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    Thin Film Forming Sputtering Target, Dielectric Thin Film, Optical Disc and Production Method Therefor
    1.
    发明申请
    Thin Film Forming Sputtering Target, Dielectric Thin Film, Optical Disc and Production Method Therefor 审中-公开
    薄膜形成溅射靶，介电薄膜，光盘及其制造方法

    公开(公告)号：US20080271988A1

    公开(公告)日：2008-11-06

    申请号：US11630984

    申请日：2005-05-18

    申请人： Yasuo Hosoda ,  Takanobu Higuchi ,  Takashi Ueno

    发明人： Yasuo Hosoda ,  Takanobu Higuchi ,  Takashi Ueno

    IPC分类号： C23C14/00

    CPC分类号： G11B7/266 ,  C23C14/3414

    摘要： Diffusion of water or oxygen present in the dielectric protection film is restrained by eliminating free oxygen in an oxide thin film while maintaining the characteristics of a dielectric protection film. As the dielectric material for forming a dielectric protection film for an optical disc or the like, an oxide mixture thin film of a niobium oxide and one of a silicon oxide and a titanium oxide is used. In a preferable example, a target made of a niobium oxide as the main component with 1 to 30% by weight of a silicon oxide added is used for formation of an oxide thin film by sputtering. Moreover, the oxide thin film is formed preferably in a nitrogen atmosphere. A nitrogen containing oxide thin film is produced by carrying out sputtering using a target with the oxygen lacked and a minute amount of nitrogen added. Thereby, a thin film having little reducing function and a high barrier property while having the characteristics comparable to a complete oxide can be produced.

    摘要翻译： 通过在保持电介质保护膜的特性的同时消除氧化物薄膜中的游离氧来抑制介电保护膜中存在的水或氧的扩散。 作为用于形成用于光盘等的介电保护膜的电介质材料，使用氧化铌氧化物和氧化硅和氧化钛之一的氧化物混合物薄膜。 在优选的例子中，使用以氧化硅为1〜30重量％的氧化铌为主要成分的靶，通过溅射形成氧化物薄膜。 此外，优选在氮气气氛中形成氧化物薄膜。 通过使用缺氧的靶和加入微量氮进行溅射来制造含氮氧化物薄膜。 因此，可以制造具有与完全氧化物相当的特性的几乎没有减少功能和高阻隔性的薄膜。

    TRANSFER MOLD FOR MANUFACTURING RECORDING MEDIUM
    6.
    发明申请
    TRANSFER MOLD FOR MANUFACTURING RECORDING MEDIUM 审中-公开
    用于制造记录介质的传送模具

    公开(公告)号：US20100009217A1

    公开(公告)日：2010-01-14

    申请号：US12518420

    申请日：2006-12-13

    申请人： Yasuo Hosoda ,  Osamu Kasono ,  Takahiro Umada

    发明人： Yasuo Hosoda ,  Osamu Kasono ,  Takahiro Umada

    IPC分类号： B29C59/00 ,  G11B5/00

    CPC分类号： G11B5/855 ,  B82Y10/00 ,  G11B5/743 ,  G11B5/82 ,  G11B5/865

    摘要： A transfer mold for manufacturing a recording medium by imprinting, having a transfer surface on which a data area having a data track pattern for a disk-shaped recording medium and a dummy area having a dummy pattern in an outward portion and/or an inward portion of the data area are formed. The dummy pattern includes at least one line of a plurality of dummy protrusions that have a width in a disk radial direction of no less than a track pitch of the data track pattern.

    摘要翻译： 一种用于通过压印制造记录介质的转印模具，其具有转印表面，在该转印表面上具有用于盘形记录介质的数据轨道图案的数据区域和在向外部分和/或向内部分中具有虚设图案的虚拟区域 形成数据区。 虚设图案包括多个虚拟突起的至少一条线，其具有不小于数据轨道图案的轨道间距的盘径向的宽度。

    IMPRINTING DEVICE AND IMPRINTING METHOD
    7.
    发明申请
    IMPRINTING DEVICE AND IMPRINTING METHOD 失效
    印刷装置和印刷方法

    公开(公告)号：US20090026658A1

    公开(公告)日：2009-01-29

    申请号：US12279481

    申请日：2007-02-07

    申请人： Yasuo Hosoda ,  Tetsuya Imai

    发明人： Yasuo Hosoda ,  Tetsuya Imai

    IPC分类号： B29C59/02 ,  B28B3/00

    CPC分类号： B29C59/022 ,  B29C2035/0827 ,  B29C2035/0877 ,  B29C2059/023 ,  B29C2791/006 ,  B82Y10/00 ,  B82Y40/00 ,  G03F7/0002 ,  G11B5/855

    摘要： After a transfer material was hardened in a situation an imprint mold which has a concave part pattern is forced against the liquid transfer material, a replica which has a convex part pattern corresponding to the concave part pattern by releasing the imprint mold. A pressurization mechanism and a vacuum pump are set, regarding depth K of the concave part pattern of the imprint mold, height k of the convex part pattern of the transfer material, effective pressure Mo while the imprint mold is forced, pressure P in the space, with satisfying: Mo/P≧k/(K−k). With this arrangement, even if air comes inside of the concave part pattern of the imprint mold and is stuffed in the inside, it is possible to have transcription with no problem.

