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    Optical disc
    3.
    发明授权
    Optical disc 有权
    光盘

    公开(公告)号：US07482049B2

    公开(公告)日：2009-01-27

    申请号：US11333295

    申请日：2006-01-18

    申请人： Akira Nishizawa ,  Tetsuya Kondo ,  Takeo Kojima

    发明人： Akira Nishizawa ,  Tetsuya Kondo ,  Takeo Kojima

    IPC分类号： B32B3/02

    CPC分类号： G11B7/26 ,  G11B7/24038 ,  G11B7/24056 ,  G11B7/243 ,  G11B7/253 ,  G11B7/254 ,  Y10T428/21

    摘要： An optical disc has a support base and at least one information-retrieval layer formed over the support base. The information-retrieval layer is transparent and thinner than the support base. The information-retrieval layer exhibits variation in birefringence within ±20 nmpp (nano meter peak to peak) under double-pass measurements during one rotation of the optical disc.

    摘要翻译： 光盘具有支撑基座和形成在支撑基座上的至少一个信息检索层。 信息检索层比支持基础更透明和更薄。 在光盘的一次旋转期间，信息检索层在双通道测量下，在±20nmpp（纳米峰峰值）内呈现双折射变化。

    INFORMATION RECORDING MEDIUM HAVING SUBSTRATE WITH MICROSCOPIC PATTERN AND REPRODUCING APPARATUS THEREFOR
    7.
    发明申请
    INFORMATION RECORDING MEDIUM HAVING SUBSTRATE WITH MICROSCOPIC PATTERN AND REPRODUCING APPARATUS THEREFOR 审中-公开
    具有显微图案的基板的信息记录介质及其再现装置

    公开(公告)号：US20090103423A1

    公开(公告)日：2009-04-23

    申请号：US12336168

    申请日：2008-12-16

    申请人： Tetsuya Kondo ,  Akira Nishizawa

    发明人： Tetsuya Kondo ,  Akira Nishizawa

    IPC分类号： G11B7/135 ,  G11B7/24

    CPC分类号： G11B27/24 ,  G11B7/007 ,  G11B7/24079 ,  G11B7/24082 ,  G11B7/26 ,  G11B7/261 ,  G11B7/263 ,  G11B11/10578 ,  G11B11/10584 ,  G11B2220/218 ,  G11B2220/2562

    摘要： A recording medium includes a substrate having a microscopic pattern, which includes a shape of continuous substance of approximately parallel grooves formed with a convex shaped section and a concave shaped section alternating on a surface of the substrate. A recording layer is formed on the microscopic pattern and a light transmitting layer has a thickness of 0.05 mm to 0.12 mm formed on the recording layer. The microscopic pattern satisfies a relation of P≦λ/NA, wherein P is a pitch of the convex shaped section, λ is a wavelength of a reproducing light beam and NA is a numerical aperture of an objective lens. The microscopic pattern also includes modulated address information formed on both side walls of the convex shaped section viewed from the light transmitting layer as a wobble, both the side walls being parallel to each other, and furthermore wherein the address information is modulated by the phase-shift keying modulation system. A reproducing apparatus is particularly suited for the recording medium.

    摘要翻译： 记录介质包括具有微观图案的基板，其包括形成有凸形截面的大致平行凹槽的形状和在基板的表面上交替的凹形部分的形状。 在微观图案上形成记录层，在记录层上形成厚度为0.05mm〜0.12mm的透光层。 微观图案满足P <=λ/ NA的关系，其中P是凸形部分的间距，λ是再现光束的波长，NA是物镜的数值孔径。 微观图案还包括形成在从光透射层观察的凸形部分的两个侧壁上的调制地址信息作为摆动，两个侧壁彼此平行，此外，地址信息被相位调制， 移位键控调制系统。 再现装置特别适用于记录介质。

    Information recording medium having parallel grooves with alternating convex-concave sections
    8.
    发明申请
    Information recording medium having parallel grooves with alternating convex-concave sections 有权
    信息记录媒体，具有交替凸凹部分的平行槽

    公开(公告)号：US20050099934A1

    公开(公告)日：2005-05-12

    申请号：US11008405

    申请日：2004-12-10

    申请人： Tetsuya Kondo ,  Akira Nishizawa

    发明人： Tetsuya Kondo ,  Akira Nishizawa

    IPC分类号： G11B7/24 ,  G11B7/007 ,  G11B7/135 ,  G11B7/26 ,  G11B20/14 ,  G11B27/19 ,  G11B27/24 ,  G11B5/09

    CPC分类号： G11B27/24 ,  G11B7/007 ,  G11B7/24079 ,  G11B7/24082 ,  G11B7/26 ,  G11B7/261 ,  G11B7/263 ,  G11B11/10578 ,  G11B11/10584 ,  G11B2220/218 ,  G11B2220/2562

    摘要： A recording medium includes a substrate having a microscopic pattern, which includes a shape of continuous substance of approximately parallel grooves formed with a convex shaped section and a concave shaped section alternating on a surface of the substrate. A recording layer is formed on the microscopic pattern and a light transmitting layer has a thickness of 0.05 mm to 0.12 mm formed on the recording layer. The microscopic pattern satisfies a relation of P≦λ/NA, wherein P is a pitch of the convex shaped section, λ is a wavelength of a reproducing light beam and NA is a numerical aperture of an objective lens. The microscopic pattern also includes modulated address information formed on both side walls of the convex shaped section viewed from the light transmitting layer as a wobble, both the side walls being parallel to each other, and furthermore wherein the address information is modulated by the phase-shift keying modulation system. A reproducing apparatus is particularly suited for the recording medium.

