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61. 发明申请

US20080170331A1 Magnetic recording medium, magnetic recording and reproducing apparatus, method for manufacturing magnetic recording medium, and method for checking magnetic recording medium 失效
标题翻译：磁记录介质，磁记录和再现装置，磁记录介质的制造方法和磁记录介质的检查方法
公开(公告)号：US20080170331A1
公开(公告)日：2008-07-17
申请号：US12003917
申请日：2008-01-03
申请人： Daisuke Yoshitoku , Minoru Fujita , Narutoshi Fukuzawa
发明人： Daisuke Yoshitoku , Minoru Fujita , Narutoshi Fukuzawa
IPC分类号： G11B5/82 , B44C1/22 , G01M19/00
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/743 , G11B5/855
摘要： A magnetic recording medium is provided, which has recording layers having concavo-convex patterns formed on both sides of a substrate and can easily distinguish one face from the other face. A magnetic recording and reproducing apparatus having the magnetic recording medium is also provided. The magnetic recording medium includes a substrate, a first recording layer formed in a first concavo-convex pattern on a side of a first face, and a second recording layer formed in a second concavo-convex pattern on a side of a second face. The magnetic recording medium also includes a distinction element which can distinguish the first face from the second face. At least part of the distinction element is disposed in a non-recording area adjacent to at least one of an inner part and an outer part of a recording area in a radial direction.
摘要翻译：提供了一种磁记录介质，其具有形成在基板的两侧上的具有凹凸图案的记录层，并且可以容易地将一个面与另一个面区分开。还提供了具有磁记录介质的磁记录和再现装置。磁记录介质包括基板，在第一面的一侧形成为第一凹凸图案的第一记录层和在第二面的一侧形成为第二凹凸图案的第二记录层。磁记录介质还包括能区分第一面和第二面的区别元件。区分元件的至少一部分设置在与记录区域的径向方向的内部部分和外部部分中的至少一个相邻的非记录区域中。

62. 发明申请

US20070247988A1 Method for evaluating read stability of optical disc and information reproduction apparatus 失效
标题翻译：用于评估光盘的读取稳定性和信息再现装置的方法
公开(公告)号：US20070247988A1
公开(公告)日：2007-10-25
申请号：US11785879
申请日：2007-04-20
申请人： Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
发明人： Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
IPC分类号： G11B19/00
CPC分类号： G11B7/268 , G11B7/005 , G11B19/041
摘要： A method and apparatus for measuring the read stability of an optical disc are provided. Specifically, readout of the optical disc is repeated at each of at least two read laser beams powers being different from each other. A graph is drawn in which the inverses of the read powers are plotted on a horizontal axis and in which on a vertical axis is plotted the logarithm of a repeated readout number for each of the read powers. Here, the repeated readout number is the number of repetitions of the readout when a characteristic value for the number of repetitions of the readout varies and reaches a predetermined value. The read stability of the optical disc is evaluated by using the gradient of the graph.
摘要翻译：提供了一种用于测量光盘的读取稳定性的方法和装置。具体而言，在至少两个彼此不同的读取激光束功率中的每一个处重复光盘的读出。绘制图形，其中读取功率的反转在水平轴上绘制，并且在垂直轴上绘制每个读取功率的重复读出数的对数。这里，重复的读出数是当读出的重复次数的特性值变化并达到预定值时的读出的重复次数。通过使用图的梯度来评估光盘的读取稳定性。

