-
11.发明授权Optical recording medium and method of recording information to optical recording medium 有权光记录介质以及向光记录介质记录信息的方法公开(公告)号：US07227832B2
公开(公告)日：2007-06-05
申请号：US10502000
申请日：2003-01-29
申请人： Hiroshi Shingai , Tatsuya Kato , Hajime Utsunomiya
发明人： Hiroshi Shingai , Tatsuya Kato , Hajime Utsunomiya
IPC分类号： G11B7/24
CPC分类号： G11B7/24035 , G11B7/252 , G11B7/259 , G11B2007/24306 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25708 , G11B2007/25715
摘要： It is an object of the present invention to provide an optical recording medium that is suitable for recording information therein at a high velocity. An optical recording medium according to the present invention includes a recording layer formed of a phase change material and capable of recording data therein at a linear recording velocity equal to or higher than 10 m/sec, wherein Rtop satisfies the condition that it is larger than {11−(V/5)} and smaller than {22−(2V/5)}, where Rtop (%) is a reflectivity of the crystal phase change material forming the recording layer and V (m/sec) is a target linear recording velocity. According to the present invention, since modulation (MOD) of 50% or more can be ensured, it is possible to effectively suppress the degradation of jitter caused by recording data at a high linear recording velocity equal to or higher than 10 m/sec.
摘要翻译： 本发明的目的是提供一种适合于以高速记录信息的光记录介质。 根据本发明的光记录介质包括由相变材料形成并能够以等于或高于10m / sec的线性记录速度记录数据的记录层，其中Rtop满足大于 {11-（V / 5且小于{22-（2V / 5，其中Rtop（％）是形成记录层的晶体相变材料的反射率，V（m / sec））是目标线性记录速度。 根据本发明，由于可以确保50％以上的调制（MOD）（MOD），所以可以有效地抑制由高于10m /秒的高线性记录速度的记录数据引起的抖动的劣化。
-
公开(公告)号：US06605328B2
公开(公告)日：2003-08-12
申请号：US09886258
申请日：2001-06-22
IPC分类号： B32B302
CPC分类号： G11B7/2433 , G11B7/2534 , G11B7/2542 , G11B7/256 , G11B7/2578 , G11B7/259 , G11B2007/24306 , G11B2007/2431 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/25708 , G11B2007/2571 , G11B2007/25713 , G11B2007/25715 , G11B2007/25716 , Y10T428/21
摘要： In an optical recording medium comprising a phase change recording layer (4) containing Sb and optionally, Te and/or In as a main component, the recording layer is able to be crystallized to provide a crystallized region which contains rhombohedral crystals consisting essentially of Sb and is substantially free of a crystal phase other than the rhombohedral crystals. When the recording layer contains a rare earth element, Zr, Hf, Ti or Sn as an auxiliary component, the medium has a dielectric layer (31) composed of silicon oxide, silicon nitride, aluminum oxide, or a mixture of zinc sulfide and at least 30 mol % of silicon oxide, disposed contiguous to and in front of the recording layer (4) as viewed from the recording/reading beam incident side. The medium has a high transfer rate and improved thermal stability.
