N-Type SiC i luga ole Si Composite Substrates Dia6inisi
等级Vasega | U 级 | P级 | D级 |
Maulalo BPD Vasega | Gaosia Vasega | Fa'ailoga Tulaga | |
直径Diamita | 150.0 mm±0.25mm | ||
厚度mafiafia | 500 μm±25μm | ||
晶片方向Fa'asinomaga ole Wafer | Tu'u ese: 4.0° agai i le <11-20 > ±0.5°mo le 4H-N I luga ole axis: <0001>±0.5°mo le 4H-SI | ||
主定位边方向Primary Flat | {10-10}±5.0° | ||
主定位边长度Primary Flat Umi | 47.5 mm±2.5 mm | ||
边缘Fa'aesea pito | 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Tete'e | ≥1E5 Ω·cm | ||
表面粗糙度Talatala | Polani Ra≤1 nm | ||
CMP Ra≤0.5 nm | |||
裂纹(强光灯观测) # | Leai | Fa'aputu umi ≤10mm, tasi umi≤2mm | |
Ta'e i le malamalama maualuga | |||
六方空洞(强光灯观测)* | Vaega fa'aopoopo ≤1% | Vaega fa'aopoopo ≤5% | |
Papatusi Hex ile malamalama maualuga | |||
多型(强光灯观测)* | Leai | Vaega fa'aopoopo≤5% | |
Polytype Area e ala ile malamalama maualuga | |||
划痕(强光灯观测)*& | 3 matasi i le 1×wafer diameter | 5 matasi i le 1×wafer diameter | |
Mata'ia i le malamalama maualuga | fa'aputuga umi | fa'aputuga umi | |
崩边# Pisinisi pito | Leai | 5 faatagaina, ≤1 mm taitasi | |
表面污染物(强光灯观测) | Leai | ||
Fa'aleagaina e le malamalama maualuga |