公开(公告)号：US20090196142A1

公开(公告)日：2009-08-06

申请号：US12362395

申请日：2009-01-29

申请人： Keiichiro YUSU ,  Masahiro SAITO ,  Kazuto KURODA ,  Takashi USUI ,  Kazuo WATABE ,  Chosaku NODA ,  Nobuaki KAJI ,  Tsukasa NAKAI

发明人： Keiichiro YUSU ,  Masahiro SAITO ,  Kazuto KURODA ,  Takashi USUI ,  Kazuo WATABE ,  Chosaku NODA ,  Nobuaki KAJI ,  Tsukasa NAKAI

IPC分类号： G11B7/00

CPC分类号： G11B7/0062 ,  G11B7/126 ,  G11B7/259 ,  G11B2007/24306 ,  G11B2007/2431 ,  G11B2007/24314 ,  G11B2007/24316

摘要： According to one embodiment, in an information recording medium for which a phase change material is used and in which information is recorded on, reproduced from, and erased from a recording layer by light irradiation, a recrystallization width WR at a periphery of an amorphous recording mark formed on the recording layer by light irradiation, and a recording mark width WA and a track pitch TP satisfy 1.0

摘要翻译： 根据一个实施例，在使用相变材料的信息记录介质中，通过光照射将信息记录在记录层上并从记录层擦除信息的信息记录介质中，在非晶记录周围的再结晶宽度WR 通过光照射在记录层上形成的标记，并且记录标记宽度WA和轨道间距TP满足1.0

公开(公告)号：US20090103422A1

公开(公告)日：2009-04-23

申请号：US12257213

申请日：2008-10-23

申请人： Kazuo WATABE ,  Takashi USUI ,  Keiichiro YUSU ,  Chosaku NODA ,  Kazuto KURODA ,  Nobuaki KAJI ,  Masahiro SAITO

发明人： Kazuo WATABE ,  Takashi USUI ,  Keiichiro YUSU ,  Chosaku NODA ,  Kazuto KURODA ,  Nobuaki KAJI ,  Masahiro SAITO

IPC分类号： G11B7/135

CPC分类号： G11B7/127 ,  G11B7/0045 ,  G11B7/006

摘要： According to one embodiment, an optical recording head device includes a light source which outputs such a relaxation oscillation optical pulse that a full width at half maximum of a single pulse is 820 ps or less, a driving unit for driving the light source, an objective lens which converges emission light from the light source on a recording layer of a recording medium, and captures reflective light which is reflected by the recording layer of the recording medium, a distribution unit, placed between the light source and the objective lens, for distributing incident light, and a photodetection unit for receiving via the distribution unit the reflective light which is reflected by the recording layer of the recording medium, wherein a resonator length of the light source is 6560 μm or less.

摘要翻译： 根据一个实施例，光记录头装置包括一个光源，其输出这样的弛豫振荡光脉冲，单脉冲的半高全宽为820ps或更小，用于驱动光源的驱动单元， 将来自光源的发射光会聚在记录介质的记录层上并捕获由记录介质的记录层反射的反射光，放置在光源和物镜之间的分配单元，用于分配 以及光电检测单元，用于经由分配单元接收由记录介质的记录层反射的反射光，其中光源的谐振器长度为6560μm或更小。

公开(公告)号：US20090196148A1

公开(公告)日：2009-08-06

申请号：US12362322

申请日：2009-01-29

申请人： Keiichiro YUSU ,  Masahiro SAITO ,  Kazuto KURODA ,  Takashi USUI ,  Kazuo WATABE ,  Chosaku NODA ,  Nobuaki KAJI ,  Masaaki MATSUMARU ,  Ryosuke YAMAMOTO

发明人： Keiichiro YUSU ,  Masahiro SAITO ,  Kazuto KURODA ,  Takashi USUI ,  Kazuo WATABE ,  Chosaku NODA ,  Nobuaki KAJI ,  Masaaki MATSUMARU ,  Ryosuke YAMAMOTO

IPC分类号： G11B7/135

CPC分类号： G11B7/261

摘要： According to one embodiment, the invention provides a master recording apparatus and method which can form a pit having a symmetrical pit shape with excellent reproducibility. An embodiment of the invention is a master recording apparatus where a resist film on a master for an optical disk is irradiated with irradiation light from a semiconductor laser to record information on the resist film, where the resist film is formed as an inorganic resist film, and means for outputting the irradiation light from the semiconductor laser as a short pulse laser with a pulse width between 200 ps and 1 ns is provided.

