公开(公告)号：US08018822B2

公开(公告)日：2011-09-13

申请号：US11871361

申请日：2007-10-12

Applicant: Takeshi Otsu ,  Fumi Hara ,  Shinichi Kojo ,  Atsuo Shimizu ,  Motomitsu Hagiwara

Inventor： Takeshi Otsu ,  Fumi Hara ,  Shinichi Kojo ,  Atsuo Shimizu ,  Motomitsu Hagiwara

IPC: G11B7/24

CPC classification number: G11B7/24079 ,  G11B7/00736

Abstract: An optical information recording medium includes an optical disk body including a light-transmitting substrate, a recording layer provided on a main surface of the light-transmitting substrate over a region in which pre-grooves are formed and a portion of a region in which dummy grooves are formed, and a reflecting layer provided over the recording layer and a region of the light-transmitting substrate in which the recording layer is not provided; and an ink receiving layer provided on the label surface side of the optical disc body. The dummy grooves provided in at least a portion of the region in which the dye material is not applied have a pitch larger than that of the pre-grooves, are shallower than that of the pre-grooves, or have half-width less than that of the pre-grooves.

Abstract translation: 光学信息记录介质包括光盘体，该光盘体包括透光性基板，在形成预凹槽的区域上设置在透光性基板的主面上的记录层， 形成凹槽，设置在记录层上的反射层和不设置记录层的透光基板的区域; 以及设置在光盘体的标签表面侧的墨接受层。 设置在不施加染料材料的区域的至少一部分中的虚拟槽具有比预槽宽的间距，比预槽宽的间距，比半槽宽小 的预槽。

公开(公告)号：US20080198731A1

公开(公告)日：2008-08-21

申请号：US12028723

申请日：2008-02-08

Applicant: Isao Matsuda ,  Fumi Hara ,  Takeshi Otsu ,  Motomitsu Hagiwara ,  Akimasa Miyata

Inventor： Isao Matsuda ,  Fumi Hara ,  Takeshi Otsu ,  Motomitsu Hagiwara ,  Akimasa Miyata

IPC: G11B7/24

CPC classification number: G11B7/24079 ,  G11B7/0053 ,  G11B7/00736

Abstract: An optical information recording medium having a disk-shaped substrate formed with spiral grooves on one main surface, and having an optical reflection layer formed with grooves at the surface corresponding to the grooves of the substrate for reflecting a laser beam, an optical recording layer, a protective layer, and an optical transparency layer in this order on the main surface thereof. The optical information recording medium has a main information area and a sub-information area to the inner circumferential side thereof, in which the track pitch TrB of the grooves in the sub-information area is about 0.32 μm or less, and the depth D of the grooves and the half-band width W of the grooves satisfy a relation represented by: W≧2D+70, whereby the difference between the reflectivity at the land surface and the reflectivity at the groove surface in the sub-information area can be restricted to less than 30%, thereby preventing occurrence of mis-decipherment for BCA marks.

Abstract translation: 一种光学信息记录介质，其具有在一个主表面上形成有螺旋槽的盘状基板，并且具有在与用于反射激光束的基板的凹槽对应的表面处形成有凹槽的光反射层，光学记录层， 保护层，透光性层等。 光信息记录介质具有其内周侧的主信息区域和子信息区域，其中子信息区域中的凹槽的轨道间距TrB为约0.32μm或更小，并且深度D为 沟槽和半带宽度W满足以下关系：W> = 2D + 70，由此在台面上的反射率与子信息区域中的槽表面的反射率之间的差可以是 限制在30％以下，从而防止BCA标记发生错误解密。

公开(公告)号：US08394480B2

公开(公告)日：2013-03-12

申请号：US12935475

申请日：2009-03-31

Applicant: Yuji Tomizawa ,  Kazushige Koyama ,  Motomitsu Hagiwara

Inventor： Yuji Tomizawa ,  Kazushige Koyama ,  Motomitsu Hagiwara

IPC: B32B3/02

CPC classification number: G11B7/256 ,  G11B7/24038 ,  G11B7/2433 ,  G11B7/263 ,  Y10T428/21

Abstract: A multilayer type optical information recording medium in which in multilayering of a write-once type optical information recording medium, when a second film is formed using a metallic stamper, a protective layer composed of an inorganic material is free from peeling, is provided. In the multilayer type optical information recording medium including an interlayer, the interlayer is constituted by multiple films of a first film contacting a protective layer and a second film contacting a reflection layer; materials of the first and second films are constituted of materials different from each other; and a peeling resistance of the material of the first film against a material of the protective layer of the first optical information recording layer is higher than that of the second film.

