N-Type SiC ing Si Composite Substrat Dia6inch
等级sasmita | U 级 | P级 | D级 |
Tingkat BPD sing sithik | Kelas Produksi | Kelas Dummy | |
直径Dhiameter | 150,0 mm ± 0,25 mm | ||
厚度kekandelan | 500 μm ± 25 μm | ||
晶片方向Orientasi Wafer | Sumbu mati : 4.0°menuju < 11-20 > ±0.5° kanggo 4H-N Sumbu aktif : <0001>±0.5° kanggo 4H-SI | ||
主定位边方向Flat Utama | {10-10}±5.0° | ||
主定位边长度Panjang Datar Utama | 47,5 mm±2,5 mm | ||
边缘Pengecualian pinggiran | 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Resistivity | ≥1E5 Ω·cm | ||
表面粗糙度Kasar | Polandia Ra≤1 nm | ||
CMP Ra≤0.5 nm | |||
裂纹(强光灯观测) # | ora ana | Kumulatif dawa ≤10mm, siji length≤2mm | |
Retak dening cahya intensitas dhuwur | |||
六方空洞(强光灯观测)* | Area kumulatif ≤1% | Area kumulatif ≤5% | |
Piring Hex kanthi cahya intensitas dhuwur | |||
多型(强光灯观测)* | ora ana | Area kumulatif≤5% | |
Polytype Area kanthi cahya intensitas dhuwur | |||
划痕(强光灯观测)*& | 3 goresan kanggo 1 × wafer diameteripun | 5 goresan kanggo 1 × diameter wafer | |
Goresan dening cahya intensitas dhuwur | dawa kumulatif | dawa kumulatif | |
崩边# Kripik pinggir | ora ana | 5 diijini, ≤1 mm saben | |
表面污染物(强光灯观测) | ora ana | ||
Kontaminasi dening cahya intensitas dhuwur |