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SFG Transistor

Semi-Floating Gate Memory


The SFGT(Semi-Floating-Gate transistor) memory's gated diode controls charing/discharging of the floating gate, thus to alter the potential of the floating gate in order to change the Vth of the device. The SFGT is a brand new type of semiconductor device after MOSFET and floating-gate MOSFET, it is based on silicon process with no exotic material introduced. It is a promising candidate of next generation of DRAM technology.

Fig1.Semi-Floating Gate Memory Transistor


Semi-Floating Gate CIS


The SFGT(Semi-Floating Gate transistor) image sensor has an integrated photo diode to control the charing/discharging of the floating gate, thus to alter the Vth of the device. The device then can be read by a sensing circuit to retrieve the stored information.

Fig1.Semi-Floating Gate Image Sensor

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