Oxide Thickness Calculator
Thickness Given Time
Calculate Time Given a Desired Thickness.
Use an interactive Color Chart to predict the color of Silicon Oxide or Silicon Nitride at a particular thickness.
*Constants taken from a chapter written by B. E. Deal in Semiconductor materials and process technology handbook : for very large scale integration (VLSI) and ultra large scale integration (ULSI) / edited by Gary E. McGuire. (pp. 48-57)
*Equation taken from from B.E. Deal and A. S. Grove, "General Relationship for the Thermal Oxidation of Silicon," J. Appl. Phys., 36, 3770 (1965)
List of Thermal Oxide Physical Constants
Property (units) | Value |
Density (g/cm3) | 2.27 |
Dielectric Constant | 3.9 |
DC Resistivity @25°C (Ω-cm) | 1016 |
Energy gap (eV) | ~9 |
Thermal conductivity (W/cm2°C) | 0.014 |
Linear expansion coefficient (ppm/°C) | 0.05 |
Refractive index | 1.46 |
Melting Point (°C) | ~1700 |
Molecular weight | 60.08 |
Molecules/cm3 | 2.3*1022 |
Specific heat (J/g°C) | 1.0 |
Film stress (at 25°C) dynes/cm2 | 2-4 x 1019 |
IR absorption peak (mm) | 9.3 |
Etch rate BHF (49%) nm/min | 100 |