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

Step-4
Step-6


 
Step 5: Simulated Structure
 
Step-5
 
 
Step 5: N-well implant oxidation: 20 min., 750->1000 °C, N2=3 SLM, O2=50 SCCM; 5 min., 1000 °C, dry O2=3 SLM; 8 min., 1000 °C, steam, H2=3 SLM, O2=1.7 SLM; 5 min., 1000 °C, dry O2=3 SLM; 20 min., 1000->750 °C, dry N2=3 SLM.  Target: tox = 1000 Å.
 
Cross-Sectional View
Input Command
$step implant_oxide 
diffusion time=20 temp=750 t.final=1000 f.N2=3 f.O2=0.05  
diffusion time=5 temp=1000 dryO2  
diffusion time=8 temp=1000 f.H2=3 f.O2=1.7  
diffusion time=5 temp=1000 dryO2  
diffusion time=20 temp=1000 t.final=750 inert  
$step extr_tox_impl 
extract oxide thicknes x=4 prefix="tox_imps " suffix="(?) um"  out.file=nwell:0_0.ext  
extract oxide thicknes x=14 prefix="tox_impw " suffix="(0.1) um"  out.file=nwell:0_0.ext