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    • 34. 发明授权
    • Sputtering target material, silicon-containing film forming method, and photomask blank
    • 溅射靶材料,含硅膜形成方法和光掩模坯料
    • US08647795B2
    • 2014-02-11
    • US13273656
    • 2011-10-14
    • Hideo KanekoYokio InazukiHiroki Yoshikawa
    • Hideo KanekoYokio InazukiHiroki Yoshikawa
    • G03F1/60C23C14/00
    • C23C14/3414C23C14/0036C23C14/0676C23C14/564G03F1/54
    • Provided is a silicon target material in which particles are not easily generated during a sputtering process and to form a low-defect (high quality) silicon-containing film. A silicon target material having a specific resistance of 20 Ω·cm or more at room temperature is used for forming a silicon-containing film. The silicon target material may be polycrystalline or noncrystalline. However, when the silicon target material is single-crystalline, a more stable discharge state can be obtained. Also, a single-crystal silicon in which crystals are grown by an FZ method is a preferable material as a highly-pure silicon target material because its content of oxygen is low. Further, a target material having n-type conductivity and containing donor impurities is preferable to obtain stable discharge characteristics. Only a single or a plurality of silicon target materials according to the present invention may be used for sputtering film formation of the silicon-containing film.
    • 提供了一种硅靶材料,其中在溅射工艺期间不容易产生颗粒并形成低缺陷(高质量)含硅膜。 使用在室温下电阻率为20Ω·cm以上的硅靶材料来形成含硅膜。 硅靶材料可以是多晶的或非晶的。 然而,当硅靶材料是单晶时,可以获得更稳定的放电状态。 此外,由于其含氧量低,因此通过FZ法生长晶体的单晶硅是优选的高纯度硅靶材料。 此外,优选具有n型导电性且含有供体杂质的靶材料,以获得稳定的放电特性。 根据本发明,只有一种或多种硅靶材料可用于溅射含硅膜的成膜。
    • 37. 发明授权
    • Magnetic recording medium
    • 磁记录介质
    • US5720861A
    • 1998-02-24
    • US516046
    • 1995-08-17
    • Hideo KanekoKatsushi TokunagaYoshio Tawara
    • Hideo KanekoKatsushi TokunagaYoshio Tawara
    • G11B5/73G11B5/851C23C14/34
    • G11B5/7315G11B5/851
    • An improvement is proposed in the method for the preparation of a magnetic recording medium comprising a non-magnetic substrate plate of silicon and a magnetic recording layer formed on the substrate surface by the method of bias-sputtering, by which the magnetic recording layer can be imparted with an unexpectedly large coercive force. The improvement can be accomplished by the use of a silicon substrate plate which has a volume resistivity not exceeding 2 ohm-cm at room temperature. The improvement is more remarkable when the contact resistance between the silicon substrate plate and the substrate holder is kept not to exceed 10 kohm during the bias-sputtering for the formation of the magnetic recording layer on the substrate surface.
    • 在通过偏置溅射的方法制备磁记录介质的方法中提出了一种磁记录介质的方法,所述磁记录介质包括硅非磁性基板和形成在基板表面上的磁记录层,通过该方法磁记录层可以 赋予了意想不到的大矫顽力。 可以通过使用在室温下体积电阻率不超过2欧姆 - 厘米的硅衬底板来实现改进。 当在衬底表面上形成磁记录层的偏压溅射期间,当硅衬底板和衬底保持器之间的接触电阻保持不超过10Kohm时,这种改进是更显着的。
    • 39. 发明授权
    • Horizontal continuous casting method
    • 卧式连铸法
    • US4495982A
    • 1985-01-29
    • US441704
    • 1982-11-15
    • Hideo KanekoHatuyoshi KumashiroAkira Iwata
    • Hideo KanekoHatuyoshi KumashiroAkira Iwata
    • B22D11/10B22D11/047B22D11/115B22D11/16
    • B22D11/115B22D11/047
    • A horizontal continuous casting method for continuously feeding a molten metal stored in a tundish through a tundish nozzle located in the vicinity of the tundish at its bottom to a mold horizontally connected to the tundish nozzle to produce a strand, wherein an electromagnetic field generating device is arranged in the vicinity of the boundary between the tundish nozzle and the mold for exerting an electromagnetic force directed toward a center of the molten metal flowing through the vicinity of the boundary or in a strand withdrawing direction, to separate the molten metal from the inner surface of the tundish mozzle anterior to the boundary with respect to the strand withdrawing direction, to allow the molten metal to come into contact with the inner surface of the mold posterior to the boundary with respect to the strand withdrawing direction. Control of the electromagnetic force exerted on the molten metal is effected by the electromagnetic field generating device arranged in the vicinity of the boundary in such a manner that a point at which the molten metal begins to come into contact with the inner surface of the mold coincides with a predetermined point. The electromagnetic force may also be controlled in such a manner that the points at which the molten metal begins to come into contact with the inner surface of the mold are brought to the same position peripherally of the molten metal with respect to the axis thereof.
    • 一种水平连续铸造方法,用于通过位于中间包底部附近的中间包喷嘴将存储在中间包中的熔融金属连续地供给到与中间包喷嘴水平连接的模具以产生绞合线,其中电磁场产生装置是 布置在中间包喷嘴和模具之间的边界附近,用于施加指向流经边界附近或以线材退出方向的熔融金属的中心的电磁力,以将熔融金属与内表面分离 的中间包堰相对于股线退出方向在边界之前,允许熔融金属相对于股线退出方向与边界的后表面接触。 施加在熔融金属上的电磁力的控制是通过布置在边界附近的电磁场产生装置以熔融金属开始与模具内表面接触的点重合的方式实现的 具有预定点。 电磁力也可以以使熔融金属开始与模具的内表面接触的点相对于其熔融金属在熔融金属的周围处于相同位置的方式进行控制。