63. 发明申请

US20070183289A1 Method for recording information on super-resolution optical recording medium and super-resolution optical recording medium 审中-公开
标题翻译：用于在超分辨率光学记录介质和超分辨率光学记录介质上记录信息的方法
公开(公告)号：US20070183289A1
公开(公告)日：2007-08-09
申请号：US11699439
申请日：2007-01-30
申请人： Narutoshi Fukuzawa , Takashi Kikukawa , Tatsuhiro Kobayashi
发明人： Narutoshi Fukuzawa , Takashi Kikukawa , Tatsuhiro Kobayashi
IPC分类号： G11B7/0045 , G11B7/24
CPC分类号： G11B7/00452 , G11B7/259 , G11B2007/24306 , G11B2007/2432
摘要： When a recording mark and a space, each having a size depending on a modulation code corresponding to information to be recorded, are formed in a super-resolution optical recording medium which has at least a substrate and a recording layer, a super-resolution layer, and a light transmitting layer on the substrate, a space shorter than at least the resolution limit of a reproducing optical system is formed so that the space has a crescent shape when plan view from top surface and a convex section when viewed in a direction normal to a track, thereby allowing high carrier-to-noise ratio (CNR) recording of information.
摘要翻译：当在至少具有基板和记录层的超分辨率光学记录介质中形成具有取决于要记录的信息的调制码的尺寸的记录标记和空间时，超分辨率层和基板上的透光层，形成比再现光学系统的分辨率极限短的空间，使得当从正面的方向观察时，从上表面观察平面时的空间具有新月形状到轨道，从而允许信息的高载波噪声比（CNR）记录。

64. 发明申请

US20070098946A1 Optical recording disc 审中-公开
标题翻译：光记录盘
公开(公告)号：US20070098946A1
公开(公告)日：2007-05-03
申请号：US10561090
申请日：2004-06-30
申请人： Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
发明人： Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
IPC分类号： B32B3/02
CPC分类号： G11B7/2433 , B82Y10/00 , G11B7/2403 , G11B7/24065 , G11B7/252 , G11B7/2534 , G11B7/2542 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/25708 , G11B2007/2571 , G11B2007/25713 , G11B2007/25715 , G11B2007/25716 , G11B2007/25718
摘要： It is an object of the present invention to provide an optical recording disc which can record data constituted by a recording mark train including recording marks and blank regions neighboring recording marks therein and reproduce the data therefrom even in the case where the lengths of a recording mark and a blank region between neighboring recording marks are shorter than the resolution limit, thereby markedly increasing the storage capacity thereof and can improve a C/N ratio of a reproduced signal and the reproduction durability thereof. An optical recording disc includes a substrate 2, a reflective layer 3, a third dielectric layer 4, a light absorption layer 5, a second dielectric layer 6, a decomposition reaction layer 7 containing platinum oxide as a primary component, a first dielectric layer 8 and a light transmission layer 9 and is constituted so that when the optical recording disc is irradiated with a laser beam 20 from the side of the light transmission layer 9, the platinum oxide contained in the decomposition reaction layer 7 as a primary component is decomposed into platinum and oxygen so that a bubble pit is formed in the decomposition reaction layer 7 by thus generated oxygen gas and fine particles of the noble metal penetrate into the bubble pit, thereby forming a recording mark in the decomposition reaction layer 7.
摘要翻译：本发明的目的是提供一种光学记录盘，其可以记录由包括记录标记和包括记录标记在内的空白区域的记录标记列构成的数据，并且即使在记录标记的长度的情况下再现数据并且相邻记录标记之间的空白区域比分辨率极限短，从而显着增加其存储容量，并且可以提高再现信号的C / N比和其再现耐久性。光记录盘包括基板2，反射层3，第三电介质层4，光吸收层5，第二电介质层6，含有氧化铂作为主要成分的分解反应层7，第一介电层8 和光透射层9，并且被构造成使得当从光透射层9的侧面照射激光束20时，作为主要成分的分解反应层7中包含的氧化铂被分解成铂和氧，使得通过这样产生的氧气在分解反应层7中形成气泡，并且贵金属的细颗粒渗透到气泡坑中，从而在分解反应层7中形成记录标记。

