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Neural networks are computing models based on human brains. We propose a neural network using a field-programmable gate array (FPGA) for neurons and amorphous In-Ga-Zn-O (a-IGZO) thin films for synapses. It is found that electric current in the a-IGZO thin film gradually decreases along the time. On the other hand, the degradation does not occur when light is irradiated. These phenomena can be utilized...
We have developed a frequency modulation-type capacitance sensor using amorphous In-Ga-Zn-O (α-IGZO) thin-film transistors (TFTs) for integrated touchpanels. This capacitance sensor consists of a ring oscillator, whose one stage is replaced by a reset transistor, sensing transistor, and sensing electrode. The sensing electrode becomes one terminal when the other terminal is added by finger to form...
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