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    • 86. 发明授权
    • Hearing aid
    • 助听器
    • US07262992B2
    • 2007-08-28
    • US10844525
    • 2004-05-13
    • Akihide ShibataTakayuki OguraHiroshi Iwata
    • Akihide ShibataTakayuki OguraHiroshi Iwata
    • G11C11/34G11C7/00
    • H04R25/505H04R2225/41
    • A hearing aid comprising a data memory includes a plurality of semiconductor memory cells. The semiconductor memory cell has a gate insulating film formed on a semiconductor substrate, on a well region provided in the semiconductor substrate, or on a semiconductor film deposited on an insulator; a single gate electrode formed on the gate insulating film; two memory functional units formed on both sidewalls of the single gate electrode; a channel formation region formed under the single gate electrode; and first diffusion regions disposed on both sides of the channel formation region. The semiconductor memory cell is constituted so as to change an amount of currents flowing from one of the first diffusion regions to the other first diffusion region according to an amount of charges retained in the memory functional unit or a polarization vector when a voltage is applied to the gate electrode.
    • 包括数据存储器的助听器包括多个半导体存储单元。 半导体存储单元具有形成在半导体衬底上的阱绝缘膜,设置在半导体衬底中的阱区或沉积在绝缘体上的半导体膜; 形成在栅极绝缘膜上的单个栅电极; 形成在单个栅电极的两个侧壁上的两个存储功能单元; 形成在单个栅电极下面的沟道形成区域; 以及设置在通道形成区域两侧的第一扩散区域。 半导体存储单元被构成为根据保存在存储功能单元中的电荷量或者施加电压时的极化矢量来改变从第一扩散区域之一流向另一个第一扩散区域的电流量 栅电极。