Abstract translation: 一种多层型光学信息记录介质，其中在一次写入型光学信息记录介质的多层印刷中，当使用金属压模形成第二膜时，提供由无机材料构成的保护层不会剥离。 在包括中间层的多层型光学信息记录介质中，中间层由接触保护层的第一膜的多个膜和与反射层接触的第二膜构成; 第一和第二膜的材料由彼此不同的材料构成; 并且第一膜的材料对第一光学信息记录层的保护层的材料的耐剥离性高于第二膜的耐剥离性。

公开(公告)号：US20110020581A1

公开(公告)日：2011-01-27

申请号：US12935475

申请日：2009-03-31

Applicant: Yuji Tomizawa ,  Kazushige Koyama ,  Motomitsu Hagiwara

Inventor： Yuji Tomizawa ,  Kazushige Koyama ,  Motomitsu Hagiwara

IPC: G11B7/24 ,  C08F2/46 ,  B29C70/02

CPC classification number: G11B7/256 ,  G11B7/24038 ,  G11B7/2433 ,  G11B7/263 ,  Y10T428/21

Abstract: A multilayer type optical information recording medium in which in multilayering of a write-once type optical information recording medium, when a second film is formed using a metallic stamper, a protective layer composed of an inorganic material is free from peeling, is provided. In the multilayer type optical information recording medium including an interlayer, the interlayer is constituted by multiple films of a first film contacting a protective layer and a second film contacting a reflection layer; materials of the first and second films are constituted of materials different from each other; and a peeling resistance of the material of the first film against a material of the protective layer of the first optical information recording layer is higher than that of the second film.

Abstract translation: 一种多层型光学信息记录介质，其中在一次写入型光学信息记录介质的多层印刷中，当使用金属压模形成第二膜时，提供由无机材料构成的保护层不会剥离。 在包括中间层的多层型光学信息记录介质中，中间层由接触保护层的第一膜的多个膜和与反射层接触的第二膜构成; 第一和第二膜的材料由彼此不同的材料构成; 并且第一膜的材料对第一光学信息记录层的保护层的材料的耐剥离性高于第二膜的耐剥离性。

公开(公告)号：US20080118698A1

公开(公告)日：2008-05-22

申请号：US11940258

申请日：2007-11-14

Applicant: Takeshi OTSU ,  Akimasa MIYATA ,  Motomitsu HAGIWARA ,  Isao MATSUDA ,  Fumi HARA ,  Shingo KATO ,  Takuo KODAIRA

Inventor： Takeshi OTSU ,  Akimasa MIYATA ,  Motomitsu HAGIWARA ,  Isao MATSUDA ,  Fumi HARA ,  Shingo KATO ,  Takuo KODAIRA

IPC: G11B7/24

CPC classification number: G11B7/2575 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/2531 ,  G11B7/2532 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2585 ,  G11B7/259 ,  Y10T428/21

Abstract: An optical information recording medium is provided having a superior jitter property even when an organic substance is used for a recording layer. The optical information recording medium has a substrate having a penetrating hole in a central portion thereof and a spiral pre-groove provided in one surface of the substrate, a reflection layer provided on the surface of the substrate in which the pre-groove is provided, a recording layer which is provided on the reflection layer and which is composed of an organic substance including a dye, and a light transmissive cover layer provided on the recording layer. In the optical information recording medium, the cover layer has an elastic modulus of 40 MPa or less at 25° C. in an interface region facing the recording layer.

Abstract translation: 即使当将有机物质用于记录层时，提供了具有优异的抖动特性的光学信息记录介质。 光学信息记录介质具有在其中心部分具有贯通孔的基板和设置在基板的一个表面中的螺旋预制槽，设置在其中设置预凹槽的基板的表面上的反射层， 设置在反射层上并由包括染料的有机物质构成的记录层和设置在记录层上的透光覆盖层。 在光学信息记录介质中，覆盖层在面向记录层的界面区域中在25℃下的弹性模量为40MPa以下。

