公开(公告)号：US08025947B2

公开(公告)日：2011-09-27

申请号：US12243922

申请日：2008-10-01

申请人： Fumi Hara ,  Takeshi Otsu ,  Isao Matsuda ,  Shingo Katoh ,  Masashi Satoh

发明人： Fumi Hara ,  Takeshi Otsu ,  Isao Matsuda ,  Shingo Katoh ,  Masashi Satoh

IPC分类号： B32B3/02

CPC分类号： G11B7/266 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/2492 ,  G11B7/2495 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/25715 ,  Y10T428/21

摘要： An optical information recording medium has a substrate, and an optical reflection layer, an optical recording layer containing an organic dye, an interlayer, and a cover layer formed in this order on the substrate. The interlayer contains a sputtered Nb2O5—Al2O3-based composite oxide having an Nb2O5 content of more than 50 mol % and less than 60 mol %.

摘要翻译： 光学信息记录介质具有基板，光反射层，含有有机染料的光学记录层，中间层和覆盖层，依次形成在基板上。 中间层包含Nb 2 O 5含量超过50摩尔％且小于60摩尔％的溅射Nb 2 O 5 -Al 2 O 3复合氧化物。

公开(公告)号：US20080259762A1

公开(公告)日：2008-10-23

申请号：US12104078

申请日：2008-04-16

申请人： Fumi Hara ,  Takeshi Otsu ,  Masashi Satoh ,  Shingo Katoh ,  Isao Matsuda

发明人： Fumi Hara ,  Takeshi Otsu ,  Masashi Satoh ,  Shingo Katoh ,  Isao Matsuda

IPC分类号： G11B7/00 ,  G11B7/26

CPC分类号： G11B7/2575 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/2531 ,  G11B7/2532 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2585 ,  G11B7/259

摘要： An optical information recording medium includes a substrate having a through-hole provided at the central portion thereof and a guiding groove provided on a surface at the light-incident side; a reflective layer provided on the surface of the substrate having the guiding groove; a recording layer provided on the reflective layer and made of an organic substance containing a dye; and a light-transmissive cover layer provided on the recording layer, wherein the cover layer is made of a curable resin, and a modulus of elasticity of at least a portion of the cover layer facing the recording layer is in the range of about 34 MPa to about 96 MPa at 25° C.

摘要翻译： 光学信息记录介质包括具有设置在其中心部分处的通孔的基板和设置在光入射侧的表面上的引导槽; 设置在具有引导槽的基板的表面上的反射层; 设置在反射层上并由含有染料的有机物质制成的记录层; 以及设置在所述记录层上的透光性覆盖层，其中所述覆盖层由可固化树脂制成，并且所述覆盖层的面向所述记录层的至少一部分的弹性模量在约34MPa的范围内 在25℃下达到约96MPa

公开(公告)号：US08993086B2

公开(公告)日：2015-03-31

申请号：US14001158

申请日：2012-02-09

申请人： Takuo Kodaira ,  Isao Matsuda ,  Eiji Yamada

发明人： Takuo Kodaira ,  Isao Matsuda ,  Eiji Yamada

IPC分类号： G11B7/24 ,  G11B7/2467 ,  G11B7/24035 ,  G11B7/249

CPC分类号： G11B7/2467 ,  G11B7/24035 ,  G11B7/249 ,  Y10T428/21 ,  Y10T428/3154

摘要： A recordable optical recording medium is provided enabling reliably preventing the deterioration of the recording characteristics, even when stored for a long period of time in an environment of high temperature and humidity. A recordable optical recording medium includes a substrate, and on the substrate, a reflective layer, a recording layer, a protective layer, a light transmission layer in a single layer structure having optical transparency, and a hard coat layer. The recording layer is formed by addition of an additive which functions as reducing agent to an azo metal complex dye having a triazole structure.

摘要翻译： 即使在高温，高湿的环境中长时间存放的情况下，也能够可靠地防止记录特性的劣化。 可记录光学记录介质包括基板，并且在基板上具有反射层，记录层，保护层，具有光学透明度的单层结构的光透射层和硬涂层。 通过添加作为还原剂的添加剂形成到具有三唑结构的偶氮金属络合染料中来形成记录层。

公开(公告)号：US20140030550A1

公开(公告)日：2014-01-30

申请号：US14001153

申请日：2012-02-09

申请人： Takuo Kodaira ,  Isao Matsuda

发明人： Takuo Kodaira ,  Isao Matsuda

IPC分类号： G11B7/2467

CPC分类号： G11B7/2467 ,  C09B45/18 ,  C09B45/20 ,  C09B45/22 ,  G11B7/24056 ,  G11B7/249 ,  Y10T428/21

摘要： A recordable optical recording medium is provided enabling the light transmission layer to be a single layer, the inhibition of peeling of the recording layer even when stored in high-temperature/high-moisture conditions, and the reduction of degradation of the recording/reproduction characteristics. A recordable optical recording medium provided with a substrate, and, on the substrate in the following order, a reflective layer, a recording layer, a protective layer, and a light transmission layer. The optical recording medium has the recording layer formed thereon using an organic dye obtained by adding a highly waterproof, low hydrophilic organic dye to a triazole-based azo metal complex dye.

