4" 4inch 6" 6inch 4H
N type P type SiC EPI wafers

| 
 Product Name 
 | 
 SiC / SiC Wafer 
 | 
 Unit 
 | 
|
| 
 Diameter 
 | 
 50.8 ~ 150 
 | 
 mm 
 | 
|
| 
 Conductivity 
 | 
 N - Type 
 | 
 P -Type 
 | 
 | 
| 
 Dopant 
 | 
 Nitrogen 
 | 
 Aluminum 
 | 
 | 
| 
 Carrier Concentration 
 | 
 9 x 1014 ~ 1 x 1019 
 | 
 9 x 1014 ~ 1 x 1019 
 | 
 cm-3 
 | 
| 
 Tolerance 
 | 
 ± 15 
 | 
 ± 50 
 | 
 % 
 | 
| 
 Uniformity 
 | 
 ≤ 10 
 | 
 ≤ 20 
 | 
 % 
 | 
| 
 Thickness* 
 | 
 0.2 ~ 50 
 | 
 µm 
 | 
|
| 
 Tolerance 
 | 
 ± 10 
 | 
 % 
 | 
|
| 
 Uniformity 
 | 
 ≤ 10 
 | 
 % 
 | 
|
| 
 Defects 
 | 
 < 1 
 | 
 cm-2 
 | 
|
| 
 Roughness (20µmX20µm) 
 | 
 ≤ 0.5 
 | 
 nm 
 | 
|
| 
 Scratches 
 | 
 <1 x wafer diameter 
 | 
 ea/mm 
 | 
|
| 
 Usable Area 
 | 
 ≥90 
 | 
 % 
 | 
|
| 
 * Other customized specifications are welcome 
 | 
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