    摘要翻译： 在转印材料硬化的情况下，具有凹形图案的压印模具被迫抵靠液体转印材料，通过释放压印模具具有与凹形图案对应的凸形图案的复制品。 设置加压机构和真空泵，关于压印模具的凹部图案的深度K，转印材料的凸部图案的高度k，压印模具被强制时的有效压力Mo，空间中的压力P ，满足：Mo / P> = k /（Kk）。 通过这种布置，即使空气进入压印模具的凹形图案内部并且填充在内部，也可以没有问题地进行转录。

    Information recording medium and process for producing the same
    9.
    发明申请
    Information recording medium and process for producing the same 有权
    信息记录介质及其制造方法

    公开(公告)号：US20050233247A1

    公开(公告)日：2005-10-20

    申请号：US10516244

    申请日：2003-05-23

    申请人： Yasuo Hosoda ,  Ayumi Mitsumori ,  Megumi Sato ,  Masataka Yamaguchi ,  Tomoaki Izumi ,  Satoshi Jinno ,  Yoichi Okumura

    发明人： Yasuo Hosoda ,  Ayumi Mitsumori ,  Megumi Sato ,  Masataka Yamaguchi ,  Tomoaki Izumi ,  Satoshi Jinno ,  Yoichi Okumura

    IPC分类号： G11B7/243 ,  B41M5/26 ,  G11B7/26 ,  G11B7/24

    CPC分类号： G11B7/266 ,  G11B7/243 ,  G11B2007/24306 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24322 ,  Y10S430/146

    摘要： An information recording medium has an excellent jitter characteristic with a considerable difference in reflectance between prior to and subsequent to recording. The information recording medium includes a recording layer which contains a material having a reflectance which varies by irradiation of a light beam, on which information is recorded as reflectance variations, and a substrate for supporting the recording layer, the recording layer including a metal nitride as a major component. In a method of manufacturing the information recording medium having a recording layer which includes a material having a reflectance which varies by irradiation of a light beam, on which information is recorded as reflectance variations, and the substrate for supporting the recording layer, the recording layer including a metal nitride as a major component, the method includes a recording layer forming step for forming the recording layer by a reactive sputtering method which uses a target comprised of a metal constituting a metal nitride, wherein a flow ratio Ar:N2 in an atmosphere including Ar and N2 in the recording layer forming step is set within the range of 80:10 to 10:80.

    摘要翻译： 信息记录介质具有优异的抖动特性，在记录之前和之后具有相当大的反射率差异。 该信息记录介质包括一记录层，该记录层含有具有反射率的材料，其反射率随着光束的照射而变化，信息被记录为反射率变化，以及用于支撑该记录层的基板，该记录层包括一金属氮化物 一个主要组成部分。 在制造具有记录层的信息记录介质的方法中，记录层包括具有通过照射光束而变化的反射率的材料，其上记录信息作为反射率变化，以及用于支撑记录层的基板，记录层 包括金属氮化物作为主要成分，该方法包括用反应溅射法形成记录层的记录层形成步骤，该方法使用由构成金属氮化物的金属组成的靶，其中流动比Ar： 在记录层形成步骤中包括Ar和N 2 的气氛中，将其设定在80:10至10:80的范围内。

    Write once optical recording medium
    10.
    发明授权
    Write once optical recording medium 失效
    写一次光记录介质

    公开(公告)号：US06841218B2

    公开(公告)日：2005-01-11

    申请号：US10436368

    申请日：2003-05-13

    申请人： Yasuo Hosoda ,  Satoshi Jinno ,  Ayumi Mitsumori ,  Hideo Kudo

    发明人： Yasuo Hosoda ,  Satoshi Jinno ,  Ayumi Mitsumori ,  Hideo Kudo

    IPC分类号： B41M5/26 ,  G11B7/0045 ,  G11B7/24 ,  G11B7/243 ,  B32B3/02

    CPC分类号： G11B7/24 ,  G11B7/00454 ,  G11B7/243 ,  G11B7/258 ,  G11B2007/24308 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  Y10T428/21

    摘要： An object of the present invention is to provide a phase-change optical recording medium of an amorphous recording mark type. The optical recording medium is a write once type medium capable of decreasing the degradation of an information signal which has been already recorded. The recording layer of the optical recording medium according to the present invention includes a first recording layer and a second recording layer. The first recording layer comprises a first composition which can be changed into another composition more stable in an amorphous state by combining with a component included in the second recording layer.

    摘要翻译： 本发明的目的是提供一种非晶体记录标记型的相变光学记录介质。 光记录介质是能够减少已经记录的信息信号的劣化的一次写入型介质。 根据本发明的光记录介质的记录层包括第一记录层和第二记录层。 第一记录层包括第一组合物，其可以通过与包含在第二记录层中的组分组合而被改变为在非晶状态下更稳定的另一种组合物。