摘要翻译： 提供了可记录光学记录介质，使得光透射层成为单层，即使在高温/高湿度条件下储存时也抑制了记录层的剥离，并且降低了记录/再现特性 。 具有基板的可记录光学记录介质，并且在基板上依次具有反射层，记录层，保护层和光透射层。 光记录介质具有使用通过向三唑基偶氮金属络合物染料添加高度防水的低亲水性有机染料而获得的有机染料形成在其上的记录层。

公开(公告)号：US08993085B2

公开(公告)日：2015-03-31

申请号：US14001153

申请日：2012-02-09

申请人： Takuo Kodaira ,  Isao Matsuda

发明人： Takuo Kodaira ,  Isao Matsuda

IPC分类号： G11B7/24 ,  G11B7/2467 ,  G11B7/24056 ,  G11B7/249 ,  C09B45/18 ,  C09B45/20 ,  C09B45/22

CPC分类号： G11B7/2467 ,  C09B45/18 ,  C09B45/20 ,  C09B45/22 ,  G11B7/24056 ,  G11B7/249 ,  Y10T428/21

摘要： A recordable optical recording medium is provided enabling the light transmission layer to be a single layer, the inhibition of peeling of the recording layer even when stored in high-temperature/high-moisture conditions, and the reduction of degradation of the recording/reproduction characteristics. A recordable optical recording medium provided with a substrate, and, on the substrate in the following order, a reflective layer, a recording layer, a protective layer, and a light transmission layer. The optical recording medium has the recording layer formed thereon using an organic dye obtained by adding a highly waterproof, low hydrophilic organic dye to a triazole-based azo metal complex dye.

摘要翻译： 提供了可记录光学记录介质，使得光透射层成为单层，即使在高温/高湿度条件下储存时也抑制了记录层的剥离，并且降低了记录/再现特性 。 具有基板的可记录光学记录介质，并且在基板上依次具有反射层，记录层，保护层和光透射层。 光记录介质具有使用通过向三唑基偶氮金属络合物染料添加高度防水的低亲水性有机染料而获得的有机染料形成在其上的记录层。

公开(公告)号：US20130337270A1

公开(公告)日：2013-12-19

申请号：US14001158

申请日：2012-02-09

申请人： Takuo Kodaira ,  Isao Matsuda ,  Eiji Yamada

发明人： Takuo Kodaira ,  Isao Matsuda ,  Eiji Yamada

IPC分类号： G11B7/2467

CPC分类号： G11B7/2467 ,  G11B7/24035 ,  G11B7/249 ,  Y10T428/21 ,  Y10T428/3154

摘要： A recordable optical recording medium is provided enabling reliably preventing the deterioration of the recording characteristics, even when stored for a long period of time in an environment of high temperature and humidity. A recordable optical recording medium includes a substrate, and on the substrate, a reflective layer, a recording layer, a protective layer, a light transmission layer in a single layer structure having optical transparency, and a hard coat layer. The recording layer is formed by addition of an additive which functions as reducing agent to an azo metal complex dye having a triazole structure.

摘要翻译： 即使在高温，高湿的环境中长时间存放的情况下，也能够可靠地防止记录特性的劣化。 可记录光学记录介质包括基板，并且在基板上具有反射层，记录层，保护层，具有光学透明度的单层结构的光透射层和硬涂层。 通过添加作为还原剂的添加剂形成到具有三唑结构的偶氮金属络合染料中来形成记录层。

公开(公告)号：US07859982B2

公开(公告)日：2010-12-28

申请号：US11740179

申请日：2007-04-25

申请人： Isao Matsuda ,  Toru Fujii ,  Yoshikazu Takagishi ,  Fumi Hara

发明人： Isao Matsuda ,  Toru Fujii ,  Yoshikazu Takagishi ,  Fumi Hara

IPC分类号： G11B7/24

CPC分类号： G11B7/24076 ,  G11B7/00736 ,  G11B7/24079 ,  G11B7/263

摘要： An optical information recording medium comprises at least a substrate on which a groove is formed in a recording area, a recording layer comprising an organic dye, and a reflective layer. The recording area has a preformat area and a data area, and the groove in the preformat area is narrower or shallower than that in the data area.