65. 发明申请

US20060280895A1 Optical recording medium, method for producing the same, and data recording method and data reproducing method for optical recording medium 审中-公开
标题翻译：光记录介质及其制造方法，以及用于光记录介质的数据记录方法和数据再现方法
公开(公告)号：US20060280895A1
公开(公告)日：2006-12-14
申请号：US10568582
申请日：2004-08-12
申请人： Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
发明人： Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
IPC分类号： B32B3/02
CPC分类号： G11B7/243 , G11B7/24065
摘要： An optical recording medium 10 is provided with a supporting substrate 11 and a light-transmitting layer 12, and further has between the light-transmitting layer 12 and the supporting substrate 11 a dielectric layer 31, a noble-metal oxide layer 23, a dielectric layer 32, a light absorption layer 22 and a dielectric layer 33. The second dielectric layer 32 contains as a main component ZnS or a mixture of ZnS and SiO2, and therein the proportion of ZnS to the sum of ZnS and SiO2 is set at a value from 60 mole % to 100 mole %. Since the material of the second dielectric layer 32 has both high hardness and elasticity, and high thermal conductivity besides, excellent balance of thermal conductivity with layer hardness can be achieved and makes it possible to form fine recording marks in true shapes.
摘要翻译：光记录介质10设置有支撑基板11和透光层12，并且在透光层12和支撑基板11之间还具有电介质层31，贵金属氧化物层23，电介质层32，光吸收层22和电介质层33。第二电介质层32含有作为主要成分的ZnS或ZnS与SiO 2的混合物，其中ZnS与ZnS与SiO 2的总量的比例被设定其值为60摩尔％至100摩尔％。由于第二电介质层32的材料具有高的硬度和弹性，并且除了具有优异的导热性与层硬度的平衡之外，还具有高导热性，并且可以形成真实形状的精细记录标记。

66. 发明申请

US20060245338A1 Optical recording disc 失效
标题翻译：光记录盘
公开(公告)号：US20060245338A1
公开(公告)日：2006-11-02
申请号：US10565351
申请日：2004-06-30
申请人： Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
发明人： Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
IPC分类号： G11B7/24
CPC分类号： G11B7/24065 , G11B7/00452 , G11B7/243
摘要： It is an object of the present invention to provide an optical recording disc which can record data constituted by a recording mark train including recording marks and blank regions neighboring recording marks therein and reproduce the data therefrom even in the case where the lengths of a recording mark and a blank region between neighboring recording marks are shorter than the resolution limit, thereby markedly increasing the storage capacity thereof and can improve the C/N ratio of the reproduced signal. An optical recording disc includes a substrate 2, a third dielectric layer 3, a light absorption layer 4, a second dielectric layer 5, a decomposition reaction layer 6 containing platinum oxide as a primary component, a first dielectric layer 7 and a light transmission layer 8 and wherein the decomposition reaction layer 6 has a thickness of 2 nm to 20 nm and the optical recoding disc is constituted so that when it is irradiated with a laser beam 20 from the side of the light transmission layer 8, the platinum oxide contained in the decomposition reaction layer 6 as a primary component is decomposed into platinum and oxygen so that a bubble pit is formed in the decomposition reaction layer 6 by thus generated oxygen gas and fine particles of the noble metal precipitate into the bubble pit, thereby forming a recording mark in the decomposition reaction layer 6.
摘要翻译：本发明的目的是提供一种光学记录盘，其可以记录由包括记录标记和包括记录标记在内的空白区域的记录标记列构成的数据，并且即使在记录标记的长度的情况下再现数据并且相邻记录标记之间的空白区域比分辨率极限短，从而显着增加其存储容量，并且可以提高再现信号的C / N比。光记录盘包括基板2，第三电介质层3，光吸收层4，第二电介质层5，含有氧化铂作为主要成分的分解反应层6，第一电介质层7和光透射层 8，其中分解反应层6具有2nm至20nm的厚度，并且光学记录盘被构造成使得当从透光层8的侧面照射激光束20时，包含在作为主要成分的分解反应层6分解为铂和氧，从而通过这样产生的氧气在分解反应层6中形成气泡，并且贵金属的细颗粒沉淀到气泡坑中，从而形成记录在分解反应层6中标记。

