公开(公告)号：US08149674B2

公开(公告)日：2012-04-03

申请号：US13090743

申请日：2011-04-20

申请人： Koji Takazawa ,  Seiji Morita ,  Kazuyo Umezawa ,  Naoki Morishita ,  Yasuaki Ootera ,  Hideo Ando ,  Naomasa Nakamura

发明人： Koji Takazawa ,  Seiji Morita ,  Kazuyo Umezawa ,  Naoki Morishita ,  Yasuaki Ootera ,  Hideo Ando ,  Naomasa Nakamura

IPC分类号： G11B7/00

CPC分类号： G11B7/258 ,  G11B7/00452 ,  G11B7/00455 ,  G11B7/24038 ,  G11B7/246 ,  G11B7/259 ,  G11B2007/0013

摘要： According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting layer and which is disposed on a side closer to a light receiving surface, and a second recording part which includes a second recording layer and a second light reflecting layer and which is disposed on a side farther from the light receiving surface, the first recording part and the second recording part being stacked, wherein the thickness of the second light reflecting layer is larger than the thickness of the first light reflecting layer.

公开(公告)号：US20110199878A1

公开(公告)日：2011-08-18

申请号：US13093425

申请日：2011-04-25

申请人： Koji TAKAZAWA ,  Seiji Morita ,  Kazuyo Umezawa ,  Naoki Morishita ,  Yasuaki Ootera ,  Hideo Ando ,  Naomasa Nakamura

发明人： Koji TAKAZAWA ,  Seiji Morita ,  Kazuyo Umezawa ,  Naoki Morishita ,  Yasuaki Ootera ,  Hideo Ando ,  Naomasa Nakamura

IPC分类号： G11B7/007 ,  G11B7/00

CPC分类号： G11B7/258 ,  G11B7/00452 ,  G11B7/00455 ,  G11B7/24038 ,  G11B7/246 ,  G11B7/259 ,  G11B2007/0013

摘要： According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting layer and which is disposed on a side closer to a light receiving surface, and a second recording part which includes a second recording layer and a second light reflecting layer and which is disposed on a side farther from the light receiving surface, the first recording part and the second recording part being stacked, wherein the thickness of the second light reflecting layer is larger than the thickness of the first light reflecting layer.

公开(公告)号：US20110199870A1

公开(公告)日：2011-08-18

申请号：US13093256

申请日：2011-04-25

申请人： Koji TAKAZAWA ,  Seiji Morita ,  Kazuyo Umezawa ,  Naoki Morishita ,  Yasuaki Ootera ,  Hideo Ando ,  Naomasa Nakamura

发明人： Koji TAKAZAWA ,  Seiji Morita ,  Kazuyo Umezawa ,  Naoki Morishita ,  Yasuaki Ootera ,  Hideo Ando ,  Naomasa Nakamura

IPC分类号： G11B7/007 ,  G11B7/085

CPC分类号： G11B7/258 ,  G11B7/00452 ,  G11B7/00455 ,  G11B7/24038 ,  G11B7/246 ,  G11B7/259 ,  G11B2007/0013

摘要： According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting layer and which is disposed on a side closer to a light receiving surface, and a second recording part which includes a second recording layer and a second light reflecting layer and which is disposed on a side farther from the light receiving surface, the first recording part and the second recording part being stacked, wherein the thickness of the second light reflecting layer is larger than the thickness of the first light reflecting layer.

公开(公告)号：US20110194383A1

公开(公告)日：2011-08-11

申请号：US13091396

申请日：2011-04-21

申请人： Koji TAKAZAWA ,  Seiji Morita ,  Kazuyo Umezawa ,  Naoki Morishita ,  Yasuaki Ootera ,  Hideo Ando ,  Naomasa Nakamura

发明人： Koji TAKAZAWA ,  Seiji Morita ,  Kazuyo Umezawa ,  Naoki Morishita ,  Yasuaki Ootera ,  Hideo Ando ,  Naomasa Nakamura

IPC分类号： G11B7/007 ,  G11B7/085

CPC分类号： G11B7/258 ,  G11B7/00452 ,  G11B7/00455 ,  G11B7/24038 ,  G11B7/246 ,  G11B7/259 ,  G11B2007/0013

摘要： According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting layer and which is disposed on a side closer to a light receiving surface, and a second recording part which includes a second recording layer and a second light reflecting layer and which is disposed on a side farther from the light receiving surface, the first recording part and the second recording part being stacked, wherein the thickness of the second light reflecting layer is larger than the thickness of the first light reflecting layer.

