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A temperature compensation method for logarithmic CMOS vision sensor is presented in this paper. This method is inspired from CMOS Bandgap Voltage Reference technique. The proposed method uses simple circuits located in the column amplifier. As systems using Bandgap technique, our circuits generate VPTAT1 and VPTAT2 voltages to compensate temperature variation of the sensor output signal voltage (Out-AC-Signal...
This paper presents a technique for continuous tuning of the metal-gate work function (??metal) using self-assembled monolayer (SAM) of metallated porphyrins. Porphyrin SAM was prepared on SiO2 followed by Al evaporation to form MOS capacitors (MOSCAPs). The variation in the dipole moment achieved by changing the central metal ion (Zn, Cu, Ni, and Co) in metallated porphyrins has been shown as a way...
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