公开(公告)号：US08374069B2

公开(公告)日：2013-02-12

申请号：US12845556

申请日：2010-07-28

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

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

IPC分类号： G11B7/00 ,  G11B7/24

CPC分类号： G11B7/246 ,  G11B7/00456 ,  G11B7/005 ,  G11B7/00736 ,  G11B7/24038 ,  G11B7/24076 ,  G11B7/24079 ,  G11B7/24082 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/2492 ,  G11B7/2495 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/259 ,  G11B2007/24612

摘要： According to one embodiment, a write-once type information storage medium comprises an organic dye based recording material having sensitivity at a wavelength of 405 nm and at a recording wavelength in the range of 600 nm to 700 nm, wherein, when absorbance of a maximum absorption wavelength in the vicinity of 405 nm is defined as 1, the absorbance is 5% or more at any wavelength in the range of 600 nm to 700 nm.

公开(公告)号：US20120243396A1

公开(公告)日：2012-09-27

申请号：US13488514

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： G11B7/00 ,  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.

公开(公告)号：US20120195179A1

公开(公告)日：2012-08-02

申请号：US13443486

申请日：2012-04-10

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： G11B7/0045

CPC分类号： G11B7/2467 ,  G11B7/00456 ,  G11B7/246 ,  G11B7/249 ,  G11B7/2495 ,  G11B2007/0006

摘要： According to one embodiment, a re-recordable write-once optical disc by which recording/reproducing can be properly done with a short-wavelength blue laser is provided. The disc has recording layers on which marks are recorded by the laser power of a modulated short wavelength, with a space formed between the recorded marks. The recording layer of the disc uses an organic dye material by which no physical modification or no physical change substantially occurs in an area of the recorded marks.

摘要翻译： 根据一个实施例，提供了可以用短波长蓝色激光器适当地进行记录/再现的可再记录的一次写入光盘。 盘具有通过调制的短波长的激光功率记录标记的记录层，在记录的标记之间形成空间。 盘的记录层使用有机染料材料，在记录标记的区域中基本上不发生物理改变或没有物理变化。

公开(公告)号：US08174948B2

公开(公告)日：2012-05-08

申请号：US13093198

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： G11B7/00

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.

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，光学记录介质包括第一记录部分，该第一记录部分包括第一记录层和第一光反射层，并且设置在靠近光接收表面的一侧;以及第二记录部分，其包括第二记录层 和第二光反射层，并且其被布置在离光接收表面更远的一侧，第一记录部分和第二记录部分被堆叠，其中第二光反射层的厚度大于第一光的厚度 反射层。

公开(公告)号：US08159920B2

公开(公告)日：2012-04-17

申请号：US13091241

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： G11B7/00

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：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。