A Sensing Mode Reconfigurable Analog Front-End IC for Capacitive Touch and a-IGZO TFT-Based Active-Matrix Capacitive Fingerprint Sensors

In this paper, we propose a sensing mode reconfigurable analog front-end (AFE) IC for a capacitive touch sensor (CTS) and amorphous indium-gallium-zinc-oxide (a-IGZO) thin-film transistor (TFT)-based active-matrix capacitive fingerprint sensor (CFS). The CTS consists of the transmit and receive elec...

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Veröffentlicht in:	IEEE sensors journal 2019-12, Vol.19 (23), p.11544-11552
Hauptverfasser:	An, Jae-Sung, Han, Sang-Hyun, Ye, Jae-Hun
Format:	Artikel
Sprache:	eng
Schlagworte:	a-IGZO TFT-based capacitive fingerprint sensor Analog front-end (AFE) IC Capacitance Capacitive sensors capacitive touch sensor CMOS Detection Electrodes Fingerprinting Fingerprints Gallium Indium gallium zinc oxide Integrated circuits Noise levels Pixels Production costs Reconfiguration self- and mutual-capacitance sensing modes Semiconductor devices Sensitivity Thin film transistors Touch
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