摘要翻译： 光学信息记录介质至少包括在记录区域中形成有凹槽的基板，包含有机染料的记录层和反射层。 记录区域具有预格式区域和数据区域，并且预格式化区域中的凹槽比数据区域中的更窄或更浅。

公开(公告)号：US20060164965A1

公开(公告)日：2006-07-27

申请号：US10526162

申请日：2003-08-14

申请人： Isao Matsuda ,  Fumi Hara ,  Soichi Horikoshi

发明人： Isao Matsuda ,  Fumi Hara ,  Soichi Horikoshi

IPC分类号： G11B7/24

CPC分类号： G11B7/24085 ,  G11B7/00745 ,  G11B7/24082

摘要： It is an object to provide optical information recording media enabling the recording at high speeds and high densities, such as onto DVD-R discs or similar, of optical information, optimizing the shape of meandering land pre-pits 21, increasing clearness of diffraction of laser light 9 by the land pre-pits 21 to obtain a satisfactory land pre-pit signal, and simultaneously reducing RF readout errors for recorded pits and readout errors for land pre-pits 21, focusing on optimization of the size of the inside protruding portion 23 and outside protruding portion 25 relative to the spot 9S of the laser light 9 with respect to the shape and size of the land pre-pits 21, and when e is the base of natural logarithms, the media is characterized in that the inside edge portions 22 of the inside protruding portion 23 and the outside edge portions 24 of the outside protruding portion 25 of the land pre-pits 21 are positioned within the range of the spot diameter E2 in the 1/e2 portion of the Gaussian energy distribution of the spot 9S of laser light 9. Further, with respect to the distance Lin between the two inside edge portions 22 of the inside protruding portion 23 of the land pre-pits 21, the distance Lout between the two outside edge portions 24 of the outside protruding portion 25 of the land pre-pits 21, and the basic length T expressing the lengths of recorded pits, the media is further characterized in that the distances Lin and Lout are in the range 3 T to 6 T; that 0.40 μm≦Lin≦0.80 μm and 0.40 μm≦Lout≦0.80 μm; and that, when the inside protruding length in the radial direction on the inside of the arc shape of land pre-pits 8 is Rin and the outside protruding length is Rout, 0.120 μm≦Rin

公开(公告)号：US20100232277A1

公开(公告)日：2010-09-16

申请号：US12223256

申请日：2007-02-02

申请人： Isao Matsuda ,  Fumi Hara

发明人： Isao Matsuda ,  Fumi Hara

IPC分类号： G11B7/24 ,  G11B7/00 ,  G11B7/26

CPC分类号： G11B7/266 ,  G11B7/24035 ,  G11B7/24079 ,  G11B7/24085 ,  G11B7/246 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/2495 ,  G11B7/259 ,  G11B2007/24612

摘要： An object of the present invention is to provide an optical information recording medium suited for high-density and high-speed recording using a recording wavelength of 360 to 450 nm, in particular, around 400 nm (for example, 405 nm) and its recording method.The present invention is based not on a conventional High to Low method but on a Low to High method and, when the reflectance of the pit is higher than that of the non-pit area, the maximum film thickness of the recording layer at the track area where the pits are arranged is in the range from 25 to 60 nm and the maximum film thickness of the recording layer at the area adjacent to the track area is in the range of 5 to 30 nm, a satisfactory push-pull signal can be obtained. Further, the film thickness of the reflecting layer is preferably set in the range from 120 to 180 nm, and groove width of the reflection layer is preferably set in the range from 85 to 150 nm.

摘要翻译： 本发明的目的是提供一种适用于使用360至450nm，特别是约400nm（例如405nm）的记录波长的高密度和高速记录的光学信息记录介质，并且其记录 方法。 本发明不是基于常规的从高到低的方法，而是基于从低到高的方法，并且当凹坑的反射率高于非凹坑区域的反射率时，记录层在轨道处的最大膜厚度 凹坑布置的区域在25至60nm的范围内，并且与轨道区域相邻的区域处的记录层的最大膜厚度在5至30nm的范围内，令人满意的推挽信号可以是 获得。 此外，反射层的膜厚优选设定在120〜180nm的范围内，反射层的槽宽优选设定在85〜150nm的范围内。

公开(公告)号：US20070258348A1

公开(公告)日：2007-11-08

申请号：US11740179

申请日：2007-04-25

申请人： Isao Matsuda ,  Toru Fujii ,  Yoshikazu Takagishi ,  Fumi Hara

发明人： Isao Matsuda ,  Toru Fujii ,  Yoshikazu Takagishi ,  Fumi Hara

IPC分类号： G11B7/24

CPC分类号： G11B7/24076 ,  G11B7/00736 ,  G11B7/24079 ,  G11B7/263

摘要： An optical information recording medium comprises at least a substrate on which a groove is formed in a recording area, a recording layer comprising an organic dye, and a reflective layer. The recording area has a preformat area and a data area, and the groove in the preformat area is narrower or shallower than that in the data area.

摘要翻译： 光学信息记录介质至少包括在记录区域中形成有凹槽的基板，包含有机染料的记录层和反射层。 记录区域具有预格式区域和数据区域，并且预格式化区域中的凹槽比数据区域中的更窄或更浅。