摘要翻译： 根据一个实施例，本发明提供一种主记录装置和方法，该主记录装置和方法可以形成具有良好重复性的对称凹坑形状的凹坑。 本发明的一个实施例是一种主记录装置，其中用于光盘的主机上的抗蚀剂膜用来自半导体激光器的照射光照射以将抗蚀剂膜上的信息记录在抗蚀剂膜上，其中形成抗蚀剂膜作为无机抗蚀剂膜， 并且提供用于输出来自半导体激光器的照射光作为脉冲宽度在200ps和1ns之间的短脉冲激光器的装置。

公开(公告)号：US20070086299A1

公开(公告)日：2007-04-19

申请号：US11563565

申请日：2006-11-27

申请人： Kazuo WATABE ,  Hideo Ando ,  Sumitaka Maruyama ,  Yutaka Kashihara ,  Akihito Ogawa

发明人： Kazuo WATABE ,  Hideo Ando ,  Sumitaka Maruyama ,  Yutaka Kashihara ,  Akihito Ogawa

IPC分类号： G11B20/10 ,  G11B7/24

CPC分类号： G11B20/1217 ,  G11B7/0045 ,  G11B7/00736 ,  G11B7/24038 ,  G11B2007/0013 ,  G11B2020/1227 ,  G11B2020/1228 ,  G11B2020/1268 ,  G11B2020/1277 ,  G11B2020/1278 ,  G11B2020/1287 ,  G11B2020/1298 ,  G11B2220/235 ,  G11B2220/2537 ,  G11B2220/2579

摘要： An information layer 0 comprises a system lead-in area, data lead-in area, data area, and middle area, an information layer 1 comprises a system lead-out area, data lead-out area, data area, and middle area, an end position of the data area of layer 1 is positioned outer than a start position of the data area of layer 0, the data lead-in area comprises a guard track zone wider than a test zone in the data lead-out area, the data lead-out area comprises a guard track zone wider than a test zone and a management zone in the data lead-in area, the middle area of layer 0 comprises a guard track zone wider than a test zone in the middle area of layer 1, and the middle area of layer 1 comprises a blank zone wider than a test zone in the middle area of layer 0.

公开(公告)号：US20070058503A1

公开(公告)日：2007-03-15

申请号：US11530395

申请日：2006-09-08

申请人： Kazuo WATABE ,  Hideo Ando ,  Sumitaka Maruyama ,  Yutaka Kashihara ,  Akihito Ogawa

发明人： Kazuo WATABE ,  Hideo Ando ,  Sumitaka Maruyama ,  Yutaka Kashihara ,  Akihito Ogawa

IPC分类号： G11B7/00 ,  G11B7/24

CPC分类号： G11B20/1217 ,  G11B7/0045 ,  G11B7/00736 ,  G11B7/24038 ,  G11B2007/0013 ,  G11B2020/1227 ,  G11B2020/1228 ,  G11B2020/1268 ,  G11B2020/1277 ,  G11B2020/1278 ,  G11B2020/1287 ,  G11B2020/1298 ,  G11B2220/235 ,  G11B2220/2537 ,  G11B2220/2579

摘要： An information layer 0 comprises a system lead-in area, data lead-in area, data area, and middle area, an information layer 1 comprises a system lead-out area, data lead-out area, data area, and middle area, an end position of the data area of layer 1 is positioned outer than a start position of the data area of layer 0, the data lead-in area comprises a guard track zone wider than a test zone in the data lead-out area, the data lead-out area comprises a guard track zone wider than a test zone and a management zone in the data lead-in area, the middle area of layer 0 comprises a guard track zone wider than a test zone in the middle area of layer 1, and the middle area of layer 1 comprises a blank zone wider than a test zone in the middle area of layer 0.

摘要翻译： 信息层0包括系统导入区，数据导入区，数据区和中间区，信息层1包括系统导出区，数据导出区，数据区和中间区， 层1的数据区域的结束位置位于层0的数据区域的开始位置的外侧，数据导入区域包括比数据导出区域中的测试区域宽的保护轨道区域， 数据导出区域包括比测试区域宽的保护轨道区域和数据导入区域中的管理区域，层0的中间区域包括比层1的中间区域中的测试区域宽的保护轨道区域 ，层1的中间区域包括比层0的中间区域中的测试区域宽的空白区域。