公开(公告)号：US20100329099A1

公开(公告)日：2010-12-30

申请号：US12872616

申请日：2010-08-31

申请人： SEIJI MORITA ,  Koji Takazawa ,  Kazuyo Umezawa ,  Hideo Ando ,  Yasuaki Ootera ,  Naoki Morishita ,  Naomasa Nakamura

发明人： SEIJI MORITA ,  Koji Takazawa ,  Kazuyo Umezawa ,  Hideo Ando ,  Yasuaki Ootera ,  Naoki Morishita ,  Naomasa Nakamura

IPC分类号： G11B7/00

CPC分类号： G11B7/2403 ,  G11B7/24079 ,  G11B7/246 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/248 ,  G11B7/2492 ,  G11B7/2495 ,  G11B7/2534 ,  G11B7/2585 ,  G11B7/259 ,  G11B2007/24612 ,  Y10S430/146

摘要： According to an embodiment, a storage medium includes a transparent resin substrate having a concentric or spiral groove and a recording film formed on the groove on the transparent resin substrate, a recording mark being formed by irradiation of a laser beam, wherein a reproduction durability count in a case where reproduction is continuously carried out by a laser beam is 1,000,000 or more.

摘要翻译： 根据实施例，存储介质包括具有同心或螺旋形沟槽的透明树脂基板和形成在透明树脂基板上的槽上的记录膜，通过激光束的照射形成记录标记，其中再现耐久性计数 在通过激光束连续进行再现的情况下，为1,000,000以上。

公开(公告)号：US20070286980A1

公开(公告)日：2007-12-13

申请号：US11810586

申请日：2007-06-06

申请人： Yasuaki Ootera ,  Kazuyo Umezawa ,  Koji Takazawa ,  Naoki Morishita ,  Hideo Ando ,  Seiji Morita ,  Naomasa Nakamura

发明人： Yasuaki Ootera ,  Kazuyo Umezawa ,  Koji Takazawa ,  Naoki Morishita ,  Hideo Ando ,  Seiji Morita ,  Naomasa Nakamura

IPC分类号： B32B3/02

CPC分类号： B32B3/02 ,  G11B7/00451 ,  G11B7/00455 ,  G11B7/00736

摘要： Manufacturing of a higher quality write-once type multilayer optical disc is facilitated. The optical disc includes a plurality of recording layers in which recording or reproduction is carried out by a blue or blue-violet laser beam of a wavelength of about 405 nm. Each of the recording layers includes a recording layer which uses an organic dye. The plurality of recording layers includes a layer in which a groove pattern around a recording mark is deformed when information is recorded, and a layer in which the groove pattern around the recording mark is not deformed when information is recorded.

摘要翻译： 制造更高质量的一次写入型多层光盘便利。 光盘包括多个记录层，其中通过约405nm的波长的蓝色或蓝紫色激光束进行记录或再现。 每个记录层包括使用有机染料的记录层。 多个记录层包括当记录信息时围绕记录标记的凹槽图案变形的层，以及当记录信息时在记录标记周围的凹槽图案不变形的层。

公开(公告)号：US20070280068A1

公开(公告)日：2007-12-06

申请号：US11755451

申请日：2007-05-30

申请人： Kazuyo Umezawa ,  Seiji Morita ,  Koji Takazawa ,  Hideo Ando ,  Yasuaki Ootera ,  Naomasa Nakamura ,  Naoki Morishita

发明人： Kazuyo Umezawa ,  Seiji Morita ,  Koji Takazawa ,  Hideo Ando ,  Yasuaki Ootera ,  Naomasa Nakamura ,  Naoki Morishita

IPC分类号： G11B20/00

CPC分类号： G11B7/00736 ,  G11B7/126 ,  G11B2007/0013

摘要： According to one embodiment, single-sided dual-layer recordable disc 100 may be used. Information recording is performed by forming mark and space portions on data area DA using modulated laser power. Pp denotes the maximum laser power or peak power for forming the mark portion, and Pb denotes the bias power for forming the space portion. Power ratio Pb/Pp is calculated for each of recording layers L0 and L1. Information is recorded on any of the recording layers L0 and L1 based on the result of calculation. Here, the calculated power ratio Pb/Pp changes among the recording layers L0 and L1, thereby optimizing the recording condition for a multi-layer recordable optical disc within relatively short time.

