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    • 28. 发明授权
    • Semiconductor device and method for driving the same
    • 半导体装置及其驱动方法
    • US08575610B2
    • 2013-11-05
    • US13213673
    • 2011-08-19
    • Kazunori WatanabeMakoto Yanagisawa
    • Kazunori WatanabeMakoto Yanagisawa
    • H01L33/00
    • H01L29/7869H01L29/42384H01L29/78645H01L29/78696H03K2017/6878
    • An object is to alleviate the concentration of an electric field in a semiconductor device. A gate electrode and a drain electrode are provided not to overlap with each other, and an electric-field control electrode is provided between the gate electrode and the drain electrode over a top surface. Insulating layers are provided between the gate electrode and a semiconductor layer and between the electric-field control electrode and the semiconductor layer, and the insulating layer provided between the electric-field control electrode and the semiconductor layer has a larger thickness than the insulating layer provided between the gate electrode and the semiconductor layer. Further, when the semiconductor device is driven, the potential of the electric-field control electrode may be higher than or equal to a source potential and lower than a gate potential, and for example, connection between the electric-field control electrode and the source potential enables such a structure.
    • 目的是减轻半导体器件中的电场的集中。 栅极电极和漏极电极被设置为不彼此重叠,并且电场控制电极在顶表面上设置在栅电极和漏电极之间。 绝缘层设置在栅电极和半导体层之间以及电场控制电极和半导体层之间,并且设置在电场控制电极和半导体层之间的绝缘层具有比所提供的绝缘层更大的厚度 在栅电极和半导体层之间。 此外,当半导体器件被驱动时,电场控制电极的电位可以高于或等于源极电位并且低于栅极电位,并且例如电场控制电极和源极之间的连接 潜力可以实现这样的结构。
    • 29. 发明授权
    • Hybrid-type construction machine
    • 混合式施工机
    • US08479848B2
    • 2013-07-09
    • US13354432
    • 2012-01-20
    • Makoto Yanagisawa
    • Makoto Yanagisawa
    • B60W10/08B60W10/24
    • E02F9/2075B60L11/005B60L11/123E02F9/2091H02J7/045Y02T10/6217Y02T10/7005Y02T10/7022Y02T10/7077
    • A disclosed hybrid-type construction machine includes a generator part configured to generate electric energy by the driving force of an engine; an inverter configured to control the generator part; an electric power accumulator configured to accumulate the electric energy generated by the generator part; a DC bus located between the generator part and the electric power accumulator; and a converter configured to control a voltage of the DC bus, wherein when the electric power accumulator having approximately zero electric energy is charged the inverter of the generator part is not controlled, and a reference value of a voltage command for the DC bus to charge the electric power accumulator is set to be smaller than an induced voltage of the generator part.
    • 所公开的混合式施工机械包括:发动机部件,被配置为通过发动机的驱动力产生电能; 配置成控制发电机部的逆变器; 蓄电器,其构造成蓄积由所述发电机部产生的电能; 位于发电机部分和蓄电池之间的直流母线; 以及转换器,被配置为控制所述DC总线的电压,其中当对具有近似零电能的所述蓄电器进行充电时,所述发电机部件的逆变器不被控制,并且所述DC总线的电压指令的基准值被充电 电力蓄能器被设定为小于发电机部件的感应电压。