-
公开(公告)号：US6030679A
公开(公告)日：2000-02-29
申请号：US131864
申请日：1998-08-10
CPC分类号： G11B7/26 , G11B7/2403 , G11B7/243 , G11B7/257 , G11B2007/24308 , G11B2007/2431 , G11B2007/24316 , G11B2007/25706 , G11B2007/2571 , G11B2007/25715 , G11B2007/25716 , G11B7/00454 , G11B7/24 , G11B7/2534 , G11B7/2542 , G11B7/258 , G11B7/2585 , G11B7/2595 , Y10S428/913 , Y10S430/146 , Y10T428/21
摘要： An optical recording medium comprises a substrate and a multilayer structure on the substrate. The multilayer structure comprises a phase change type recording layer and a pair of dielectric layers, at least one of which contains zinc sulfide optionally with silicon oxide. When a depth profile of the multilayer structure in a thickness direction thereof is found by Auger electron spectroscopy, a region having an intensity ratio S/Zn of 2 or lower exists across a thickness of at least 6.0 nm, calculated as SiO.sub.2, from the vicinity of an interface between the dielectric layer and the recording layer into the recording layer. In the vicinity of the interface between the dielectric layer and the recording layer, there is also a region having an intensity ratio S/Zn vs. O/Si relation that satisfies S/Zn
摘要翻译： 光学记录介质包括基底和基底上的多层结构。 多层结构包括相变型记录层和一对电介质层，其中至少一层含有任选含有氧化硅的硫化锌。 通过俄歇电子能谱法发现其厚度方向上的多层结构的深度分布，从附近存在以SiO 2计算的至少6.0nm的厚度的区域，其强度比S / Zn为2以下。 介电层和记录层之间的界面的记录层。 在电介质层和记录层之间的界面附近，还存在具有满足S / Zn
-
公开(公告)号：US20050237912A1
公开(公告)日：2005-10-27
申请号：US11168475
申请日：2005-06-29
CPC分类号： G11B7/24085 , B82Y10/00 , G11B7/0052 , G11B7/24
摘要： In an optical information medium having an information bearing surface having projections and depressions and/or capable of forming recorded marks, a functional layer is added. The information borne on the information bearing surface can be read by using reading light of a wavelength longer than 4NA·PL wherein PL is the minimum size of the projections and depressions or the recorded marks and NA is the numerical aperture of a reading optical system, setting the power of the reading light within such a range that the functional layer does not change its complex index of refraction, and irradiating the reading light to the information bearing surface constructed by the functional layer or to the information bearing surface through the functional layer or to the functional layer through the information bearing surface. The medium enables reading at a high resolution beyond the diffraction limit.
摘要翻译： 在具有具有凹凸和/或能够形成记录标记的信息承载面的光信息介质中，添加功能层。 可以通过使用长于4NA的波长的读取光读取承载在信息承载表面上的信息。其中P L L是最小尺寸的凹凸 或记录标记，NA是读取光学系统的数值孔径，将读取光的功率设定在功能层不改变其复杂折射率的范围内，并将读取光照射到信息承载面 通过功能层或信息承载表面通过功能层或通过信息承载表面到功能层构成。 该介质能够以超过衍射极限的高分辨率进行读取。
-
15.发明申请Optical recording medium and method of recording information to optical recording medium 有权光记录介质以及向光记录介质记录信息的方法公开(公告)号：US20050041568A1
公开(公告)日：2005-02-24
申请号：US10502000
申请日：2003-01-29
申请人： Hiroshi Shingai , Tatsuya Kato , Hajime Utsunomiya
发明人： Hiroshi Shingai , Tatsuya Kato , Hajime Utsunomiya
IPC分类号： G11B7/24 , G11B7/0045
CPC分类号： G11B7/24035 , G11B7/252 , G11B7/259 , G11B2007/24306 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25708 , G11B2007/25715
摘要： It is an object of the present invention to provide an optical recording medium that is suitable for recording information therein at a high velocity. An optical recording medium according to the present invention includes a recording layer formed of a phase change material and capable of recording data therein at a linear recording velocity equal to or higher than 10 m/sec, wherein Rtop satisfies the condition that it is larger than {11−(V/5)} and smaller than {22−(2V/5)}, where Rtop (%) is a reflectivity of the crystal phase change material forming the recording layer and V (m/sec) is a target linear recording velocity. According to the present invention, since modulation (MOD) of 50% or more can be ensured, it is possible to effectively suppress the degradation of jitter caused by recording data at a high linear recording velocity equal to or higher than 10 m/sec.
