种为3原子％以上且12原子％以下。 记录的信息从只读信息记录部分的信息记录表面再现，并且使用蓝紫激光再现光从BCA部分再现BCA信号。