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    • 4. 发明申请
    • PLANARIZING FILM-FORMING COMPOSITION FOR HARD DISK AND HARD DISK PRODUCTION METHOD USING SAME
    • 使用相同的硬盘和硬盘生产方法平面成膜组合物
    • US20130026132A1
    • 2013-01-31
    • US13640923
    • 2011-04-18
    • Taku KatoJunpei KobayashiKeisuke ShutoMasayoshi Suzuki
    • Taku KatoJunpei KobayashiKeisuke ShutoMasayoshi Suzuki
    • C08F120/10C07C69/604C08F120/26G11B5/84
    • G11B5/8404
    • A planarizing film-forming composition for a hard disk that is a non-magnetic filler is sufficiently filled into fine grooves on a magnetic material surface (surface), and is required not to cause contraction in the filled parts at the time of photo-curing (at the time of exposure) and post-exposure baking; and a method for producing a hard disk using the composition. The composition comprising at least one polyfunctional (meth)acrylate compound being in a liquid state at room temperature and atmospheric pressure and having a molecular weight of 300 to 10,000. The compound preferably has 2 to 20 (meth)acrylate groups in the molecule, or the compound preferably has a molecular weight of 300 to 2,300. A method for producing a hard disk comprising: forming a concave-convex shape on the surface; covering the surface having the concave-convex shape with the composition; and etching the covered surface for planarization until the surface is exposed.
    • 作为非磁性填料的硬盘用平坦化膜形成用组合物被充分地填充到磁性材料表面(表面)上的微细凹槽中,并且在光固化时不需要使填充部分收缩 (曝光时)和曝光后烘烤; 以及使用该组合物制造硬盘的方法。 所述组合物包含至少一种多官能(甲基)丙烯酸酯化合物,其在室温和大气压下处于液态,分子量为300至10,000。 该化合物在分子中优选具有2〜20(甲基)丙烯酸酯基,或者该化合物的分子量优选为300〜2300。 一种用于制造硬盘的方法,包括:在表面上形成凹凸形状; 用组合物覆盖具有凹凸形状的表面; 并蚀刻覆盖的表面用于平坦化直到表面暴露。
    • 5. 发明授权
    • Film forming composition for hard disk
    • 用于硬盘的成膜组合物
    • US09217096B2
    • 2015-12-22
    • US13996755
    • 2011-12-21
    • Taku KatoKeisuke ShutoJunpei KobayashiMasayoshi Suzuki
    • Taku KatoKeisuke ShutoJunpei KobayashiMasayoshi Suzuki
    • C09D147/00G11B5/84B44C1/22C08F212/08C08F212/14C08F212/36C09D125/08C09D125/18G11B5/855C09D133/14G11B5/65C08F220/64C08F222/10
    • C09D147/00C08F8/14C08F212/08C08F212/145C08F212/36C08F220/64C08F222/1006C09D125/08C09D125/18C09D133/14G11B5/65G11B5/8408G11B5/855C08F218/12C08F2220/281
    • There is provided a planarizing film-forming composition for a hard disk. A planarizing film-forming composition for a hard disk comprising a hydrophobic coating material having a photopolymerizable group and an aromatic group, containing a polymer or a combination of a polymer and a compound selected from the group consisting of a polymer (A1) including an aromatic group, having a molecular weight of 300 to 5000, and being a liquid at normal temperature under atmospheric pressure, a polymer (A2) including at least two photopolymerizable groups, having a molecular weight of 300 to 5000, and being a liquid at normal temperature under atmospheric pressure, a polymer (A3) including an aromatic group and at least two photopolymerizable groups, having a molecular weight of 300 to 5000, and being a liquid at normal temperature under atmospheric pressure, a compound (a1) including an aromatic group, having a molecular weight of 100 to 1000, and being a liquid at normal temperature under atmospheric pressure, a compound (a2) including at least two photopolymerizable groups, having a molecular weight of 100 to 1000, and being a liquid at normal temperature under atmospheric pressure, and a compound (a3) including an aromatic group and at least two photopolymerizable groups, having a molecular weight of 100 to 1000, and being a liquid at normal temperature under atmospheric pressure.
    • 提供了一种用于硬盘的平面化成膜组合物。 一种用于硬盘的平面化成膜组合物,其包含具有可光聚合基团和芳族基团的疏水涂层材料,其含有聚合物或聚合物与选自包含芳族化合物的聚合物(A1)的化合物的组合) 基团,分子量为300〜5000,在常压下为液体,分子量为300〜5000的聚合物(A2)和至少两个可光聚合的基团,在常温下为液体 在大气压下,包含分子量为300〜5000的芳香族基团和至少两个光聚合性基团的聚合物(A3),在常压下为常温下的液体,包含芳香族基团的化合物(a1) 分子量为100〜1000,在大气压下为常温的液体,含有至少两种可光聚合的化合物(a2) 基团,分子量为100〜1000,在常压下为液体,分子量为100〜1000的芳香族基团和至少两个可光聚合基团的化合物(a3)为 常温常压下的液体。
    • 8. 发明授权
    • Apparatus and method for detecting decrease in tire air pressure and program for detecting decrease in tire air pressure
    • 用于检测轮胎气压降低的装置和方法以及用于检测轮胎气压降低的程序
    • US08387451B2
    • 2013-03-05
    • US13173832
    • 2011-06-30
    • Keisuke Shuto
    • Keisuke Shuto
    • B60C23/02B60C23/00
    • B60C23/061
    • A method for detecting a decrease in tire air pressure based on wheel rotation speed information obtained from tires attached to a four-wheel vehicle. The method includes: a wheel rotation speed information detection step for detecting wheel rotation speed information of the respective tires; a first storage step for storing the wheel rotation speed information; a decreased pressure determination step for determining, based on the wheel rotation speed information, a decrease in tire air pressure; a second storage step for storing a relation between a standard driving torque and a vehicle speed obtained in advance; a decreased pressure determination prohibition step for prohibiting the determination of a decrease in tire air pressure when a vehicle turning radius is lower than a predetermined threshold value determined by the relation, and a decreased pressure determination start step for starting the determination of a decrease in tire air pressure when the turning radius is equal to or higher than the predetermined threshold value.
    • 一种用于根据从四轮车辆附接的轮胎获得的车轮转速信息来检测轮胎气压下降的方法。 该方法包括:车轮转速信息检测步骤,用于检测各轮胎的车轮转速信息; 第一存储步骤,用于存储车轮转速信息; 降低压力确定步骤,用于基于车轮转速信息确定轮胎空气压力的降低; 第二存储步骤,用于存储预先获得的标准驱动转矩和车速之间的关系; 减小的压力判定禁止步骤,用于当车辆转向半径低于由所述关系确定的预定阈值时禁止确定轮胎空气压力的降低,以及用于开始确定轮胎的减少的减小的压力确定开始步骤 当转弯半径等于或高于预定阈值时的空气压力。