Ellipsometric Film Thickness Measurement |
|
Film thickness |
0.01 .. 2 µm |
Materials |
silicon nitride on silicon, silicon dioxide on silicon |
Refractive index |
1 .. 4 |
Wafer size |
|
Equipment |
Rudolph ellipsometer |
Equipment characteristics: |
Batch sizes |
100 .. 150 mm: 1 |
MOS clean |
yes |
Wafer geometry Types of wafers this equipment can accept |
1-flat, 2-flat, notched, no-flat |
Wafer materials List of wafer materials this tool can accept (not list of all materials, just the wafer itself). |
silicon on insulator, silicon |
Wafer thickness List or range of wafer thicknesses the tool can accept |
300 .. 900 µm |