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101. 发明授权

US06456584B1 Optical information recording medium comprising a first layer having a phase that is reversibly changeable and a second information layer having a phase that is reversibly changeable 失效
标题翻译：光学信息记录介质包括具有可逆变化的相位的第一层和具有可逆变化的相位的第二信息层
公开(公告)号：US06456584B1
公开(公告)日：2002-09-24
申请号：US09311635
申请日：1999-05-14
申请人： Ken'ichi Nagata , Kenichi Nishiuchi , Noboru Yamada , Nobuo Akahira
发明人： Ken'ichi Nagata , Kenichi Nishiuchi , Noboru Yamada , Nobuo Akahira
IPC分类号： G11B724
CPC分类号： G11B7/26 , G11B7/00454 , G11B7/0052 , G11B7/126 , G11B7/24038 , G11B7/243 , G11B7/252 , G11B2007/0013 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/2571 , G11B2007/25713
摘要： A multi-layer optical information recording medium has a first information layer located at the incident side for a laser beam and another information layer at the back thereof. Thus, it has a large capacity. A relationship that R1a
摘要翻译：多层光信息记录介质具有位于激光束的入射侧的第一信息层和其背面的另一信息层。因此，它具有很大的容量。在记录部分和非记录部分中R1a

102. 发明授权

US06449239B1 Optical information recording medium with thermal diffusion layer 有权
标题翻译：具有热扩散层的光学信息记录介质
公开(公告)号：US06449239B1
公开(公告)日：2002-09-10
申请号：US09442900
申请日：1999-11-18
申请人： Mayumi Uno , Noboru Yamada , Ken'ichi Nagata , Hideo Kusada
发明人： Mayumi Uno , Noboru Yamada , Ken'ichi Nagata , Hideo Kusada
IPC分类号： G11B724
CPC分类号： G11B7/2548 , G11B7/24 , G11B7/252 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/256 , G11B7/259 , G11B7/2595 , G11B2007/24304 , G11B2007/24308 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25411 , G11B2007/25414 , G11B2007/25417 , G11B2007/25706 , G11B2007/25708 , G11B2007/2571 , G11B2007/25711 , G11B2007/25713 , G11B2007/25715 , G11B2007/25716 , G11B2007/25718
摘要： An optical information recording medium is provided in which recording can be performed at higher speed with higher density by enabling the cooling power of the recording medium to be improved, the overwritten-mark distortion to be decreased, and an medium with high transmittance to be obtained. The optical information recording medium is formed by laminating, sequentially on a substrate: a protective layer; an interface layer; a recording layer whose optical characteristics are varied reversibly by irradiation of a laser beam; an interface layer; a light transmittance type reflective layer that transmits the laser beam with a wavelength &lgr;; and a thermal diffusion layer. A thickness d of the thermal diffusion layer is set to be within a range of 0
摘要翻译：提供一种光学信息记录介质，其中可以通过使记录介质的冷却功率得到改善，可以提高记录介质的冷却功率，降低重写标记失真和获得高透射率的介质，以更高的速度进行更高的记录。光学信息记录介质通过依次层叠在基板上形成：保护层; 界面层; 其光学特性通过激光束的照射可逆地变化的记录层; 界面层; 透射型反射层，其透射波长为lamb的激光束; 和热扩散层。热扩散层的厚度d设定在0

103. 发明授权

US6033535A Optical information recording disk and method for manufacturing the same 失效
标题翻译：光信息记录盘及其制造方法
公开(公告)号：US6033535A
公开(公告)日：2000-03-07
申请号：US477628
申请日：1995-06-07
申请人： Eiji Ohno , Yoshitaka Sakaue , Kenichi Nagata , Nobuo Akahira , Masahide Yokoyama , Hiroshi Hayata , Noboru Yamada
发明人： Eiji Ohno , Yoshitaka Sakaue , Kenichi Nagata , Nobuo Akahira , Masahide Yokoyama , Hiroshi Hayata , Noboru Yamada
IPC分类号： C23C14/34 , C23C14/35 , G11B7/243 , G11B7/26
CPC分类号： G11B7/243 , C23C14/3414 , C23C14/3464 , G11B7/26 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , Y10S428/913 , Y10S430/146 , Y10T428/21
摘要： The present invention is to provide a method for manufacturing the PCE optical information recording disk under control of not only the crystallization velocity but also the complex index of refraction and thus the reflectance on the disk surface.The PCE optical information recording disk is suitable to be used under the constant angular velocity (the constant rotational numbers wherein the disk has a characteristic that the crystallization velocity is designed to become faster from inside area of the disk to outside area in the radical direction thereof under control of not only the crystallization velocity but also the complex index of refraction and thus the reflectance on the disk surface.In the case of mass production and high film formation to be required, the present invention provides an effective method for manufacturing the optical disk by means of sputtering from at least two targets at the same time in a manner that the crystallization velocity is increased in a radial direction from inside area to outside area in the disk.
摘要翻译：本发明提供一种用于制造PCE光学信息记录盘的方法，该方法不仅可以控制结晶速度，而且可以控制复合折射率，从而在盘表面上的反射率。 PCE光学信息记录盘适用于以恒定角速度（其中盘具有结晶速度设计成从盘的内部区域到其沿自由度方向的外部区域变得更快的特性的恒定角速度不仅可以控制结晶速度，而且可以控制复杂的折射率，从而提高光盘表面的反射率。在大量生产和需要高成膜的情况下，本发明提供了一种制造光盘的有效方法通过同时从至少两个靶的溅射以使得结晶速度在盘的内部区域到外部区域的径向方向上增加的方式。

