|
Process characteristics: |
Depth |
|
Etch rate |
0.25 µm/min |
Etch type |
wet isotropic |
Etchant Solutions and their concentrations. |
phosphoric acid/nitric acid/acetic acid |
Mask materials Materials that can be used to mask etching. |
photoresist (G-line), photoresist (I-line) (category) |
Material |
aluminum |
Sides processed |
both |
Temperature |
42 °C |
Wafer size |
|
Equipment |
wet bench I (acid bench) |
Equipment characteristics: |
Batch sizes |
100 mm: 12, 125 mm: 12, 150 mm: 12 |
MOS clean |
no |
Piece dimension Range of wafer piece dimensions the equipment can accept |
2 .. 150 mm |
Piece geometry Geometry of wafer pieces the equipment can accept |
circular, irregular, other, rectangular, triangular shard |
Piece thickness Range of wafer piece thickness the equipment can accept |
200 .. 1000 µm |
Wafer geometry Types of wafers this equipment can accept |
1-flat, 2-flat, no-flat, notched |
Wafer holder Device that holds the wafers during processing. |
teflon boat |
Wafer materials List of wafer materials this tool can accept (not list of all materials, just the wafer itself). |
Pyrex (Corning 7740), quartz (fused silica), silicon, silicon on insulator |
Wafer thickness List or range of wafer thicknesses the tool can accept |
200 .. 1000 µm |