摘要翻译： 本发明的目的是提供一种适合于以高速记录信息的光记录介质。 根据本发明的光记录介质包括由相变材料形成并能够以等于或高于10m / sec的线性记录速度记录数据的记录层，其中Rtop满足大于 {11-（V / 5）}且小于{22-（2V / 5）}，其中Rtop（％）是形成记录层的晶体相变材料的反射率，V（m / sec） 线性记录速度。 根据本发明，由于可以确保50％以上的调制（MOD）（MOD），所以可以有效地抑制由高于10m /秒的高线性记录速度的记录数据引起的抖动的劣化。
-
公开(公告)号：US06618349B2
公开(公告)日：2003-09-09
申请号：US09788589
申请日：2001-02-21
IPC分类号： G11B700
CPC分类号： G11B7/007
摘要： In an optical recording medium of land/groove recording system, a sufficient tilt margin and a reduced cross talk are realized simultaneously with a sufficiently increased output. Provided is an optical recording medium having a light-transmitting substrate formed with grooves wherein the grooves and the region between adjacent grooves are used for the recording track, and a reading beam is irradiated through the light-transmitting substrate, wherein the relations: −12.6T+15.6≦x≦25T−3.8, and 0.55≦T≦0.68 are satisfied when the reading beam has a wavelength of &lgr;, the light-transmitting substrate has a refractive index at the wavelength &lgr; of n, the reading optical system has a numerical aperture of NA, recording track pitch is PT, the groove has a depth of &lgr;/(x·n), and T is PT/(&lgr;/NA).
摘要翻译： 在平台/凹槽记录系统的光记录介质中，充分提高输出同时实现足够的倾斜余量和减少的串扰。 提供了一种光记录介质，其具有形成有沟槽的光透射基板，其中沟槽和相邻凹槽之间的区域用于记录轨道，并且通过透光基板照射读取光束，其中满足关系： 当读取光束具有lambd的波长时，透光衬底的折射率为n的波长，读取光学系统具有NA的数值孔径，记录轨道间距为PT，槽具有lambd的深度 /（xn），T为PT /（lambd / NA）。
-
17.发明授权公开(公告)号：US07859968B2
公开(公告)日：2010-12-28
申请号：US12352304
申请日：2009-01-12
IPC分类号： G11B7/0045
CPC分类号： G11B7/005 , G11B7/1263 , G11B7/24
摘要： An information readout method for an optical information medium comprising an information recording layer having pits or recorded marks representative of information data involves the step of irradiating a laser beam to the information recording layer through an objective lens for providing readings of the pits or recorded marks. When the laser beam has a wavelength λ of 400 to 410 nm, the objective lens has a numerical aperture NA of 0.70 to 0.85, and the pits or recorded marks have a minimum size PL of up to 0.36λ/NA, readout is carried out at a power Pr of at least 0.4 mW for the laser beam. When the laser beam has a wavelength λ of 630 to 670 nm, the objective lens has a numerical aperture NA of 0.60 to 0.65, and the pits or recorded marks have a minimum size PL of up to 0.36λ/NA, readout is carried out at a power Pr of at least 1.0 mW for the laser beam. Pits or recorded marks of a size approximate to the resolution limit determined by diffraction can be read out at a high C/N.
摘要翻译： 包括具有表示信息数据的凹坑或记录标记的信息记录层的光信息介质的信息读出方法包括通过用于提供凹坑或记录标记的读数的物镜将激光束照射到信息记录层的步骤。 当激光束具有400至410nm的波长λ时，物镜的数值孔径NA为0.70至0.85，并且凹坑或记录标记具有高达0.36λ/ NA的最小尺寸PL，读出被执行 在激光束的功率Pr为至少0.4mW。 当激光束具有630至670nm的波长λ时，物镜的数值孔径NA为0.60至0.65，并且凹坑或记录标记具有高达0.36λ/ NA的最小尺寸PL，读出被执行 在激光束的功率Pr为至少1.0mW。 通过衍射确定的大小接近分辨率极限的刻痕或记录标记可以高C / N读出。
-
18.发明授权公开(公告)号：US07496019B2
公开(公告)日：2009-02-24
申请号：US10125476
申请日：2002-04-19
IPC分类号： G11B7/0045
CPC分类号： G11B7/005 , G11B7/1263 , G11B7/24
摘要： An information readout method for an optical information medium comprising an information recording layer having pits or recorded marks representative of information data involves the step of irradiating a laser beam to the information recording layer through an objective lens for providing readings of the pits or recorded marks. When the laser beam has a wavelength λ of 400 to 410 nm, the objective lens has a numerical aperture NA of 0.70 to 0.85, and the pits or recorded marks have a minimum size PL of up to 0.36λ/NA, readout is carried out at a power Pr of at least 0.4 mW for the laser beam. When the laser beam has a wavelength λ of 630 to 670 nm, the objective lens has a numerical aperture NA of 0.60 to 0.65, and the pits or recorded marks have a minimum size PL of up to 0.36λ/NA, readout is carried out at a power Pr of at least 1.0 mW for the laser beam. Pits or recorded marks of a size approximate to the resolution limit determined by diffraction can be read out at a high C/N.
