N-Hom 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 |