公开(公告)号：US20080304401A1

公开(公告)日：2008-12-11

申请号：US11969732

申请日：2008-01-04

申请人： Hideo Ando ,  Hisashi Yamada ,  Seiji Morita ,  Koji Takazawa ,  Naomasa Nakamura ,  Kazuo Watabe ,  Nobuaki Kaji ,  Masahiko Mawatari ,  Nobuhisa Yoshida ,  Koichi Nagai

发明人： Hideo Ando ,  Hisashi Yamada ,  Seiji Morita ,  Koji Takazawa ,  Naomasa Nakamura ,  Kazuo Watabe ,  Nobuaki Kaji ,  Masahiko Mawatari ,  Nobuhisa Yoshida ,  Koichi Nagai

IPC分类号： G11B3/70

CPC分类号： G11B7/24079 ,  G11B7/00736 ,  G11B7/00745 ,  G11B20/00086 ,  G11B20/0021 ,  G11B20/00224 ,  G11B20/00253 ,  G11B20/00449 ,  G11B20/00492 ,  G11B20/00869 ,  G11B2220/215 ,  G11B2220/2562

摘要： According to one embodiment, an optical information recording medium includes pre-grooves with an irregular shape and lands each of which is sandwiched between the pre-grooves adjacent to each other, where the pre-grooves and lands are defined on an interface between a recording layer and a light reflection layer in a recording film, where the recording film includes a light reflectivity that enables reproduction with light of 650±5 nm, the recording layer includes a recording sensitivity with respect to light by a wavelength shorter than 650±5 nm, and a recording mark can be formed on the pre-groove by using light with a wavelength shorter than 650±5 nm.

摘要翻译： 根据一个实施例，光学信息记录介质包括具有不规则形状的预凹槽，每个凹槽被夹在彼此相邻的预凹槽之间，其中预凹槽和凹槽被界定在记录 层和光反射层，其中记录膜包括能够以650±5nm的光再现的光反射率，记录层包括相对于光的记录灵敏度小于650±5nm的波长 并且可以通过使用波长短于650±5nm的光，在预制槽上形成记录标记。

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

公开(公告)号：US20100135436A1

公开(公告)日：2010-06-03

申请号：US12626338

申请日：2009-11-25

申请人： Yuji NAGAI ,  Chosaku Noda ,  Kazuo Watabe ,  Akihito Ogawa ,  Kazuto Kuroda ,  Nobuhisa Yoshida ,  Nobumasa Naito ,  Naoki Morishita ,  Naomasa Nakamura ,  Hideaki Ohsawa ,  Hiroharu Sato ,  Hisashi Yamada ,  Toshihiko Kaneshige

发明人： Yuji NAGAI ,  Chosaku Noda ,  Kazuo Watabe ,  Akihito Ogawa ,  Kazuto Kuroda ,  Nobuhisa Yoshida ,  Nobumasa Naito ,  Naoki Morishita ,  Naomasa Nakamura ,  Hideaki Ohsawa ,  Hiroharu Sato ,  Hisashi Yamada ,  Toshihiko Kaneshige

IPC分类号： H04L27/04

CPC分类号： G11B20/14 ,  G11B20/0021 ,  G11B20/00579 ,  G11B20/00884 ,  G11B20/1426 ,  G11B2020/1457

摘要： According to one embodiment, a first encoder encodes main information, a second encoder encodes sub-information, a first modulator modulates a carrier based on an output of the first encoder, a duplicating module duplicates an output of the second encoder to generate encoded sub-information units, and a second modulator amplitude-modulates an output of the first modulator based on the encoded sub-information units. The second modulator amplitude-modulates with σ/(μ×(2N)1/2) being 0.4 or less, wherein a noise power of a transmission path or a storage medium is σ2, a number of the encoded sub-information units is N, signal levels after amplitude modulation, which correspond to bit 1 and bit 0 of the encoded sub-information units, are A and B, and a level difference A−B is μ.

摘要翻译： 根据一个实施例，第一编码器对主信息进行编码，第二编码器对子信息进行编码，第一调制器基于第一编码器的输出调制载波，复制模块复制第二编码器的输出， 信息单元和第二调制器基于编码的子信息单元对第一调制器的输出进行幅度调制。 第二调制器以＆sgr; /（μ×（2N）1/2）振幅调制为0.4或更小，其中传输路径或存储介质的噪声功率为2，编码子信息的数量 单位为N，对应于编码子信息单元的位1和位0的幅度调制后的信号电平为A和B，电平差A-B为μ。

公开(公告)号：US07949071B2

公开(公告)日：2011-05-24

申请号：US12626338

申请日：2009-11-25

申请人： Yuji Nagai ,  Chosaku Noda ,  Kazuo Watabe ,  Akihito Ogawa ,  Kazuto Kuroda ,  Nobuhisa Yoshida ,  Nobumasa Naito ,  Naoki Morishita ,  Naomasa Nakamura ,  Hideaki Ohsawa ,  Hiroharu Sato ,  Hisashi Yamada ,  Toshihiko Kaneshige

发明人： Yuji Nagai ,  Chosaku Noda ,  Kazuo Watabe ,  Akihito Ogawa ,  Kazuto Kuroda ,  Nobuhisa Yoshida ,  Nobumasa Naito ,  Naoki Morishita ,  Naomasa Nakamura ,  Hideaki Ohsawa ,  Hiroharu Sato ,  Hisashi Yamada ,  Toshihiko Kaneshige

