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    • 91. 发明申请
    • Current mirror circuit
    • 电流镜电路
    • US20050068093A1
    • 2005-03-31
    • US10943239
    • 2004-09-17
    • Akihiro OnoAkira Nakamura
    • Akihiro OnoAkira Nakamura
    • H03F3/343G05F3/02G05F3/26
    • G05F3/262
    • The present invention provides a current mirror circuit of which consistency (ratio) of the input current and output current is more improved. This current mirror circuit comprises input side and output side bi-polar transistors of which bases are commonly connected, an input side MOS transistor of which source is connected to a collector of the input side bi-polar transistor and of which drain and gate are connected to the input terminal, output side MOS transistors of which source is connected to the collectors of the output side bi-polar transistors, of which drain is connected to the output terminals, and of which gate is connected to the gate of the input side MOS transistor, and an MOS transistor for supplying base current of which source is connected to the bases of the input side and output side bi-polar transistors, and of which gate is connected to the gate of the input side MOS transistor.
    • 本发明提供一种电流镜电路,其中输入电流和输出电流的一致性(比率)得到更好的改善。 该电流镜电路包括基极共同连接的输入侧和输出侧双极晶体管,输入侧MOS晶体管的源极连接到输入侧双极晶体管的集电极,漏极和栅极连接 到输入端,其源极的输出侧MOS晶体管连接到输出侧双极晶体管的集电极,漏极连接到输出端,并且其栅极连接到输入侧MOS的栅极 晶体管和用于提供基极电流的MOS晶体管,其源极连接到输入侧和输出侧双极晶体管的基极,并且其栅极连接到输入侧MOS晶体管的栅极。
    • 94. 发明授权
    • Process and apparatus for supplying rare earth metal-based alloy powder
    • 稀土金属基合金粉末的制备方法和装置
    • US06779995B2
    • 2004-08-24
    • US10212091
    • 2002-08-06
    • Seiichi KoharaShuhei OkumuraAkira Nakamura
    • Seiichi KoharaShuhei OkumuraAkira Nakamura
    • B22F302
    • B30B15/304B22F3/004B22F2999/00H01F1/0571H01F1/0577H01F1/06H01F41/0253H01F41/0266B22F2201/10
    • In a rare earth metal-based alloy powder supplying apparatus, a rare earth metal-based alloy powder is supplied from a feeder box having an opening in its bottom surface into a cavity by moving the feeder box to above the cavity. The apparatus includes a bar-shaped member which is moved horizontally and in parallel in the bottom of the feeder box. A plurality of the bar-shaped members may be provided horizontally at distances. The apparatus further includes a powder replenishing device for sequentially replenishing the alloy powder into the feeder box in an amount corresponding to a decrement in amount resulting from the supplying of the alloy powder from the feeder box to the cavity, an inert gas supply device for filling an inert gas into said powder feeder box, and a plate member made of a fluorine-contained resin and mounted on the bottom surface of the feeder box. Thus, an alloy powder extremely poor in fluidity and in agitatability and liable to be inflamed can be supplied into the cavity with an extremely uniform filled density without production of agglomerates and bridges and with no fear of inflammation.
    • 在稀土类金属基合金粉末供给装置中,通过将供料盒移动到空腔的上方,从其底面开口的供料箱向空腔供给稀土类金属系合金粉末。 该装置包括在进料盒的底部水平移动并平行移动的棒状构件。 多个条形构件可以在距离处水平设置。 该装置还包括粉末补给装置,用于将合金粉末顺序地补充到进料箱中,其量相当于从供料盒向腔体供应合金粉末所产生的量减少;惰性气体供应装置,用于填充 将惰性气体输送到所述粉末给料盒中,以及由含氟树脂制成的板件,并安装在所述进料盒的底表面上。 因此,可以以非常均匀的填充密度将流动性和搅拌性极差且容易发炎的合金粉末供给到空腔中,而不产生附聚物和桥梁,并且不用担心发炎。