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    • 1. 发明申请
    • CVD REACTOR WITH ENERGY EFFICIENT THERMAL-RADIATION SHIELD
    • 具有能量效率的热辐射屏蔽的CVD反应器
    • US20110126761A1
    • 2011-06-02
    • US12722073
    • 2010-03-11
    • Jong Gyu LEEJong Rock KIMSang Woo LEELyle C. WINTERTON
    • Jong Gyu LEEJong Rock KIMSang Woo LEELyle C. WINTERTON
    • C23C16/00
    • C23C16/24C01B33/035C23C16/4418C23C16/46
    • A Siemens type CVD reactor device is provided. One or more radiation shields are disposed between a rod filament and a cooled wall in the reactor. The radiation shield absorbs radiant heat emanating from the heated polysilicon rod during the CVD process, gets heated above 400° C., re-radiate the absorbed heat toward both of the polysilicon rod and the cooled wall, so as to provide thermal shielding effect to the cooled wall. The net energy loss of the polysilicon rod is reduced as much as the amount of energy emitted toward the polysilicon rod from the radiation shield, such that considerable amount of electrical energy of the CVD reactor is reduced and saved. The energy reduction rate goes up much higher if using multiple layered radiation shields, low shielding emissivity, and low thermal conductivity together. The purity of the manufactured polysilicon can be maintained by using thermal shielding material that is stable in a high temperature such as graphite, silicon carbide-coated graphite, and silicon.
    • 提供了西门子式CVD反应器装置。 一个或多个辐射屏蔽设置在反应器中的棒状细丝和冷却壁之间。 辐射屏蔽在CVD过程中吸收从加热的多晶硅棒发出的辐射热,被加热到400℃以上,将吸收的热量再次辐射到多晶硅棒和冷却壁两者,以便提供热屏蔽效应 冷却的墙壁。 多晶硅棒的净能量损失与从辐射屏蔽向多晶硅棒发射的能量的量减少一样多,使得可以减少并节省大量的CVD反应器的电能。 如果使用多层辐射屏蔽,低屏蔽辐射率和低热导率,能量减少率就会上升得更高。 制造的多晶硅的纯度可以通过使用在高温下稳定的热屏蔽材料来维持,如石墨,碳化硅涂覆的石墨和硅。
    • 3. 发明申请
    • HIGH-SPEED PIPELINED ARIA ENCRYPTION APPARATUS
    • 高速管道加压装置
    • US20100074440A1
    • 2010-03-25
    • US12509347
    • 2009-07-24
    • Sang Woo LEEByung Ho ChungJeong Nyeo Kim
    • Sang Woo LEEByung Ho ChungJeong Nyeo Kim
    • H04L9/30H04L9/14
    • H04L9/0631H04L2209/122H04L2209/125
    • There is provided a high-speed pipelined ARIA encryption apparatus. The high-speed pipelined ARIA encryption apparatus includes a round key generator for generating a plurality of round keys required for performing an encryption operation using a master key formed to have uniform bits, a plurality of round units whose number is in proportion to the number of times of round operations corresponding to the number of bit of an input value to receive the round keys and the input value and to perform the round operations, and a plurality of pipelined register provided between the round units to transmit the output value of a previous round unit as the input value of the next round unit. A plurality of round units are provided and pipelined registers are inserted between the round units so that it is possible to improve the performance of processing a large amount of data and to perform ARIA encryption at high speed.
    • 提供了一种高速流水线ARIA加密装置。 高速流水线ARIA加密装置包括:循环密钥生成器,用于生成使用形成为具有均匀比特的主密钥进行加密操作所需的多个循环密钥;多个圆形单元,其数量与 对应于接收轮回键的输入值的位数和输入值并执行循环操作的圆周运算次数,以及设置在圆形单元之间的多个流水线寄存器,以传送前一轮的输出值 单位作为下一轮单位的输入值。 提供多个圆形单元,并且在圆形单元之间插入流水线寄存器,使得可以提高处理大量数据的性能并高速执行ARIA加密。