公开(公告)号：US06775838B2

公开(公告)日：2004-08-10

申请号：US09945811

申请日：2001-09-05

申请人： Tsuyoshi Komaki ,  Naoki Hayashida ,  Hideki Hirata

发明人： Tsuyoshi Komaki ,  Naoki Hayashida ,  Hideki Hirata

IPC分类号： G11B370

CPC分类号： G11B7/244 ,  G11B7/24056 ,  G11B7/253 ,  G11B7/254 ,  G11B7/257

摘要： An optical information medium is provided. The medium comprises a supporting substrate, an information recording layer thereon, and a light-transmitting layer thereon and a recording or reading laser beam enters the recording layer through the light-transmitting layer, and in such medium, recording/reading characteristics are improved when the beam spot of a laser beam has a small diameter and the linear velocity is high with the function of the light-transmitting layer to protect the information recording layer maintained at a sufficient level. Also provided is a medium wherein storage stability is improved. In the optical information medium comprising a supporting substrate, an information recording layer thereon, and a light-transmitting layer on the information recording layer wherein a recording or reading laser beam enters the information recording layer through the light-transmitting layer, the light-transmitting includes at least one resin layer, and has a tensile yield stress of 20 to 100 MPa and tensile strain at yield of 0.1 to 15%.

摘要翻译： 提供光信息介质。 介质包括支撑基板，其上的信息记录层及其上的透光层，并且记录或读取激光束通过透光层进入记录层，并且在这种介质中，记录/读取特性得到改善，当 激光束的光斑具有小直径，并且线速度高，具有透光层的功能，以保护信息记录层保持在足够的水平。 还提供了一种改善了储存稳定性的介质。 在其上记录或读取激光束通过透光层进入信息记录层的信息记录层上的包括支撑基板，信息记录层和透光层的光学信息介质中，透光层 包含至少一层树脂层，拉伸屈服应力为20〜100MPa，拉伸应变为0.1〜15％。

公开(公告)号：US06731590B1

公开(公告)日：2004-05-04

申请号：US09714174

申请日：2000-11-17

申请人： Hiroshi Shingai ,  Hideki Hirata

发明人： Hiroshi Shingai ,  Hideki Hirata

IPC分类号： G11B724

CPC分类号： G11B7/252 ,  G11B7/24 ,  G11B7/24062 ,  G11B7/2531 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/256 ,  G11B7/2585 ,  G11B7/259 ,  G11B7/2595 ,  G11B11/10584 ,  G11B2007/24304 ,  G11B2007/24306 ,  G11B2007/24308 ,  G11B2007/2431 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/2571 ,  G11B2007/25713 ,  G11B2007/25715 ,  G11B2007/25716

摘要： Reduction in noise of the read out signal as well as enhanced storage reliability are realized in an optical recording medium comprising a supporting substrate, and a reflective layer, a recording layer, and a light-transmitting substrate disposed on the supporting substrate in this order. The optical recording medium comprises a supporting substrate 20, and an intermediate layer 10 comprising an amorphous material, a reflective layer 5 comprising a polycrystalline material, a recording layer 4, and a light-transmitting substrate 2 disposed on the supporting substrate in this order. The write beam and the read beam are directed through the light-transmitting substrate 2.

摘要翻译： 读出信号的噪声降低以及增强的存储可靠性在包括支撑衬底以及设置在支撑衬底上的反射层，记录层和透光衬底的光学记录介质中实现。 该光学记录介质包括支撑衬底20和包括非晶材料的中间层10，包括多晶材料的反射层5，记录层4和设置在支撑衬底上的透光衬底2。 写入光束和读取光束被引导通过透光基板2。

公开(公告)号：US06689415B2

公开(公告)日：2004-02-10

申请号：US09875139

申请日：2001-06-07

申请人： Tsuyoshi Komaki ,  Hideki Hirata ,  Kenji Yamaga

发明人： Tsuyoshi Komaki ,  Hideki Hirata ,  Kenji Yamaga

IPC分类号： B05D132

CPC分类号： B05C11/08 ,  G11B7/26 ,  G11B11/10582

摘要： A method and apparatus is provided for preparing an optical information medium comprising a disk-shaped substrate having a center hole, an information recording layer thereon, and a resin-based light-transmitting layer thereon by which recording/reading laser beam is transmitted. The apparatus includes a rotating table (2) for holding and rotating the substrate (100) having the information recording layer borne thereon, a plug means (3) including a disk member (31) for closing the center hole (101) and an integral support shaft (32), and a nozzle (4) for feeding a coating fluid containing the resin to the outer periphery of the support shaft (32), wherein the coating fluid is flowed from the support shaft to the disk member, then over the substrate, thereby forming the light-transmitting layer having a minimized thickness variation.

