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    • 75. 发明授权
    • Single-crystal manufacturing apparatus and method for manufacturing single crystal
    • 单晶制造装置及单晶制造方法
    • US08741059B2
    • 2014-06-03
    • US12866402
    • 2009-02-17
    • Takao Abe
    • Takao Abe
    • C30B15/02
    • C30B15/14
    • According to the present invention, there is provided a single-crystal manufacturing apparatus based on Czochralski method, comprising at least: a main chamber configured to accommodate hot zone components including a crucible; and a pull chamber configured to accommodate and take out a single crystal pulled from a raw material melt contained in the crucible, wherein the apparatus further comprises: a cooling pipe which is arranged above the crucible and in which a cooling medium is circulated; and a moving mechanism that moves up and down the cooling pipe, and the hot zone components are cooled down by utilizing the moving mechanism to move down the cooling pipe toward the crucible after growth of the single crystal, and a method for manufacturing a single crystal is also provided. As a result, there can be provided the single crystal manufacturing apparatus and the method for manufacturing a single crystal that enable cooling the hot zone components in the main chamber in a short time after pulling a single crystal having a large diameter, e.g., approximately 200 mm or above.
    • 根据本发明,提供了一种基于切克劳斯基法的单晶制造装置,至少包括:主室,其构造成容纳包括坩埚的热区成分; 以及拉制室,其构造成容纳和取出从坩埚中包含的原料熔体拉出的单晶,其中,所述装置还包括:冷却管,其布置在所述坩埚上方,并且冷却介质中循环; 以及移动机构,其使冷却管上下移动,并且通过利用移动机构将热区部件冷却,从而在单晶生长之后朝着坩埚向下移动,并且制造单晶的方法 也提供。 结果,可以提供单晶制造装置和单晶的制造方法,其能够在拉动具有大直径的单晶(例如约200)之后在短时间内冷却主室中的热区组分 mm以上。
    • 77. 发明授权
    • Medium storage device and medium rotation synchronization processing method for medium storage device
    • 中型存储设备和介质存储设备的中等旋转同步处理方法
    • US07522363B2
    • 2009-04-21
    • US11182481
    • 2005-07-15
    • Takao AbeShigenori Yanagi
    • Takao AbeShigenori Yanagi
    • G11B5/09
    • G11B5/59616G11B20/1816
    • A medium storage device writes or read data on a storage medium synchronizing the rotation of the storage medium with the DSW method for decreasing the gap length considering the rotation jitter. The medium storage device has a controller for generating synchronization timing signals during reading/writing from a clock, and a processing unit for calculating the correction value of the frequency from the measurement result of the servo synchronization mark space of the storage medium. The processing unit judges whether the servo synchronization mark has been correctly detected and calculates the frequency correction value. Therefore changing the synchronization timing using the SSM interval detected in error can be prevented, and the danger of data corruption can be avoided.
    • 介质存储设备将存储介质上的数据写入或读取存储介质的旋转,同时使用DSW方法,以考虑旋转抖动来减小间隙长度。 介质存储装置具有用于在从时钟读取/写入期间产生同步定时信号的控制器,以及用于根据存储介质的伺服同步标记空间的测量结果计算频率校正值的处理单元。 处理单元判断伺服同步标记是否被正确检测,并计算频率校正值。 因此,可以防止使用错误检测到的SSM间隔来改变同步定时,并且可以避免数据损坏的危险。