104. 发明授权

US5768233A Data storage apparatus for recording and reproducing information on a recording medium by rotating the medium at different zone recording angular velocities and a reading angular velocity during a stand-by mode 失效
标题翻译：数据存储装置，用于通过以不同的区域记录角速度和待机模式下的读取角速度旋转介质来在记录介质上记录和再现信息
公开(公告)号：US5768233A
公开(公告)日：1998-06-16
申请号：US778950
申请日：1997-01-06
申请人： Nobuo Akahira , Kenichi Nishiuchi , Eiji Ohno , Kenichi Nagata , Noboru Yamada
发明人： Nobuo Akahira , Kenichi Nishiuchi , Eiji Ohno , Kenichi Nagata , Noboru Yamada
IPC分类号： G11B7/00 , G11B7/004 , G11B7/0045 , G11B7/007 , G11B19/12 , G11B19/247 , G11B19/26 , G11B19/28 , G11B20/12
CPC分类号： G11B7/00454 , G11B19/26 , G11B7/0079 , G11B7/00745
摘要： A track on the disk is divided into plural concentric zones on the radial position thereof. During recording, the angular velocity varies according to the zones accessed for recording, and the disk is driven at a rotational velocity whereby the angular velocity is constant within any single zone but decreases as the radial position of the zone of the accessed track approaches the outside circumference of the disk. During reproducing, the disk is driven at a rotational velocity whereby the angular velocity is constant in all zones. The range of change in the relative linear velocity of the head to the track is thus smaller and the change in the recording conditions is less during recording. During reproducing, there is no delay time required for rotational control of the disk, and the desired track can be more quickly accessed.
摘要翻译：磁盘上的轨道在其径向位置被分成多个同心区域。在记录期间，角速度根据被记录的区域而变化，并且以旋转速度驱动盘，其中角速度在任何单个区域内是恒定的，但随着被访问的轨道的区域的径向位置接近外部而减小盘的周长。在再现期间，以旋转速度驱动盘，其中角速度在所有区域中是恒定的。因此，磁头与磁道的相对线速度的变化范围变小，记录时记录条件的变化较小。在再现期间，不需要用于盘的旋转控制的延迟时间，并且可以更快速地访问期望的轨道。

105. 发明授权

US5424106A Optical information recording medium and method of designing its structure 失效
标题翻译：光信息记录介质及其结构设计方法
公开(公告)号：US5424106A
公开(公告)日：1995-06-13
申请号：US45876
申请日：1993-04-15
申请人： Noboru Yamada , Nobuo Akahira , Kenichi Nishiuchi , Kenichi Nagata , Eiji Ohno , Shigeaki Furukawa
发明人： Noboru Yamada , Nobuo Akahira , Kenichi Nishiuchi , Kenichi Nagata , Eiji Ohno , Shigeaki Furukawa
IPC分类号： G11B7/006 , G11B7/24 , B32B3/00
CPC分类号： G11B7/006 , G11B7/24 , Y10S428/913 , Y10S430/146 , Y10T428/21 , Y10T428/31678
摘要： Phase-change-type optical recording medium comprises a first dielectric layer, a recording layer made of a phase change material, a second dielectric layer and a reflecting layer wherein the thicknesses of the first and second dielectric layers are determined for a given thickness of the recording layer so that the following conditions are satisfied;.DELTA.A+.DELTA.R.gtoreq.20% and .DELTA.A.gtoreq.5%wherein.DELTA.A=A(cry)-A(amo),A(cry), A(amo): light absorption rates of the recording layer in the crystal state and amorphous state, respectively,.DELTA.R=R(cry)-R(amo),R(cry) and R(amo): light reflection rates of the recording lates in the crystal state and amorphous state, respectively.
摘要翻译：相变型光学记录介质包括第一介质层，由相变材料制成的记录层，第二介电层和反射层，其中确定第一和第二介电层的厚度为给定的厚度记录层，以满足以下条件; DELTA A + DELTA R> / = 20％和DELTA A> / = 5％其中DELTA A = A（cry）-A（amo），A（cry），A（amo）：记录层的光吸收率晶体状态和非晶态分别为：晶体状态和非晶态的记录层的光反射率分别为：DELTA R = R（cry）-R（amo），R（cry）和R（amo）