67. 发明申请

US20060161942A1 Optical recording medium and process for producing the same, method for recording data on optical recording medium and method for reproducing data from optical recording medium 审中-公开
标题翻译：光记录介质及其制造方法，用于在光记录介质上记录数据的方法和从光记录介质再现数据的方法
公开(公告)号：US20060161942A1
公开(公告)日：2006-07-20
申请号：US10563012
申请日：2004-06-29
申请人： Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
发明人： Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
IPC分类号： G11B7/24 , G11B23/03
CPC分类号： G11B7/252 , G11B7/2403 , G11B7/24065 , G11B7/258 , G11B2007/24308 , G11B2007/2431 , G11B2007/24314 , G11B2007/24316
摘要： An optical recording device 10 of the present invention has a support substrate 11; an optical transmitting layer 12; and a first dielectric layer 31, a noble metal oxide layer 23, a second dielectric layer 32, a light absorption layer 22, a third dielectric layer 33, and a reflection layer 21, all of which are interposed, in this sequence from the optical transmitting layer, between the optical transmitting layer and the support substrate. The thickness of the support substrate 11 ranges from 0.6 mm to 2.0 mm; the thickness of the optical transmitting layer ranges from 10 μm to 200 μm; the thickness of the noble metal oxide layer ranges from 2 nm to 50 nm; the thickness of the second dielectric layer ranges from 5 nm to 100 nm; the thickness of the light absorption layer 22 ranges from 5 nm to 100 nm; and the thickness of the third dielectric layer 33 ranges from 10 nm to 140 nm. A superior characteristic can be acquired through super-resolution recording and super-resolution reproduction using an optical system for use with an optically recording medium of the next generation type.
摘要翻译：本发明的光记录装置10具有支撑基板11，光传输层12; 以及从光学部件依次插入的第一电介质层31，贵金属氧化物层23，第二电介质层32，光吸收层22，第三电介质层33和反射层21 在透光层和支撑衬底之间。支撑基板11的厚度为0.6mm〜2.0mm，光透射层的厚度为10〜200μm; 贵金属氧化物层的厚度为2nm〜50nm; 第二电介质层的厚度为5nm至100nm; 光吸收层22的厚度为5nm至100nm; 第三电介质层33的厚度为10nm〜140nm。可以通过使用与下一代光学记录介质一起使用的光学系统的超分辨率记录和超分辨率再现来获得优异的特性。

68. 发明授权

US07014902B2 Optical disc and method for manufacturing the same 有权
标题翻译：光盘及其制造方法
公开(公告)号：US07014902B2
公开(公告)日：2006-03-21
申请号：US10793040
申请日：2004-03-05
申请人： Narutoshi Fukuzawa , Hiroshi Take , Hiroshi Kawahara
发明人： Narutoshi Fukuzawa , Hiroshi Take , Hiroshi Kawahara
IPC分类号： B32B3/02
CPC分类号： G11B7/2542 , G11B7/246 , G11B7/2545 , G11B7/266 , Y10T428/21
摘要： An optical disc is includes a recording layer, a reflective layer, and a protective layer provided, in that order, on one surface of a light-transmissive substrate and a hard coating layer having a thickness in the range of 1 to 5 μm on the other surface of the substrate. The hard coating layer is formed by applying and curing a solution comprising a hard coating agent containing colloidal silica and a UV-curable acrylic resin and a solvent containing butyl acetate as a principal constituent. The hard coating layer contains 90 mg/cm3 or less of residual solvent.
摘要翻译：光盘包括依次设置在透光性基板的一个表面上的记录层，反射层和保护层，该保护层的厚度在1〜5μm的范围内衬底的其他表面。通过涂布和固化含有胶体二氧化硅和UV固化丙烯酸树脂的硬涂层剂和含有乙酸丁酯的溶剂作为主要成分的溶液来形成硬涂层。硬涂层含有90mg / cm 3以下的残留溶剂。

