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    • 1. 发明授权
    • Input/output control method and data processor
    • 输入/输出控制方法和数据处理器
    • US5678062A
    • 1997-10-14
    • US199889
    • 1994-02-22
    • Tetsuhiko OkadaHideki MurayamaTakehisa HayashiAtsushi UgajinYasuhiro IshiiMasahiro Kitano
    • Tetsuhiko OkadaHideki MurayamaTakehisa HayashiAtsushi UgajinYasuhiro IshiiMasahiro Kitano
    • G06F13/12G06F13/28G06F13/00
    • G06F13/28
    • A system for controlling the DMA transfer for a plurality of IO devices has an IO controller for each group of the IO devices. Data is retrieved from memory and stored in the IO controller where it is analyzed. The retrieved data has a structure that permits a group of DMA start request quads to be linked together for parallel or pipeline processing of the DMA transfer requests. Each start request quad has a pointer for additionally retrieving corresponding command data. The command data is set forth in a number of blocks, each linked to the next one by a pointer. When a DMA processing has been completed, the termination or completion status is entered into a specific entry in a completion list for the corresponding IO device. Thus, a determination can be made as to whether specific IO devices have completed a requested DMA processing. Expansion of the system is accomplished by using combinations of main and sub controllers, where one main controller provides the aforementioned data structures for many sub controllers in order to enable the DMA processing to be performed for IO devices connected to the sub controllers with less frequent access of system main memory and the system bus.
    • 用于控制多个IO设备的DMA传输的系统具有用于每组IO设备的IO控制器。 数据从存储器检索并存储在IO控制器中进行分析。 检索的数据具有允许一组DMA启动请求四元组链接在一起以用于DMA传送请求的并行或流水线处理的结构。 每个启动请求四元组都有一个指针,用于附加地检索相应的命令数据。 命令数据在多个块中设置,每个块通过指针链接到下一个块。 当DMA处理完成时,终止或完成状态将被输入到对应的IO设备的完成列表中的特定条目中。 因此,可以确定特定的IO设备是否已经完成了所请求的DMA处理。 通过使用主控制器和副控制器的组合来实现系统的扩展,其中一个主控制器为许多子控制器提供上述数据结构,以便能够对连接到具有较少频率访问的子控制器的IO设备执行DMA处理 的系统主存和系统总线。
    • 10. 发明授权
    • Method of measuring orientation flat width of single crystal ingot
    • 测量单晶锭取向平面宽度的方法
    • US5402239A
    • 1995-03-28
    • US203570
    • 1994-03-01
    • Yasuhiro IshiiYoshihiro Hirano
    • Yasuhiro IshiiYoshihiro Hirano
    • G01B11/00G01B11/02G01B21/02H01L21/66C01B5/02
    • G01B11/00G01B11/02
    • Disclosed is a method of measuring the OF width of a cylindrical single crystal ingot using an optical non-contact type displacement measuring device. This method can avoid the labor and measurement errors as generally seen in the conventional manual method and provide an easy and precise measurement. Further, the method can be automated if necessary. This method comprises the steps of detecting the boundary points between the OF and the round surface of the single crystal ingot from the displacement to be obtained by scanning the sensor while detecting the distance between the sensor and the ingot surface including the OF, and calculating the OF width C from the scanning distance A of the sensor from the first boundary point detection position to the second boundary point detection position and the difference B between the first distance 1.sub.1 from the first boundary point to the sensor and the second distance 1.sub.2 from the sensor to the second boundary point.
    • 公开了使用光学非接触型位移测量装置测量圆柱形单晶锭的OF宽度的方法。 这种方法可以避免常规手动方法中普遍看到的劳动和测量误差,并提供简单而精确的测量。 此外,如果需要,该方法可以自动化。 该方法包括以下步骤:通过扫描传感器同时检测包括OF的传感器和锭块表面之间的距离,从单位晶圆的圆周面到边界点之间的边界点,从而计算出 OF宽度C从传感器的扫描距离A从第一边界点检测位置到第二边界点检测位置,以及从第一边界点到传感器的第一距离11与传感器的第二距离12之间的差B 到第二个边界点。