

Potential drop across the oxide and depletion region.Positive charge on gate terminates on negative charges in depletion region.− − − − − − − − − Body (p-type substrate) − − − − − − − − Depletion: VFB

Sandwich of conductors separated by an insulator.Gate (n+ poly) Body (p-type substrate) MOS Capacitor I-V Curve University of California, Berkeley.