公开(公告)号：US07835257B2

公开(公告)日：2010-11-16

申请号：US12237324

申请日：2008-09-24

Applicant: Motomitsu Hagiwara ,  Takeshi Otsu ,  Akimasa Miyata ,  Yuji Tomizawa

Inventor： Motomitsu Hagiwara ,  Takeshi Otsu ,  Akimasa Miyata ,  Yuji Tomizawa

IPC: G11B7/24

CPC classification number: G11B7/24056 ,  G11B7/2467 ,  G11B7/2542 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/25715

Abstract: An optical information recording medium includes a disk-like substrate having a hole in a central portion thereof, and a light-reflective layer, a dye recording layer containing an organic dye, an intermediate layer composed of an inorganic substance, and a light-transmissive layer composed of a resin disposed in that order on one principal surface of the substrate, in which information is recorded/reproduced by irradiation of laser light from the light-transmissive layer side. In the optical information recording medium, the light-transmissive layer covers a surface of the intermediate layer from an inner peripheral edge of the intermediate layer to an outer peripheral edge of the intermediate layer, and a vicinity of an outer peripheral edge of the light-transmissive layer is in contact with the substrate in an annular region extending around an outer peripheral side of the substrate.

Abstract translation: 光学信息记录介质包括在其中心部分具有孔的盘状基片和光反射层，含有有机染料的染料记录层，由无机物构成的中间层和透光性 其中通过照射来自透光层一侧的激光来记录/再现信息，该树脂按照该顺序设置在基板的一个主表面上。 在光学信息记录介质中，透光层从中间层的内周边缘到中间层的外周边缘覆盖中间层的表面，并且发光层的外周边缘附近， 透射层在基板的外周侧延伸的环状区域与基板接触。

公开(公告)号：US20090116369A1

公开(公告)日：2009-05-07

申请号：US12237324

申请日：2008-09-24

Applicant: Motomitsu Hagiwara ,  Takeshi Otsu ,  Akimasa Miyata ,  Yuji Tomizawa

Inventor： Motomitsu Hagiwara ,  Takeshi Otsu ,  Akimasa Miyata ,  Yuji Tomizawa

IPC: G11B7/24 ,  B05D5/06

CPC classification number: G11B7/24056 ,  G11B7/2467 ,  G11B7/2542 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/25715

Abstract: An optical information recording medium includes a disk-like substrate having a hole in a central portion thereof, and a light-reflective layer, a dye recording layer containing an organic dye, an intermediate layer composed of an inorganic substance, and a light-transmissive layer composed of a resin disposed in that order on one principal surface of the substrate, in which information is recorded/reproduced by irradiation of laser light from the light-transmissive layer side. In the optical information recording medium, the light-transmissive layer covers a surface of the intermediate layer from an inner peripheral edge of the intermediate layer to an outer peripheral edge of the intermediate layer, and a vicinity of an outer peripheral edge of the light-transmissive layer is in contact with the substrate in an annular region extending around an outer peripheral side of the substrate.

Abstract translation: 光学信息记录介质包括在其中心部分具有孔的盘状基片和光反射层，含有有机染料的染料记录层，由无机物构成的中间层和透光性 其中通过照射来自透光层一侧的激光来记录/再现信息，该树脂按照该顺序设置在基板的一个主表面上。 在光学信息记录介质中，透光层从中间层的内周边缘到中间层的外周边缘覆盖中间层的表面，并且发光层的外周边缘附近， 透射层在基板的外周侧延伸的环状区域与基板接触。

公开(公告)号：US20080107007A1

公开(公告)日：2008-05-08

申请号：US11871361

申请日：2007-10-12

Applicant: Takeshi Otsu ,  Fumi Hara ,  Shinichi Kojo ,  Atsuo Shimizu ,  Motomitsu Hagiwara

Inventor： Takeshi Otsu ,  Fumi Hara ,  Shinichi Kojo ,  Atsuo Shimizu ,  Motomitsu Hagiwara

IPC: G11B7/24

CPC classification number: G11B7/24079 ,  G11B7/00736

Abstract: An optical information recording medium includes an optical disk body including a light-transmitting substrate, a recording layer provided on a main surface of the light-transmitting substrate over a region in which pre-grooves are formed and a portion of a region in which dummy grooves are formed, and a reflecting layer provided over the recording layer and a region of the light-transmitting substrate in which the recording layer is not provided; and an ink receiving layer provided on the label surface side of the optical disc body. The dummy grooves provided in at least a portion of the region in which the dye material is not applied have a pitch larger than that of the pre-grooves, are shallower than that of the pre-grooves, or have half-width less than that of the pre-grooves.

