1T Pixel Using Floating-Body MOSFET for CMOS Image Sensors

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Provided by: MDPI AG
Topic: Hardware
Format: PDF
The authors present a single-transistor pixel for CMOS Image Sensors (CISs). It is a floating-body MOSFET structure, which is used as photo-sensing device and source follower transistor, and can be controlled to store and evacuate charges. Their investigation into this 1T pixel structure includes modeling to obtain analytical description of conversion gain. Model validation has been done by comparing theoretical predictions and experimental results. On the other hand, the 1T pixel structure has been implemented in different configurations, including rectangular-gate and ring-gate designs and variations of oxidation parameters for the fabrication process.
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