Window thickness: X_w (10⁻⁶ m)

Layer emitter:

X_p (10⁻⁶ m)

Base thickness: X_n (10⁻⁶ m)

Emitter doping: N_A (cm⁻³)

Base doping:

N_D (cm⁻³)

0.035

0.44

3.1

1.210¹⁸

6.710¹⁶