摘要翻译： 根据一个实施例，可以使用单面双层可记录盘100。 通过使用调制的激光功率在数据区DA上形成标记和空间部分来执行信息记录。 Pp表示用于形成标记部分的最大激光功率或峰值功率，Pb表示用于形成空间部分的偏压功率。 对于记录层L 0和L 1中的每一个计算功率比Pb / Pp。 基于计算结果，在任何记录层L 0和L 1上记录信息。 这里，计算出的功率比Pb / Pp在记录层L 0和L 1之间变化，从而在较短时间内优化了多层可记录光盘的记录条件。

公开(公告)号：US20060188817A1

公开(公告)日：2006-08-24

申请号：US11358105

申请日：2006-02-22

申请人： Seiji Morita ,  Koji Takazawa ,  Kazuyo Umezawa ,  Hideo Ando ,  Yasuaki Ootera ,  Naoki Morishita ,  Naomasa Nakamura

发明人： Seiji Morita ,  Koji Takazawa ,  Kazuyo Umezawa ,  Hideo Ando ,  Yasuaki Ootera ,  Naoki Morishita ,  Naomasa Nakamura

IPC分类号： G11B7/24

CPC分类号： G11B7/2403 ,  G11B7/24079 ,  G11B7/246 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/248 ,  G11B7/2492 ,  G11B7/2495 ,  G11B7/2534 ,  G11B7/2585 ,  G11B7/259 ,  G11B2007/24612 ,  Y10S430/146

摘要： According to an embodiment, a storage medium includes a transparent resin substrate having a concentric or spiral groove and a recording film formed on the groove on the transparent resin substrate, a recording mark being formed by irradiation of a laser beam, wherein a reproduction durability count in a case where reproduction is continuously carried out by a laser beam is 1,000,000 or more.

公开(公告)号：US08509049B2

公开(公告)日：2013-08-13

申请号：US11756151

申请日：2007-05-31

申请人： Koji Takazawa ,  Seiji Morita ,  Kazuyo Umezawa ,  Naoki Morishita ,  Yasuaki Ootera ,  Hideo Ando ,  Naomasa Nakamura

发明人： Koji Takazawa ,  Seiji Morita ,  Kazuyo Umezawa ,  Naoki Morishita ,  Yasuaki Ootera ,  Hideo Ando ,  Naomasa Nakamura

IPC分类号： G11B7/24

CPC分类号： G11B7/00736 ,  G11B7/00456 ,  G11B7/0053 ,  G11B7/24038 ,  G11B7/246 ,  G11B7/257 ,  G11B20/1217 ,  G11B2020/122 ,  G11B2020/1298 ,  G11B2220/235 ,  G11B2220/237 ,  G11B2220/2579

摘要： According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, in this optical recording medium, an intermediate layer whose thickness variation is managed to be equal to or less than a predetermined value is provided between a first recording part and a second recording part.

摘要翻译： 根据一个实施例，提供了一种光记录介质，其中层间串扰低，并且其中可以获得稳定和高质量的记录特性。 为此，在这种光记录介质中，在第一记录部分和第二记录部分之间设置厚度变化被控制在等于或小于预定值的中间层。

公开(公告)号：US20120243398A1

公开(公告)日：2012-09-27

申请号：US13488504

申请日：2012-06-05

申请人： Kazuyo Umezawa ,  Seiji Morita ,  Koji Takazawa ,  Hideo Ando ,  Yasuaki Ootera ,  Naomasa Nakamura ,  Naoki Morishita

发明人： Kazuyo Umezawa ,  Seiji Morita ,  Koji Takazawa ,  Hideo Ando ,  Yasuaki Ootera ,  Naomasa Nakamura ,  Naoki Morishita

IPC分类号： G11B7/24

CPC分类号： G11B7/00736 ,  G11B7/126 ,  G11B2007/0013

摘要： According to one embodiment, single-sided dual-layer recordable disc 100 may be used. Information recording is performed by forming mark and space portions on data area DA using modulated laser power. Pp denotes the maximum laser power or peak power for forming the mark portion, and Pb denotes the bias power for forming the space portion. Power ratio Pb/Pp is calculated for each of recording layers L0 and L1. Information is recorded on any of the recording layers L0 and L1 based on the result of calculation. Here, the calculated power ratio Pb/Pp changes among the recording layers L0 and L1, thereby optimizing the recording condition for a multi-layer recordable optical disc within relatively short time.

摘要翻译： 根据一个实施例，可以使用单面双层可记录盘100。 通过使用调制的激光功率在数据区DA上形成标记和空间部分来执行信息记录。 Pp表示用于形成标记部分的最大激光功率或峰值功率，Pb表示用于形成空间部分的偏压功率。 计算每个记录层L0和L1的功率比Pb / Pp。 基于计算结果，信息记录在任何记录层L0和L1上。 这里，计算出的功率比Pb / Pp在记录层L0和L1之间变化，从而在较短时间内优化了多层可记录光盘的记录条件。