摘要翻译： 提供了一种用于制备光学信息介质的方法和装置，所述光学信息介质包括其上具有中心孔的盘形基板，其上的信息记录层和在其上透射记录/读取激光束的树脂基透光层。 该装置包括用于保持和旋转具有承载在其上的信息记录层的基底（100）的旋转台（2），包括用于封闭中心孔（101）的盘构件（31）和插入件 支撑轴（32）和用于将包含树脂的涂布流体供给到支撑轴（32）的外周的喷嘴（4），其中涂覆流体从支撑轴流到盘构件，然后在 从而形成具有最小厚度变化的透光层。

公开(公告)号：US06680899B2

公开(公告)日：2004-01-20

申请号：US09891268

申请日：2001-06-27

申请人： Tsuyoshi Komaki ,  Hideki Hirata ,  Naoki Hayashida ,  Toshifumi Tanaka

发明人： Tsuyoshi Komaki ,  Hideki Hirata ,  Naoki Hayashida ,  Toshifumi Tanaka

IPC分类号： G11B724

CPC分类号： G11B7/2575 ,  G11B7/24056 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/2545 ,  G11B7/256 ,  G11B7/2585

摘要： An optical information medium comprising a supporting substrate, an information recording area on the supporting substrate, and a light-transmitting layer covering at least the information recording area, wherein the information recording area is irradiated with the recording/reading laser beam through the light-transmitting layer, and wherein the light-transmitting layer is highly scratch resistant upon contact with the optical pickup is provided. Also provided is an optical information medium which has a scratch-resistant light transmitting layer, and which experiences reduced vibration in high-speed rotation without suffering from problems in focus servo and tracking servo. In such optical information medium, the surface of the medium on the side of the laser beam incidence at least in the part above the information recording area has a dynamic coefficient of friction of up to 0.4.

摘要翻译： 一种光信息介质，包括支撑基板，支撑基板上的信息记录区域和至少覆盖信息记录区域的透光层，其中通过记录/读取激光束照射信息记录区域， 并且其中所述透光层在与所述光学拾取器接触时具有高耐刮擦性。 还提供了具有耐擦伤光透射层的光学信息介质，并且在聚焦伺服和跟踪伺服中没有遇到问题的同时，在高速旋转中经历减少的振动。 在这种光学信息介质中，至少在信息记录区域上方的部分中激光束侧面的介质表面具有高达0.4的动态摩擦系数。

公开(公告)号：US06540397B2

公开(公告)日：2003-04-01

申请号：US09828693

申请日：2001-04-05

申请人： Jiro Yoshinari ,  Takuya Tsukagoshi ,  Hideki Hirata ,  Naoki Hayashida ,  Tokuyuki Honda ,  Mark E. McDonald ,  Michael V. Morelli ,  Andrew J. Daiber ,  Sanjoy Ghose ,  Lambertus Hesselink ,  Shunichi Nishimura ,  Sergei Sochava

发明人： Jiro Yoshinari ,  Takuya Tsukagoshi ,  Hideki Hirata ,  Naoki Hayashida ,  Tokuyuki Honda ,  Mark E. McDonald ,  Michael V. Morelli ,  Andrew J. Daiber ,  Sanjoy Ghose ,  Lambertus Hesselink ,  Shunichi Nishimura ,  Sergei Sochava

IPC分类号： G04B3700

CPC分类号： G11B7/0065 ,  G11B7/007 ,  G11B7/0938 ,  G11B7/24 ,  G11B7/243 ,  G11B7/244 ,  G11B7/2534 ,  G11B7/2595 ,  G11B2007/0013

摘要： An optical information medium comprising at least two data layers for bearing recorded information, and a servo layer for bearing tracking servo, information which is independently formed from the data layers; wherein the medium is used with a recording or reading system wherein a data beam for recording or reading the data in the data layer and a servo beam for reading the tracking servo information in the servo layer are used, and the servo layer is read by the servo beam that had passed through the data layer; and a filter layer is disposed between the data layer and the servo layer, and the filter layer exhibits higher absorption to the data beam than to the servo beam.

