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    • 2. 发明授权
    • Optical recording medium and method for forming same
    • 光记录介质及其形成方法
    • US5645909A
    • 1997-07-08
    • US544938
    • 1995-10-18
    • Hideo KobayashiOsamu UenoHironori Gotoh
    • Hideo KobayashiOsamu UenoHironori Gotoh
    • G11B7/007G11B7/24G11B7/26B32B3/00
    • G11B7/00718G11B7/24G11B7/26G11B7/24079Y10S428/913Y10S430/146Y10T428/21
    • An optical recording medium for a land & groove recording method capable of suppressing crosstalk and cross-erase (increase of jitter) upon increasing the capacity by the increase of track density, wherein a depth for a groove is made greater than 60 nm, at least one of a protection layer, a recording layer and an interference layer is formed to a layer thickness different between the groove and the land, such that reflectance to an optical beam upon irradiation of the optical beam to a predetermined track comprising the land or the groove is equal with each other between a portion in a recorded state and a portion in a unrecorded state of an adjacent track adjacent with the predetermined track, and a land wall for one of the protection layer, the recording layer and the interference layer is made thinner than the thickness of the groove and the land or removed.
    • 一种用于陆地和凹槽记录方法的光学记录介质,其能够通过增加轨道密度来增加容量,从而抑制串扰和交叉擦除(抖动增加),其中凹槽的深度至少大于60nm 保护层,记录层和干涉层之一被形成为在凹槽和焊盘之间不同的层厚度,使得在将光束照射到包括焊盘或槽的预定轨道时对光束的反射率 在记录状态的一部分与与预定轨道相邻的相邻轨道的未记录状态的部分之间彼此相等,并且使保护层,记录层和干涉层之一的接地壁变薄 比沟槽和土地的厚度还要去掉。
    • 4. 发明授权
    • Phase change optical recording device and method employing a laser beam
with differently energized pulse portions
    • 相变光学记录装置和采用具有不同激励脉冲部分的激光束的方法
    • US5367514A
    • 1994-11-22
    • US981339
    • 1992-11-25
    • Hideo KobayashiOsamu UenoDaisuke Iguchi
    • Hideo KobayashiOsamu UenoDaisuke Iguchi
    • G11B7/125G11B7/24
    • G11B7/126Y10S430/146
    • Disclosed is an optical recording device of a phase change type including at least an optical recording medium having a recording layer formed of a recording material of a phase change type, and a control unit for controlling a unit laser beam, which is to be radiated for writing information onto the optical recording medium to form a recording mark, in such a manner that, when the unit laser beam is divided into front and rear portions with the middle point of the radiated portion of the recording medium as the boundary, the quantity of energy of the rear portion of the unit laser beam is greater than that of the front portion thereof. Also, in the optical recording device, when a recording mark is formed according to a multi-pulse recording system using a multi-pulse laser beam, the multi-pulse laser beam, at least the first pulse thereof is controlled so as to satisfy a similar condition as described above and after then the controlled multi-pulse laser beam or the controlled first pulse thereof is radiated.
    • 公开了一种相变型的光记录装置,该光记录装置至少包括具有由相变型记录材料形成的记录层的光记录介质和用于控制要被辐射的单位激光束的控制单元 将信息写入光记录介质以形成记录标记,使得当单位激光束被分成具有记录介质的辐射部分的中点作为边界的前后部分时, 单位激光束的后部的能量大于其前部的能量。 此外,在光记录装置中,当根据使用多脉冲激光束的多脉冲记录系统形成记录标记时,多脉冲激光束至少控制其第一脉冲以满足 类似的条件如上所述,然后照射受控多脉冲激光束或受控的第一脉冲。
    • 5. 发明授权
    • Optical recording medium and optical recording method using the same
    • 光记录介质及使用其的光记录方法
    • US5341358A
    • 1994-08-23
    • US757058
    • 1991-09-09
    • Hideo KobayashiOsamu UenoKiichi Ueyanagi
    • Hideo KobayashiOsamu UenoKiichi Ueyanagi
    • B41M5/26G11B7/00G11B7/0045G11B7/0055G11B7/006G11B7/24G11B7/243
    • G11B7/006G11B7/00557
    • An optical recording medium having a layer of recording material provided on a substrate, the material having an optical property which is changed reversibly by means of light or heat, so that writing/reproducing or writing/reproducing/erasing of information is performed by using the reversible change of the optical property of the recording material layer. The recording material is composed of a plurality of elements and is capable of taking, as a melt state thereof, a selected one of a single phase state and a two-phase coexistent state. An optical recording method for performing writing/reproducing/erasing of information uses a reversible change of an optical property of the recording material layer by irradiating the recording material layer with a high-power light beam so as to melt it into a single phase state and then cooling the recording material layer so as to form a phase-changed portion corresponding to a recording state or an erasing state. The recording material layer is irradiated with a low-power light beam so as to be melted into a two-phase coexistence state and then cooled so as to form a phase-changed portion corresponding to an erasing state or a recording state.
    • 一种具有设置在基板上的记录材料层的光学记录介质,该材料具有通过光或热可逆地改变的光学特性,从而通过使用信息的写入/再现或写入/再现/擦除来执行信息的写/ 记录材料层的光学特性的可逆变化。 记录材料由多个元件组成,并且能够将熔融状态作为单相状态和两相共存状态中的一个选择。 用于执行信息的写入/再现/擦除的光学记录方法使用通过用高功率光束照射记录材料层来使记录材料层的光学特性的可逆变化,从而将其熔化成单相状态, 然后冷却记录材料层,以形成对应于记录状态或擦除状态的相变部分。 用低功率光束照射记录材料层,使其熔化成两相共存状态,然后冷却,形成与擦除状态或记录状态对应的相变部。
    • 8. 发明授权
    • Electronic apparatus
    • 电子仪器
    • US07796848B2
    • 2010-09-14
    • US11589473
    • 2006-10-30
    • Osamu UenoMasao FunadaTsutomu HamadaJunji OkadaTakehiro Niitsu
    • Osamu UenoMasao FunadaTsutomu HamadaJunji OkadaTakehiro Niitsu
    • G02B6/26
    • G02B6/3604G02B6/32G06F1/1616G06F1/1681G06F1/1683
    • An electronic apparatus includes: a first frame and a second frame that are relatively movable; a frame boundary portion that is provided between the first frame and the second frame; a light emitting portion that is provided on the first frame and transmits an optical signal; a light receiving portion that is provided on the second frame and receives the optical signal; and an optical transmission medium that transmits the optical signal between the frame boundary portion and at least one of the light emitting portion and the light receiving portion, wherein an optical transmission between the light emitting portion and the light receiving portion via the optical transmission medium is effected at the frame boundary portion by a spatial optical transmission.
    • 电子设备包括:第一框架和第二框架,其可相对移动; 设置在所述第一框架和所述第二框架之间的框架边界部分; 发光部分,其设置在所述第一帧上并发送光信号; 光接收部分,设置在第二帧上并接收光信号; 以及光传输介质,其在所述框架边界部分与所述发光部分和所述光接收部分中的至少一个之间传输所述光信号,其中,所述光发射部分和所述光接收部分之间经由所述光传输介质的光传输是 通过空间光传输在帧边界部分进行。