摘要翻译： 包括具有表示信息数据的凹坑或记录标记的信息记录层的光信息介质的信息读出方法包括通过用于提供凹坑或记录标记的读数的物镜将激光束照射到信息记录层的步骤。 当激光束具有400至410nm的波长λ时，物镜的数值孔径NA为0.70至0.85，并且凹坑或记录标记具有高达0.36λ/ NA的最小尺寸PL，读出被执行 在激光束的功率Pr为至少0.4mW。 当激光束具有630至670nm的波长λ时，物镜的数值孔径NA为0.60至0.65，并且凹坑或记录的标记具有高达0.36λ/ NA的最小尺寸PL，读出被执行 在激光束的功率Pr为至少1.0mW。 通过衍射确定的大小接近分辨率极限的刻痕或记录标记可以高C / N读出。
-
19.发明授权Optical information medium having high resolution beyond a diffraction limit and reading method 有权光学信息介质具有超过衍射极限的分辨率和读取方法公开(公告)号：US06965556B1
公开(公告)日：2005-11-15
申请号：US09609898
申请日：2000-07-03
CPC分类号： G11B7/24085 , B82Y10/00 , G11B7/0052 , G11B7/24
摘要： In an optical information medium having an information bearing surface having projections and depressions and/or capable of forming recorded marks, a functional layer is added. The information borne on the information bearing surface can be read by using reading light of a wavelength longer than 4NA·PL wherein PL is the minimum size of the projections and depressions or the recorded marks and NA is the numerical aperture of a reading optical system, setting the power of the reading light within such a range that the functional layer does not change its complex index of refraction, and irradiating the reading light to the information bearing surface constructed by the functional layer or to the information bearing surface through the functional layer or to the functional layer through the information bearing surface. The medium enables reading at a high resolution beyond the diffraction limit.
摘要翻译： 在具有具有凹凸和/或能够形成记录标记的信息承载面的光信息介质中，添加功能层。 可以通过使用长于4NA的波长的读取光读取承载在信息承载表面上的信息。其中P L L是最小尺寸的凹凸 或记录标记，NA是读取光学系统的数值孔径，将读取光的功率设定在功能层不改变其复杂折射率的范围内，并将读取光照射到信息承载面 通过功能层或信息承载表面通过功能层或通过信息承载表面到功能层构成。 该介质能够以超过衍射极限的高分辨率进行读取。
-
20.发明申请Method for evaluating optical recording medium, evaluation device, and evaluation system 审中-公开光学记录介质评价方法，评价装置及评价体系公开(公告)号：US20080165642A1
公开(公告)日：2008-07-10
申请号：US12003582
申请日：2007-12-28
IPC分类号： G11B20/00
CPC分类号： G11B20/10009 , G11B7/268 , G11B20/10481
摘要： In an evaluation device and an evaluation system, the level of base power is set higher than that in an optimal recording condition at a set room temperature and lower than the level of bias power. In particular, the level of the base power is set so that the jitter value of a recording mark and a blank, which is formed in a required high temperature environment, during reproduction in the high temperature environment becomes minimum. By evaluating the recording characteristic of a recording mark and a blank formed by irradiation of recording laser light in the form of a pulse train, the recording characteristic of an optical recording medium in high-speed recording in high temperature environment is evaluated.
摘要翻译： 在评价装置和评价系统中，将基本功率的电平设定为高于设定的室温下的最佳记录条件，并且低于偏置功率的电平。 特别地，基本功率的电平被设置为使得在高温环境中的再现期间在所需高温环境中形成的记录标记和空白的抖动值变得最小。 通过评价通过以脉冲串的形式记录激光形成的记录标记和空白的记录特性，评估在高温环境中的高速记录中的光记录介质的记录特性。
-
-
-
-
-
-
-
-
-
搜索结果
94 条记录 (耗时 0.029 秒)
