N-Math SiC ar Si Sbstradau Cyfansawdd Dia6inch
等级Gradd | U 级 | P级 | D级 |
Gradd BPD Isel | Gradd Cynhyrchu | Gradd dymi | |
直径Diamedr | 150.0 mm±0.25mm | ||
厚度Trwch | 500 μm±25μm | ||
晶片方向Cyfeiriadedd Wafferi | Oddi ar yr echel : 4.0° tuag at < 11-20 > ±0.5° ar gyfer 4H-N Ar echel : <0001>±0.5° ar gyfer 4H-SI | ||
主定位边方向Fflat Cynradd | {10-10}±5.0° | ||
主定位边长度Hyd Fflat Cynradd | 47.5 mm±2.5 mm | ||
边缘Gwaharddiad ymyl | 3 mm | ||
总厚度变化/弯曲度/翘曲度 TTV/Bow /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Gwrthedd | ≥1E5 Ω·cm | ||
表面粗糙度Garwedd | Pwyleg Ra≤1 nm | ||
CMP Ra≤0.5 nm | |||
裂纹(强光灯观测) # | Dim | Hyd cronnus ≤10mm, hyd sengl≤2mm | |
Craciau gan olau dwysedd uchel | |||
六方空洞(强光灯观测)* | Arwynebedd cronnus ≤1% | Arwynebedd cronnus ≤5% | |
Platiau Hecs gan olau dwysedd uchel | |||
多型(强光灯观测)* | Dim | Arwynebedd cronnus ≤5% | |
Ardaloedd Polyteip gan olau dwysedd uchel | |||
划痕(强光灯观测)*& | 3 crafiad i 1 × diamedr afrlladen | 5 crafiad i 1 × diamedr afrlladen | |
Crafiadau gan olau dwysedd uchel | hyd cronnus | hyd cronnus | |
崩边# Sglodyn ymyl | Dim | 5 a ganiateir, ≤1 mm yr un | |
表面污染物(强光灯观测) | Dim | ||
Halogiad gan olau dwysedd uchel |