Specific Process Knowledge/Wafer Information
Wafer Information
DTU Danchip has a stock of silicon and glass wafers; the most used of these wafers are located on the wafershelves in cleanroom 2. Whenever you take a wafer from stock, you should buy the wafer from the wafer shop in LabManager. The Price can also be found in the wafer shop.
The waferbox name consists typically of a few letters and a number, eg OP337, according to the code below:
| Origin of waferbox names | ||
| O | P | 337 |
|---|---|---|
| Indicates the company where the wafers are bought | Type of doping in the wafer | shipment number |
Wafers available at DTU Danchip
| Wafers available at DTU Danchip | |||||
| Shelf | Size | Type | Thickness | Resistivity | |
|---|---|---|---|---|---|
| SSP (single side polished) | bottom | 4" | N+P | 525 µm | 1-20 Ωcm |
| SSP (single side polished) | top | 6" | N or P | 625 µm | 1-20 Ωcm |
| DSP (double side polished) | middle | 4" | N+P | 350 µm | 1-20 Ωcm |
| wafers with different layers | top | 4" and 6" | |||
| Boron glasswafers | middle | 4" | 1 mm | ||
Wafer boxes and single wafer carriers
New clean wafer boxes and single wafer carriers can be found in the changing area. Ask DTU Danchip personnel for help if stock is low.