摘要翻译： 一种光信息介质，包括用于承载记录信息的至少两个数据层，以及用于承载跟踪伺服的伺服层，由数据层独立地形成的信息; 其中介质与记录或读取系统一起使用，其中使用用于记录或读取数据层中的数据的数据束和用于读取伺服层中的跟踪伺服信息的伺服光束，并且伺服层被读取 通过数据层的伺服光束; 并且在数据层和伺服层之间设置过滤层，并且过滤层对数据束的吸收比对伺服光束的吸收更高。

公开(公告)号：US06511729B1

公开(公告)日：2003-01-28

申请号：US09619317

申请日：2000-07-18

申请人： Hideki Hirata

发明人： Hideki Hirata

IPC分类号： B32B302

CPC分类号： G11B7/256 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/257 ,  G11B7/2585 ,  Y10T428/21

摘要： An optical information medium includes a support substrate (20) having an information recording layer (4) on one surface, and a light transmissive layer (2) thereon, wherein writing and/or reading light enters the information recording layer (4) through the light transmissive layer (2). The light transmissive layer (2) includes a light transmissive resin sheet (201) and an adhesive layer (202) of a UV-curable resin joining the light transmissive sheet to the support substrate and having an average thickness from 0.5 &mgr;m to less than 5 &mgr;m. The light transmissive layer has a uniform thickness, minimized optical heterogeneity, and least increased birefringence and is effective for restraining medium bowing.

摘要翻译： 光学信息介质包括在一个表面上具有信息记录层（4）的支撑衬底（20）和其上的透光层（2），其中写入和/或读取光通过所述信息记录层（4）进入信息记录层 透光层（2）。 透光层（2）包括透光树脂片（201）和将透光性片接合到支撑基板的紫外线固化性树脂的粘合层（202），平均厚度为0.5μm〜小于5μm 妈妈 光透射层具有均匀的厚度，最小化的光学异质性和最小的双折射，并且对于抑制中等弯曲是有效的。

公开(公告)号：US5571629A

公开(公告)日：1996-11-05

申请号：US296156

申请日：1994-08-29

申请人： Hajime Utsunomiya ,  Hideki Hirata ,  Kenji Uchiyama ,  Hideki Ishizaki ,  Suguru Takayama

发明人： Hajime Utsunomiya ,  Hideki Hirata ,  Kenji Uchiyama ,  Hideki Ishizaki ,  Suguru Takayama

IPC分类号： G11B7/243 ,  G11B7/257 ,  G11B11/105 ,  G11B11/00 ,  G11B5/66 ,  G11B5/70

CPC分类号： G11B11/10593 ,  G11B11/10586 ,  G11B7/243 ,  G11B7/257 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/2571 ,  G11B2007/25713 ,  G11B2007/25715 ,  Y10S428/90

摘要： An optical recording medium comprising a recording layer on a substrate and an intermediate layer between the substrate and the recording layer exhibits high reflectance and corrosion resistance when the intermediate layer comprises silicon, aluminum, oxygen, nitrogen, and at least one element selected from the group consisting of yttrium, lanthanide elements and actinide elements, and contains 0.1 to 2 atom % of the element and 20 to 90 atom % of silicon and nitrogen combined or 2 to 35 atom % of the element and 20 to 95 atom % of silicon and nitrogen combined.

摘要翻译： 包括基板上的记录层和基板与记录层之间的中间层的光学记录介质当中间层包括硅，铝，氧，氮以及选自组中的至少一种元素时，具有高反射率和耐腐蚀性 由钇，镧系元素和锕系元素组成，含有0.1〜2原子％的元素和20〜90原子％的硅和氮的组合或2〜35原子％的元素和20〜95原子％的硅和氮 结合在一起

公开(公告)号：US08518514B2

公开(公告)日：2013-08-27

申请号：US13277465

申请日：2011-10-20

申请人： Takashi Kikukawa ,  Motohiro Inoue ,  Atsuko Kosuda ,  Tomoki Ushida ,  Hideki Hirata

发明人： Takashi Kikukawa ,  Motohiro Inoue ,  Atsuko Kosuda ,  Tomoki Ushida ,  Hideki Hirata

IPC分类号： G11B7/24

CPC分类号： G11B7/24038 ,  G11B2007/24314 ,  G11B2007/2432

摘要： Simple design of a multilayer optical recording medium is achieved while suppressing interlayer crosstalk and confocal crosstalk in the multilayer optical recording medium. Simple recording and reading control by a recording and reading unit is also achieved. The multilayer optical recording medium includes at least three or more recording and reading layers deposited one above the other with intermediate layers interposed therebetween, and information can be read by light irradiation from the layers. The intermediate layers have film thicknesses of two types or less, and all the recording and reading layers except the recording and reading layer farthest from a light incident surface have substantially the same optical constant.

