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    • 63. 发明授权
    • Magnetic recording medium
    • 磁记录介质
    • US07561360B2
    • 2009-07-14
    • US11581607
    • 2006-10-16
    • Takuya KamimuraKoji MatsumotoTakeshi MorikawaShingo HamaguchiYukio Hirai
    • Takuya KamimuraKoji MatsumotoTakeshi MorikawaShingo HamaguchiYukio Hirai
    • G11B5/09
    • G11B5/64B82Y10/00G11B5/743G11B5/82
    • A magnetic recording medium includes a substrate and a recording layer formed on the substrate. The recording layer is provided with a plurality of information tracks each having a track servo signal region and a user data region. Adjacent information tracks are separated by non-magnetic material. The track servo signal region includes a plurality of magnetic portions arranged in a track-extending direction and non-magnetic portions interposed between the magnetic portions. The user data region includes magnetic portions arranged in the track-extending direction. The coercive force of the magnetic portions in the track servo signal region is different from that of the magnetic portions in the user data region. For instance, the former coercive force is weaker than the latter coercive force.
    • 磁记录介质包括基板和形成在基板上的记录层。 记录层设置有多个信息轨道,每个信息轨道具有轨道伺服信号区域和用户数据区域。 相邻的信息轨道由非磁性材料分开。 轨道伺服信号区域包括沿磁道延伸方向布置的多个磁性部分和介于磁性部分之间的非磁性部分。 用户数据区域包括以轨道延伸方向布置的磁性部分。 轨道伺服信号区域中的磁性部分的矫顽力与用户数据区域中的磁性部分的矫顽力不同。 例如,前者的强制力比后者的强制力弱。
    • 70. 发明申请
    • Method for bleaching teeth and bleaching agent for teeth
    • 用于牙齿漂白牙齿和漂白剂的方法
    • US20060222604A1
    • 2006-10-05
    • US11434871
    • 2006-05-17
    • Shin YamaguchiToshihiro SekiguchiKeisuke IkushimaShoji AkahaneKoyu AokiTakeshi MorikawaTakeshi OhwakiYasunori Taga
    • Shin YamaguchiToshihiro SekiguchiKeisuke IkushimaShoji AkahaneKoyu AokiTakeshi MorikawaTakeshi OhwakiYasunori Taga
    • A61K8/29
    • A61K8/29A61K2800/81A61Q11/00
    • A method for bleaching teeth comprises steps of applying a solution containing nitrogen-deeped titanium oxide powder on a surface of teeth, and irradiating the applied part with light to bleach the teeth based on a photocatalytic action thus produced, and a bleaching agent for teeth suitable for carrying out the method comprises a solution containing nitrogen deeped titanium oxide powder, in which the nitrogen-deeped titanium oxide is preferably a photocatalytic substance having a Ti—O—N structure having a titanium oxide crystalline lattice containing nitrogen and exhibiting a photocatalytic action in a visible light region, the bleaching agent contains preferably 0.01 to 5% by weight of the nitrogen-deeped titanium oxide powder, the nitrogen-deeped titanium oxide powder has a specific surface area of from 10 to 500 m2/g, the solution contains water and/or an alcohol as a solvent, and the bleaching agent further contains preferably 0.5 to 20% by weight of a thickener, 1 to 20% by weight of hydrogen peroxide, and 2 to, 45% by weight of urea peroxide.
    • 漂白牙齿的方法包括以下步骤:将含氮深二氧化钛粉末的溶液涂在牙齿表面上,并根据所产生的光催化作用照射所施用的部分以漂白牙齿,并且适合用于牙齿的漂白剂 用于实施该方法的方法包括含氮深氧化钛粉末的溶液,其中氮 - 深二氧化钛优选是具有Ti-ON结构的光催化物质,其具有含氮的氧化钛晶格并且在可见光中显示出光催化作用 亮区,漂白剂含氮优选为0.01〜5重量%,氮深二氧化钛粉末的比表面积为10〜500μm2 / g,溶液含有水和/或醇作为溶剂,漂白剂还优选含有0.5〜20重量%的增稠剂,1〜2 0重量%的过氧化氢和2〜45重量%的过氧化脲。