106. 发明授权

US5231617A Optical information recording and reproducing apparatus and method of recording and reproducing information in an optical disk unit 失效
标题翻译：光信息记录和再现装置以及在光盘单元中记录和再现信息的方法
公开(公告)号：US5231617A
公开(公告)日：1993-07-27
申请号：US938675
申请日：1992-09-01
申请人： Isao Satoh , Sadao Mizuno , Noboru Yamada , Yasuhiro Gotoh
发明人： Isao Satoh , Sadao Mizuno , Noboru Yamada , Yasuhiro Gotoh
IPC分类号： G11B7/004 , G11B19/02
CPC分类号： G11B7/004 , G11B19/02
摘要： The present invention provides a large-capacity stack type optical disk unit capable of information recording and reproducing operation at a high speed and an optical information recording and reproducing apparatus for recording/reproducing information onto/from the stack type optical disk unit. The optical information recording and reproducing apparatus comprises a stack type optical disk unit having N recording faces, the sector starting position on the respective recording faces are displaced by a sector as unit from one face to another, one stationary optical units including a laser light source, a collimator, a reflector and a detector for a reflected beam from the recording faces, N sets of focusing units each for focusing a collimated beam onto respective recording faces, a beam distribution unit for distributing the collimated beam to the focusing units, and a servo unit for focussing outputs from the focusing units onto tracks of the recording faces and for performing tracking. Owing to the above described configuration, information can be consecutively recorded onto/reproduced from a desired track sector without an extra disk rotation waiting time when recording/reproducing operation is switched from a recording face to an adjacent recording face of the stack type optical disk unit.
摘要翻译：本发明提供一种能够高速信息记录和再现操作的大容量堆叠型光盘单元和用于在/从堆叠型光盘单元上记录/再现信息的光信息记录和再现设备。光信息记录和再现装置包括具有N个记录面的堆叠型光盘单元，各个记录面上的扇区开始位置以从一个面到另一个单位的扇区移位，一个固定光学单元包括激光光源，用于来自记录面的反射光束的准直器，反射器和检测器，用于将准直光束聚焦到各个记录面上的N组聚焦单元，用于将准直光束分配到聚焦单元的光束分配单元，以及伺服单元，用于将来自聚焦单元的输出聚焦到记录面的轨道上并用于执行跟踪。由于上述配置，当记录/再现操作从堆叠型光盘单元的记录面切换到相邻记录面时，可以将信息连续地记录到期望的轨道扇区/再现上，而不需要额外的盘旋转等待时间。

107. 发明授权

US5216657A Method and apparatus for timing variable optical information recording 失效
标题翻译：用于定时可变光信息记录的方法和装置
公开(公告)号：US5216657A
公开(公告)日：1993-06-01
申请号：US939046
申请日：1992-09-03
申请人： Kenichi Nishiuchi , Noboru Yamada , Nobuo Akahira , Kazutoyo Hirosawa , Tomio Yoshida , Shinji Kubota
发明人： Kenichi Nishiuchi , Noboru Yamada , Nobuo Akahira , Kazutoyo Hirosawa , Tomio Yoshida , Shinji Kubota
IPC分类号： G11B7/0055 , G11B7/006 , G11B20/10 , G11B20/14
CPC分类号： G11B20/10009 , G11B20/1426 , G11B7/00557 , G11B7/006
摘要： A method and an apparatus for recording information signals on an optical information recording medium which is reversibly changeable between optically distinguishable states corresponding to an irradiating condition of a bundle of high density energy such as laser beam. The starting point of recording signals is randomly changed, and the thermal history of the recording material by the beam irradiation is averaged and the number of repetition recording times is improved. A delay circuit is provided, and reference recording gate signals are formed on the basis of format signals obtained from a recording medium, and a random delay time is set just thereafter, and the starting point of recording of recording signals is started.
摘要翻译：一种用于在光学信息记录介质上记录信息信号的方法和装置，该光学信息记录介质在与激光束等高密度能量束的照射条件相对应的可光辨别状态之间是可逆地改变的。记录信号的起始点随机变化，通过光束照射对记录材料的热历史进行平均化，并且重复记录次数得到改善。提供延迟电路，并且基于从记录介质获得的格式信号形成参考记录门信号，并且随后设置随机延迟时间，并开始记录信号的记录起始点。