Abstract translation: 光学信息记录介质包括光盘体，该光盘体包括透光性基板，在形成预凹槽的区域上设置在透光性基板的主面上的记录层， 形成凹槽，设置在记录层上的反射层和不设置记录层的透光基板的区域; 以及设置在光盘体的标签表面侧的墨接受层。 设置在不施加染料材料的区域的至少一部分中的虚拟槽具有比预槽宽的间距，比预槽宽的间距，比半槽宽小 的预槽。

公开(公告)号：US07867595B2

公开(公告)日：2011-01-11

申请号：US11940258

申请日：2007-11-14

Applicant: Takeshi Otsu ,  Akimasa Miyata ,  Motomitsu Hagiwara ,  Isao Matsuda ,  Fumi Hara ,  Shingo Kato ,  Takuo Kodaira

Inventor： Takeshi Otsu ,  Akimasa Miyata ,  Motomitsu Hagiwara ,  Isao Matsuda ,  Fumi Hara ,  Shingo Kato ,  Takuo Kodaira

IPC: B32B3/02

CPC classification number: G11B7/2575 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/2531 ,  G11B7/2532 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2585 ,  G11B7/259 ,  Y10T428/21

Abstract: An optical information recording medium is provided having a superior jitter property even when an organic substance is used for a recording layer. The optical information recording medium has a substrate having a penetrating hole in a central portion thereof and a spiral pre-groove provided in one surface of the substrate, a reflection layer provided on the surface of the substrate in which the pre-groove is provided, a recording layer which is provided on the reflection layer and which is composed of an organic substance including a dye, and a light transmissive cover layer provided on the recording layer. In the optical information recording medium, the cover layer has an elastic modulus of 40 MPa or less at 25° C. in an interface region facing the recording layer.

Abstract translation: 即使当将有机物质用于记录层时，提供了具有优异的抖动特性的光学信息记录介质。 光学信息记录介质具有在其中心部分具有贯通孔的基板和设置在基板的一个表面中的螺旋预制槽，设置在其中设置预凹槽的基板的表面上的反射层， 设置在反射层上并由包括染料的有机物质构成的记录层和设置在记录层上的透光覆盖层。 在光学信息记录介质中，覆盖层在面向记录层的界面区域中在25℃下的弹性模量为40MPa以下。

公开(公告)号：US07830778B2

公开(公告)日：2010-11-09

申请号：US12028723

申请日：2008-02-08

Applicant: Isao Matsuda ,  Fumi Hara ,  Takeshi Otsu ,  Motomitsu Hagiwara ,  Akimasa Miyata

Inventor： Isao Matsuda ,  Fumi Hara ,  Takeshi Otsu ,  Motomitsu Hagiwara ,  Akimasa Miyata

IPC: G11B7/24

CPC classification number: G11B7/24079 ,  G11B7/0053 ,  G11B7/00736

Abstract: An optical information recording medium having a disk-shaped substrate formed with spiral grooves on one main surface, and having an optical reflection layer formed with grooves at the surface corresponding to the grooves of the substrate for reflecting a laser beam, an optical recording layer, a protective layer, and an optical transparency layer in this order on the main surface thereof. The optical information recording medium has a main information area and a sub-information area to the inner circumferential side thereof, in which the track pitch TrB of the grooves in the sub-information area is about 0.32 μm or less, and the depth D of the grooves and the half-band width W of the grooves satisfy a relation represented by: W≧2D+70, whereby the difference between the reflectivity at the land surface and the reflectivity at the groove surface in the sub-information area can be restricted to less than 30%, thereby preventing occurrence of mis-decipherment for BCA marks.

Abstract translation: 一种光学信息记录介质，其具有在一个主表面上形成有螺旋槽的盘状基板，并且具有在与用于反射激光束的基板的凹槽对应的表面处形成有凹槽的光反射层，光学记录层， 保护层，透光性层等。 光信息记录介质具有其内圆周侧的主信息区域和子信息区域，其中子信息区域中的凹槽的轨道间距TrB为约0.32μm以下，深度D为 槽的槽和半带宽度W满足由W≥D2+ 70表示的关系，从而可以限制台面的反射率与子信息区中的槽表面的反射率之间的差异 小于30％，从而防止BCA标记的错误解密的发生。