摘要翻译： 在多层光学记录介质中抑制层间串扰和共焦串扰的同时实现多层光学记录介质的简单设计。 也可以通过记录和读取单元进行简单的记录和读取控制。 多层光学记录介质包括至少三个或更多个记录和读取层之间沉积的中间层，并且可以通过来自层的光照射来读取信息。 中间层具有两种或更少的膜厚度，并且离光入射表面最远的记录和读取层以外的所有记录和读取层具有基本上相同的光学常数。

公开(公告)号：US08339908B2

公开(公告)日：2012-12-25

申请号：US13032221

申请日：2011-02-22

申请人： Motohiro Inoue ,  Takashi Kikukawa ,  Atsuko Kosuda ,  Hideki Hirata

发明人： Motohiro Inoue ,  Takashi Kikukawa ,  Atsuko Kosuda ,  Hideki Hirata

IPC分类号： G11B7/00 ,  G11B7/24

CPC分类号： G11B7/0938 ,  G11B7/00736 ,  G11B7/24038 ,  G11B7/24079 ,  G11B2007/0013

摘要： An optical recording and reading method is provided in which the information necessary for recording and reading layers is quickly acquired to reduce the seek time during reading and recording. The optical recording and reading method is used for an optical recording medium that includes a plurality of recording and reading layers and a servo layer. Information is recorded on or read from the recording and reading layers by irradiating them with a recording and reading beam while the servo layer is irradiated with a servo beam to perform tracking control. When information is recorded on the recording and reading layers, control information necessary for subsequent recording and reading to be performed on the recording and reading layers is recorded on the servo layer 18. When the subsequent recording or reading is performed, the control information on the servo layer is consulted, and then the recording or reading is performed on the recording and reading layers.

摘要翻译： 提供一种光学记录和读取方法，其中快速获取记录和读取层所需的信息以减少读取和记录期间的寻道时间。 光学记录和读取方法用于包括多个记录和读取层和伺服层的光学记录介质。 当伺服层被伺服光束照射以进行跟踪控制时，通过用记录和读取光束照射记录和读取层来将信息记录在记录层和读取层上。 当信息被记录在记录层和读取层上时，对记录和读取层执行的后续记录和读取所需的控制信息被记录在伺服层18上。当执行后续的记录或读取时，控制信息 参考伺服层，然后在记录和读取层上执行记录或读取。

公开(公告)号：US20110205870A1

公开(公告)日：2011-08-25

申请号：US13032242

申请日：2011-02-22

申请人： Atsuko Kosuda ,  Motohiro Inoue ,  Takashi Kikukawa ,  Hideki Hirata

发明人： Atsuko Kosuda ,  Motohiro Inoue ,  Takashi Kikukawa ,  Hideki Hirata

IPC分类号： G11B7/24 ,  G11B7/00

CPC分类号： G11B7/24079 ,  G11B7/00736 ,  G11B7/24038 ,  G11B2007/0013

摘要： An optical recording medium including recording and reading layers and a servo layer increases the recording capacity thereof. In the optical recording medium including the plurality of recording and reading layers and the servo layer, the servo layer has a groove and a land that can be used to perform tracking control with a long-wavelength servo beam. Information is recorded on the recording and reading layers with a recording and reading beam having a wavelength shorter than the wavelength of the servo beam. Recording marks are formed on the recording and reading layers while both the groove and land are tracked.

摘要翻译： 包括记录和读取层和伺服层的光学记录介质增加其记录容量。 在包括多个记录和读取层和伺服层的光学记录介质中，伺服层具有可用于利用长波长伺服光束执行跟踪控制的凹槽和平台。 信息被记录在具有比伺服光束的波长短的波长的记录和读取光束的记录和读取层上。 在记录和读取层上形成记录标记，同时跟踪凹槽和平台。