Dummy Wafer
Fuleda Technology supplies IC-level dummy wafers and test wafers from many manufacturers in United States, Germany, and Japan.
We have 4, 5, 6, 8, 12-inch high-quality semiconductor silicon wafers in different categories, such as abrasive wafers, polished wafers, oxide wafers, and circuit wafers.
| Item | Specification No.1 | Specification No.2 | Specification No.3 |
| Grade | Reclaim | Cut test/Spacer | Cut test/Spacer |
| Manufacture | SUMCO | SUMCO | SUMCO |
| Size | 12inch(300mm) | 12inch(300mm) | 12inch(300mm) |
| Thickness | 760um up | 775±25um | 700um up |
| Type | P-type | - | - |
| Resistivity | 1-100Ω | - | - |
| Surface Crystal Orientation | 100 | - | - |
| Notch Orientation | 110 | - | - |
| L/M | SEMI T7M12 | SEMI T7M12 | SEMI Backside 1 point or nothing |
| Surface | DSP | DSP | DSP |
| Surface Appearance | No Scrastche and Dirt | ①No Scrastche and Dirt | ①No Scrastche and Dirt |
| ②On both side,about 3 scratches,about 5cm.No Dirt | ②On both side,about 3 scratches,about 5cm.No Dirt |