    摘要翻译： 记录介质包括具有微观图案的基板，其包括形成有凸形截面的大致平行凹槽的形状和在基板的表面上交替的凹形部分的形状。 在微观图案上形成记录层，在记录层上形成厚度为0.05mm〜0.12mm的透光层。 微观图案满足P <=λ/ NA的关系，其中P是凸形部分的间距，λ是再现光束的波长，NA是物镜的数值孔径。 微观图案还包括形成在从光透射层观察的凸形部分的两个侧壁上的调制地址信息作为摆动，两个侧壁彼此平行，此外，地址信息被相位调制， 移位键控调制系统。 再现装置特别适用于记录介质。

    Method and apparatus for the fabrication of optical record media such as a digital audio disc
    9.
    发明授权
    Method and apparatus for the fabrication of optical record media such as a digital audio disc 失效
    用于制造诸如数字音频盘的光学记录介质的方法和装置

    公开(公告)号：US5078947A

    公开(公告)日：1992-01-07

    申请号：US414145

    申请日：1989-09-28

    申请人： Akira Nishizawa ,  Tetsuya Kondo

    发明人： Akira Nishizawa ,  Tetsuya Kondo

    IPC分类号： B29C43/18 ,  B29C35/08 ,  B29C43/02 ,  B29C43/36 ,  B29C59/02 ,  B29D17/00 ,  B29K69/00 ,  B29L17/00 ,  G11B7/26

    CPC分类号： B29C43/003 ,  B29C35/0888 ,  B29C43/021 ,  B29C59/02 ,  B29D17/005 ,  G11B7/263 ,  B29C2035/0827 ,  B29C2043/025 ,  B29C2791/006 ,  B29K2909/00 ,  Y10S425/81

    摘要： A novel optodynamic method and apparatus for the manufacture of an optical record medium of the type having a multiplicity of pits or like optically detectable marks representative of digitized information to be reproduced wherein a stamper is provided which is of quartz glass or like material that transmits ultraviolet radiation and which has a stamping surface shaped as a negative of the optically detectable marks to be created, the stamping surface is pressed against a blank sheet of polycarbonate or like plastic that absorbs ultraviolet radiation the surfaces of blank sheet is irradiated with ultraviolet light through the stamper whereby the surface of the blank sheet gels, or softens, to permit the optically detectable marks to be impressed thereon. The stamping may be dome in a partial vacuum in order to assure closer contact between the stamper and the blank sheet.

    摘要翻译： 一种用于制造具有多个凹坑或类似光学可检测标记的类型的光学记录介质的新颖的光动力学方法和装置，其表示要再现的数字化信息，其中设置有传递紫外线的石英玻璃或类似材料的压模 辐射，其具有被形成为要产生的光学可检测标记的负的冲压表面，冲压表面被压在聚碳酸酯或类似塑料的空白片上，吸收紫外线辐射，空白片材的表面通过紫外线照射通过 压模，由此坯料的表面凝胶化或软化，以允许光学可检测标记印在其上。 为了确保压模和坯料之间的更紧密接触，冲压可以在部分真空中成圆顶。

    Information Recording Medium Having Substrate With Microscopic Pattern And Reproducing Apparatus Therefor
    10.
    发明申请
    Information Recording Medium Having Substrate With Microscopic Pattern And Reproducing Apparatus Therefor 失效
    具有基片的信息记录介质，具有微观图案和再现装置

    公开(公告)号：US20080008079A1

    公开(公告)日：2008-01-10

    申请号：US11539955

    申请日：2006-10-10

    申请人： Tetsuya Kondo ,  Akira Nishizawa

    发明人： Tetsuya Kondo ,  Akira Nishizawa

    IPC分类号： G11B7/24

    CPC分类号： G11B27/24 ,  G11B7/007 ,  G11B7/24079 ,  G11B7/24082 ,  G11B7/26 ,  G11B7/261 ,  G11B7/263 ,  G11B11/10578 ,  G11B11/10584 ,  G11B2220/218 ,  G11B2220/2562

    摘要： A recording medium includes a substrate having a microscopic pattern, which includes a shape of continuous substance of approximately parallel grooves formed with a convex shaped section and a concave shaped section alternating on a surface of the substrate. A recording layer is formed on the microscopic pattern and a light transmitting layer has a thickness of 0.05 mm to 0.12 mm formed on the recording layer. The microscopic pattern satisfies a relation of P≦λ/NA, wherein P is a pitch of the convex shaped section, λ is a wavelength of a reproducing light beam and NA is a numerical aperture of an objective lens. The microscopic pattern also includes modulated address information formed on both side walls of the convex shaped section viewed from the light transmitting layer as a wobble, both the side walls being parallel to each other, and furthermore wherein the address information is modulated by the phase-shift keying modulation system. A reproducing apparatus is particularly suited for the recording medium.

    摘要翻译： 记录介质包括具有微观图案的基板，其包括形成有凸形截面的大致平行凹槽的形状和在基板的表面上交替的凹形部分的形状。 在微观图案上形成记录层，在记录层上形成厚度为0.05mm〜0.12mm的透光层。 微观图案满足P <=λ/ NA的关系，其中P是凸形部分的间距，λ是再现光束的波长，NA是物镜的数值孔径。 微观图案还包括形成在从光透射层观察的凸形部分的两个侧壁上的调制地址信息作为摆动，两个侧壁彼此平行，此外，地址信息被相位调制， 移位键控调制系统。 再现装置特别适用于记录介质。