This research provides a micro array bio-probe device, integrated with Thin-Film-Transistor (TFT) amplifier formed of bottom-gate MOS (Metal-Oxide Semiconductor) type thin film transistors, on an active RFID tag to improve the signal-to-noise ratio and im This research provides a micro array bio-probe device, integrated with Thin-Film-Transistor (TFT) amplifier formed of bottom-gate MOS (Metal-Oxide Semiconductor) type thin film transistors, on an active RFID tag to improve the signal-to-noise ratio and im