"U0 is zero field mobility in the universal mobility formulation, " p C+ s0 d$ r1 wwhen the device operatioing temperature is equal to Tnom" 5 [3 w5 \0 a% O4 x4 X! f(default:=0.067 for NMOS, 0.025 for PMOS).7 N: w N, c& R7 W3 I% b% r9 m# E
簡單來說就是遷移率. h% {/ z. t* I
因為每家fab製程不同(GOX厚度,polyCD大小...),所以有比較大的差別