|
Process characteristics: |
Depth Depth of material removed by etch process |
|
Etch rate |
40 nm/min |
Etchant Solutions and their concentrations. |
TMAH |
Mask materials Materials that can be used to mask etching. |
silicon dioxide, photoresist (category) |
Material |
silicon |
Selectivity Primary material removal rate divided by removal rates of secondary materials (i.e., factors by which primary material is removed faster than secondary materials) |
silicon: 1 |
Sides processed |
both |
Temperature |
25 °C |
Wafer size |
|
Equipment |
Wet bech #1 |
Equipment characteristics: |
Batch sizes |
100 mm: 25, 150 mm: 25 |
MOS clean |
yes |
Wafer geometry Types of wafers this equipment can accept |
1-flat, 2-flat, notched, no-flat |
Wafer holder Device that holds the wafers during processing. |
teflon cassette |
Wafer materials List of wafer materials this tool can accept (not list of all materials, just the wafer itself). |
quartz (fused silica), fused silica, silicon, silicon on insulator |
Wafer thickness List or range of wafer thicknesses the tool can accept |
300 .. 1000 µm |
Extra terms |
No materials with Gold contamination will be processed at this fab site. Certain services (for example, oxidation, diffusion, and sputter deposition) will be provided if wafers are virgin, or all pre-processing steps have been performed at this fab site. |