N-Type SiC ntawm Si Composite Substrates Dia6inch
| 等级Qib | Ua 级 | P 级 | D 级 |
| Qib BPD qis | Qib ntau lawm | Dummy Qib | |
| 直径Txoj kab uas hla | 150.0 hli ± 0.25mm | ||
| 厚度Thickness | 500μm ± 25μm | ||
| 晶片方向Wafer Orientation | Tawm axis: 4.0 ° rau <11-20> ± 0.5 ° rau 4H-N Ntawm axis: <0001> ± 0.5 ° rau 4H-SI | ||
| 主定位边方向Lub Tsev Loj | {10-10} ± 5.0° | ||
| 主定位边长度Qhov Loj Loj Loj | 47.5 hli ± 2.5 hli | ||
| 边缘Ntug cais tawm | 3 hli | ||
| 总厚度变化/弯曲度/翘曲度 TTV/How / Warp | ≤15μm / ≤40μm / ≤60μm | ||
| 微管密度和基面位错MPD & BPD | MPD≤1 cm-2 | MPD≤5 cm-2 | MPD≤15 cm-2 |
| BPD≤1000cm-2 | |||
| 电阻率Kev tiv thaiv | ≥1E5 Ω·cm | ||
| 表面粗糙度Roughness | Polish Ra≤1nm | ||
| CMP Ra≤0.5nm | |||
| 裂纹(强光灯观测) # | Tsis muaj | Qhov ntev ≤10mm, ib qhov ntev ≤2mm | |
| Kev tawg los ntawm kev siv lub teeb siab | |||
| 六方空洞 (强光灯观测)* | Qhov ntau thiab tsawg ≤1% | Qhov ntau thiab tsawg ≤5% | |
| Hex Phaj los ntawm kev siv lub teeb ci siab | |||
| ntau(强光灯观测)* | Tsis muaj | Qhov ntau thiab tsawg ≤5% | |
| Polytype Areas los ntawm kev siv lub teeb ci siab | |||
| 划痕(强光灯观测)*& | 3 khawb rau 1 × wafer txoj kab uas hla | 5 khawb rau 1 × wafer txoj kab uas hla | |
| Kos los ntawm kev siv lub teeb siab | cumulative ntev | cumulative ntev | |
| 崩边# Ntug nti | Tsis muaj | 5 tso cai, ≤1mm txhua | |
| 表面污染物 (强光灯观测) | Tsis muaj | ||
| Kev kis kab mob los ntawm lub teeb ci siab | |||
Daim duab qhia ntxaws