108. 发明授权

US5109373A Optical information recording method 失效
标题翻译：光信息记录方法
公开(公告)号：US5109373A
公开(公告)日：1992-04-28
申请号：US546906
申请日：1990-07-02
申请人： Eiji Ohno , Kenichi Nishiuchi , Noboru Yamada , Kenzou Ishibashi , Kunio Kimura , Nobuo Akahira
发明人： Eiji Ohno , Kenichi Nishiuchi , Noboru Yamada , Kenzou Ishibashi , Kunio Kimura , Nobuo Akahira
IPC分类号： G11B7/0045 , G11B7/006 , G11B7/125 , G11B20/10
CPC分类号： G11B7/0062 , G11B20/10009 , G11B7/0045 , G11B7/006 , G11B7/126
摘要： A recording apparatus overwrites an input signal having pulse duration periods and pulse spacing periods to an optical disk by irradiation of a laser beam to form recording marks corresponding to the pulse duration periods. The apparatus includes a detector for detecting a leading edge of the pulse duration period and for producing a start signal thereupon, another detector for detecting a trailing edge of the pulse duration period and for producing a stop signal thereupon, a pattern setting circuit for setting a predetermined basic pattern, and a pattern generator for generating the basic pattern from its beginning in response to the start signal and for terminating the generation of the basic pattern in response to the stop signal. The apparatus further includes a circuit for forming a modulated signal using a full or portion of the basic pattern produced from the pattern generator. The laser output is produced in according with the modulated signals.

109. 发明授权

US4908835A Information recording medium 失效
标题翻译：信息记录介质
公开(公告)号：US4908835A
公开(公告)日：1990-03-13
申请号：US373666
申请日：1989-06-29
申请人： Kenichi Nishiuchi , Nobuo Akahira , Noboru Yamada , Eiji Ohno
发明人： Kenichi Nishiuchi , Nobuo Akahira , Noboru Yamada , Eiji Ohno
IPC分类号： G11B7/24 , G11B7/0037 , G11B7/0045 , G11B7/241 , G11B7/26 , G11C13/04
CPC分类号： G11B7/2433 , G11B7/00375 , G11B7/00455 , G11B7/241 , G11B2007/24308 , G11B2007/2431 , G11B2007/24312 , G11B2007/24316 , G11B2007/2432 , G11B7/2533 , G11B7/2535
摘要： A method of measuring reliability of an information recording medium which comprises an information recording thin film. The method comprises the steps of heating said film at least once to its melting point, rapidly cooling said film after heating, measuring a transition temperature of said film after cooling, and comparing said transition temperature with a predetermined reference temperature.
摘要翻译：一种测量包括信息记录薄膜的信息记录介质的可靠性的方法。该方法包括以下步骤：将所述膜加热至少一次至其熔点，加热后快速冷却所述膜，测量冷却后所述膜的转变温度，并将所述转变温度与预定的参考温度进行比较。

110. 发明授权

US4839760A Read/write apparatus for disk cartridge 失效
标题翻译：磁盘盒读写装置
公开(公告)号：US4839760A
公开(公告)日：1989-06-13
申请号：US63043
申请日：1987-06-17
申请人： Noboru Yamada , Tomohiko Abe , Osamu Miyazawa
发明人： Noboru Yamada , Tomohiko Abe , Osamu Miyazawa
IPC分类号： G11B17/04 , G11B23/033 , G11B23/50
CPC分类号： G11B17/041 , G11B23/0332 , G11B23/505
摘要： A disk cartridge having a cleaning mechanism. The disk cartridge comprises a disk for peripheral storage of computer and a hard shell which is made of plastic and contains the disk.A liner is disposed between a disk and a shell. An opening is provided in one part of shell and a plate is disposed in the opening to press a liner. In order to press the plate, a pressure means such as a spring is provided in a read/write apparatus. As a result, dust is completely removed from the disk.Further, a pressure means for pressing the liner is provided outside of a shell, maintaining the stable pressure of spring for a long time. As a result, disk is improved in reliability.

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