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    • 4. 发明授权
    • Voltage-controlled type semiconductor switching device
    • 电压控制型半导体开关器件
    • US4636824A
    • 1987-01-13
    • US850065
    • 1986-04-07
    • Toshiaki IkomaHajime MaedaHisayoshi YanaiRyo DangNaoyuki Shigyo
    • Toshiaki IkomaHajime MaedaHisayoshi YanaiRyo DangNaoyuki Shigyo
    • H01L29/74H01L29/78
    • H01L29/78H01L29/74
    • A voltage-control type semiconductor switching device is disclosed which includes a pair of controlled electrodes to which a control voltage signal is supplied, and a semiconductive layer formed between the electrodes so as electrically insulative from the electrodes through insulative layers. The semiconductive layer has a channel region and a carrier-storage region which is substantially nonconductive. The channel region is formed laterally along the longitudinal direction of the electrodes, thereby allowing majority carriers such as electrons of the semiconductive layer to flow in the lateral direction. In the current cut-off mode, the carrier-storage region temporarily stores the carriers which move in the direction of thickness of the semiconductive layer due to the electric field created by the voltage. In the current conduction mode, the carrier-storage region releases the carriers stored therein toward the channel region.
    • 公开了一种电压控制型半导体开关器件,其包括一对受控电极,控制电压信号被提供给该电压控制电极,以及形成在电极之间的半导体层,以便通过绝缘层与电极电绝缘。 半导体层具有基本不导电的沟道区和载流子存储区。 通道区域沿着电极的纵向横向地形成,从而允许多数载流子例如半导体层的电子沿横向流动。 在当前截止模式中,载流子存储区域暂时存储由于由电压产生的电场而在半导体层的厚度方向上移动的载流子。 在电流导通模式中,载流子存储区域释放其中存储的载流子朝向沟道区域。