E425: Engineering Design V
 
TCAD: Process and Device Simulation
 
X. ZHOU
© 1997

Step-27
Step-29


 
Step 28: Simulated Structure
 
Step-28
 
 
Step 28: N+ anneal: 20 min., 750->950 °C, N2=3 SLM; 60 min., 950 °C, dry N2=3 SLM; 20 min., 950->750 °C, dry N2=3 SLM. Target: xj = 0.35 µm.
 
Cross-Sectional View
Input Command
$step N+ s/d_anneal 
diffusion time=20 temp=750 t.final=950 inert  
diffusion time=60 temp=950 inert  
diffusion time=20 temp=950 t.final=750 inert  
$step extr_Npeak 
select z=arsenic  
extract silicon val.extr x=4 maximum prefix="Amax_nsd " suffix=" cm**-3"  out.file=nsd_impl:0_0.ext  
$step extr_Nsurf 
select z=arsenic  
extract silicon val.extr x=4 distance=0 prefix="Asur_nsd " suffix=" cm**-3"  out.file=nsd_impl:0_0.ext  
$step extr_xj_nsd 
select z=doping  
extract silicon d.extr x=4 value=0 prefix="xj_nsd " suffix="(0.35) um"  out.file=nsd_impl:0_0.ext