Animation of the MOSFET manufacturing process I encourage you to look at the website given below and use the button “animate to next” – the actual process.

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Presentation transcript:

Animation of the MOSFET manufacturing process I encourage you to look at the website given below and use the button “animate to next” – the actual process is described for each step. NMOS/nmos.html

Basic structure of the MOSFET

Basic idea of the MOSFET --

MOS capacitor p type semiconductor voltage bias effects –battery switched G V E

G V MOSFET p type semiconductor gate voltage V G > V T

NMOS -- p type semiconductor -- gate voltage V G variable - circuit models G V

PMOS -- n type semiconductor -- gate voltage V G variable - circuit models G V

NMOS & PMOS NMOS – n channel in a p-type semiconductor PMOS – p channel in an n-type semiconductor -+

NMOS -- p type semiconductor -- gate voltage V GS < V T G V -

NMOS -- p type semiconductor -- gate voltage V GS > V T G V --

Derivation of the conductance G V

NMOS -- p type semiconductor -- gate voltage V GS > V T – long channel G V

NMOS -- p type semiconductor – V GS > V T & changing V DS G V

Typical characteristics

Biasing effects N channel MOSFET

Simple three-dimensional unit cell