Advanced electrical tool for precise silicon oxidation layer thickness estimation.
Thermal oxidation growth on silicon substrates follows the Deal-Grove model, represented mathematically as:
$$X_o^2 + A X_o = B(t + \tau)$$Where $X_o$ is the oxide thickness, $A$ and $B$ are rate constants dependent on temperature and ambient conditions, $t$ is time, and $\tau$ accounts for initial oxide thickness.
Select your oxidation type, input processing parameters such as temperature and time, define physical properties like crystal orientation, and click calculate to view the output thickness.
Thermal oxidation is a core technique in microfabrication utilized to grow high-quality silicon dioxide layers on silicon wafers. These oxide layers serve as critical components for gate dielectrics, surface passivation, and electrical isolation in semiconductor devices. Process engineers must carefully control furnace temperatures, ambient gas compositions, and timing to achieve target dimensions.
Advanced parameters such as crystal orientation and substrate doping heavily influence oxidation kinetics. For instance, wafers oriented along the <111> direction typically exhibit faster growth rates compared to <100> substrates due to higher atomic density at the surface. Similarly, heavy impurity doping can alter the reaction mechanics, requiring precise adjustments.
What is the difference between dry and wet oxidation? Dry oxidation uses pure oxygen and yields slower growth with superior electrical characteristics, whereas wet oxidation uses water vapor for much faster growth rates.
Why is crystal orientation important? Crystal orientation affects the bond arrangement on the silicon surface, directly altering the linear oxidation rate constant.
Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.