IPC分类号： H03C1/52 ,  G06K9/00

CPC分类号： G11B20/14 ,  G11B20/0021 ,  G11B20/00579 ,  G11B20/00884 ,  G11B20/1426 ,  G11B2020/1457

摘要： According to one embodiment, a first encoder encodes main information, a second encoder encodes sub-information, a first modulator modulates a carrier based on an output of the first encoder, a duplicating module duplicates an output of the second encoder to generate encoded sub-information units, and a second modulator amplitude-modulates an output of the first modulator based on the encoded sub-information units. The second modulator amplitude-modulates with σ/(μ×(2N)1/2) being 0.4 or less, wherein a noise power of a transmission path or a storage medium is σ2, a number of the encoded sub-information units is N, signal levels after amplitude modulation, which correspond to bit 1 and bit 0 of the encoded sub-information units, are A and B, and a level difference A−B is μ.

摘要翻译： 根据一个实施例，第一编码器对主信息进行编码，第二编码器对子信息进行编码，第一调制器基于第一编码器的输出调制载波，复制模块复制第二编码器的输出， 信息单元和第二调制器基于编码的子信息单元对第一调制器的输出进行幅度调制。 第二调制器以＆sgr; /（μ×（2N）1/2）振幅调制为0.4或更小，其中传输路径或存储介质的噪声功率为2，编码子信息的数量 单位为N，对应于编码子信息单元的位1和位0的幅度调制后的信号电平为A和B，电平差A-B为μ。

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。

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。

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。

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。

公开(公告)号：US07570566B2

公开(公告)日：2009-08-04

申请号：US11504580

申请日：2006-08-16

申请人： Toshihiro Sugaya ,  Masato Otsuka ,  Naomasa Nakamura ,  Nobuhisa Yoshida ,  Hisashi Yamada

发明人： Toshihiro Sugaya ,  Masato Otsuka ,  Naomasa Nakamura ,  Nobuhisa Yoshida ,  Hisashi Yamada

IPC分类号： G11B3/74

CPC分类号： G11B7/26 ,  G11B7/00736 ,  G11B7/24038 ,  G11B19/127 ,  G11B19/128 ,  G11B19/16 ,  G11B2007/0013

摘要： According to one embodiment, an optical disc is the following the distance between a light incidence plane and the first recording layer is a minimum of 550 μm. The distance between the first and the third recording layer is a maximum of 72 μm. The distance between the second and the third recording layer is a minimum of 15 μm. The distance between the first and the second recording layer is about 31 to 40 μm. The reflectivities of the first and the second recording layer with respect to the first laser beam range from 18 to 27%, and the ratio therebetween is about 1.1 or less. The reflectivity of the third recording layer is below about 6%. The areal recording density of the third recording layer is three times or more as high as that of the first recording layer and the second recording layer.

摘要翻译： 根据一个实施例，光盘之后，光入射平面与第一记录层之间的距离最小为550μm。 第一和第三记录层之间的距离最大为72μm。 第二和第三记录层之间的距离最小为15μm。 第一和第二记录层之间的距离约为31至40μm。 第一记录层和第二记录层相对于第一激光束的反射率为18〜27％，其比例为约1.1以下。 第三记录层的反射率低于约6％。 第三记录层的面积记录密度是第一记录层和第二记录层的面积记录密度的三倍以上。

公开(公告)号：US20070042294A1

公开(公告)日：2007-02-22

申请号：US11504580

申请日：2006-08-16

申请人： Toshihiro Sugaya ,  Masato Otsuka ,  Naomasa Nakamura ,  Nobuhisa Yoshida ,  Hisashi Yamada

发明人： Toshihiro Sugaya ,  Masato Otsuka ,  Naomasa Nakamura ,  Nobuhisa Yoshida ,  Hisashi Yamada

IPC分类号： G11B7/24 ,  G11B3/70 ,  G11B7/00

CPC分类号： G11B7/26 ,  G11B7/00736 ,  G11B7/24038 ,  G11B19/127 ,  G11B19/128 ,  G11B19/16 ,  G11B2007/0013

摘要： According to one embodiment, an optical disc is the following the distance between a light incidence plane and the first recording layer is a minimum of 550 μm. The distance between the first and the third recording layer is a maximum of 72 μm. The distance between the second and the third recording layer is a minimum of 15 μm. The distance between the first and the second recording layer is about 31 to 40 μm. The reflectivities of the first and the second recording layer with respect to the first laser beam range from 18 to 27%, and the ratio therebetween is about 1.1 or less. The reflectivity of the third recording layer is below about 6%. The areal recording density of the third recording layer is three times or more as high as that of the first recording layer and the second recording layer.

摘要翻译： 根据一个实施例，光盘之后，光入射平面与第一记录层之间的距离最小为550μm。 第一和第三记录层之间的距离最大为72μm。 第二和第三记录层之间的距离最小为15μm。 第一和第二记录层之间的距离约为31至40μm。 第一记录层和第二记录层相对于第一激光束的反射率为18〜27％，其比例为约1.1以下。 第三记录层的反射率低于约6％。 第三记录层的面积记录密度是第一记录层和第二记录层的面积记录密度的三倍以上。