69. 发明申请

US20050117478A1 Method for reproducing data and an apparatus for recording and reproducing data 有权
标题翻译：用于再现数据的方法和用于记录和再现数据的装置
公开(公告)号：US20050117478A1
公开(公告)日：2005-06-02
申请号：US10929892
申请日：2004-08-30
申请人： Masashi Kuwahara , Takayuki Shima , Junji Tominaga , Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
发明人： Masashi Kuwahara , Takayuki Shima , Junji Tominaga , Takashi Kikukawa , Narutoshi Fukuzawa , Tatsuhiro Kobayashi
IPC分类号： G11B7/243 , G11B5/09 , G11B7/005 , G11B7/125 , G11B7/24 , G11B19/26
CPC分类号： G11B19/26 , G11B7/005 , G11B7/1267 , G11B7/24
摘要： A method for reproducing data according to the present invention is adapted for reproducing data recorded in an optical recording disc including a multi-layered body formed by forming a decomposition reaction layer containing noble metal oxide as a primary component and a light absorption layer so as to sandwich a dielectric layer therebetween by irradiating a laser beam onto the optical recording disc and forming a recording mark train including at least one of a recording mark having a length shorter than a resolution limit and a blank region having a length shorter than the resolution limit therein, and is constituted by changing the read power Pr of the laser beam in accordance with a readout linear velocity at which data are to be reproduced from the optical recording disc. According to the thus constituted method for reproducing data, even in the case where the length of a recording mark or the length of a blank region between neighboring recording marks is shorter than the resolution limit, it is possible to record and reproduce a recording mark train including these recording marks and the blank regions. Therefore, this method can be applied to an optical recording medium whose storage capacity is markedly increased.
摘要翻译：根据本发明的再现数据的方法适用于再现记录在包括通过形成含有贵金属氧化物作为主要成分的分解反应层和光吸收层而形成的多层体的光学记录盘中的数据，以便通过将激光束照射到光学记录盘上并形成包括长度小于分辨率极限的记录标记和长度小于分辨率极限的空白区域中的至少一个的记录标记列，夹在其间的电介质层并且通过根据从光记录盘再现数据的读出线速度来改变激光束的读取功率Pr构成。根据这样构成的再现数据的方法，即使在记录标记的长度或相邻记录标记之间的空白区域的长度比分辨率极限短的情况下，也可以记录和再现记录标记列包括这些记录标记和空白区域。因此，该方法可以应用于存储容量明显增加的光记录介质。

70. 发明申请

US20050100704A1 Optical recording medium 失效
标题翻译：光记录介质
公开(公告)号：US20050100704A1
公开(公告)日：2005-05-12
申请号：US11014855
申请日：2004-12-20
申请人： Takashi Horai , Hiroyuki Arioka , Narutoshi Fukuzawa , Syuji Tsukamoto
发明人： Takashi Horai , Hiroyuki Arioka , Narutoshi Fukuzawa , Syuji Tsukamoto
IPC分类号： B41M5/26 , G11B7/004 , G11B7/24 , G11B7/244 , G11B7/247 , G11B7/249 , B32B3/02
CPC分类号： G11B7/2472 , G11B7/2467 , G11B7/247 , G11B7/249 , G11B7/2492 , G11B7/2495 , G11B7/2533 , G11B7/2534 , G11B7/2536 , G11B7/2542 , G11B7/256 , G11B7/258 , G11B7/259 , G11B2007/24612 , Y10T428/21
摘要： An optical recording medium can be recorded at a high linear velocity of at least 10 m/s while maintaining an excellent light stability and favorable reflectance. A recording medium is constructed of a recording layer on a substrate, the recording layer including a first dye with a maximum absorption wavelength in a thin-film state of 450 nm to 620 nm inclusive as a first dye and being formed so as to include a second dye with an extinction coefficient of at least 0.5 for a recording wavelength. In this case, it is preferable for the second dye to have a maximum absorption wavelength of 620 nm to 750 nm inclusive in a thin-film state.
摘要翻译：可以以至少10m / s的高线速度记录光记录介质，同时保持优异的光稳定性和良好的反射率。记录介质由基板上的记录层构成，记录层包括作为第一染料的包含450nm至620nm的薄膜状态的具有最大吸收波长的第一染料，并且形成为包括对于记录波长，具有至少为零的消光系数的第二染料。在这种情况下，优选的是，在薄膜状态下，第二染料的最大吸收波长为620nm〜750nm。

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