N-Type SIC Ingot

Grade	Ultra-Product grade	Product grade	Dummy grade
Diameter	(150.2 ± 0.2) mm	(150.2 ± 0.2) mm	(150.2 ± 0.2) mm
Thickness	≥10mm	≥10mm	≥10mm
Conductivity type	n-type	n-type	n-type
Dopant	Nitrogen	Nitrogen	Nitrogen
Resistivity	0.015 – 0.025 Ω·cm	0.015 – 0.028 Ω·cm	0.015 – 0.028 (75% area) Ω·cm
Micropipe density	≤0.2 cm-2	≤0.2 cm-2	≤2 cm-2
Surface orientation error	4° toward [11-20] ± 0.5°	4° toward [11-20] ± 0.5°	4° toward [11-20] ± 0.5°
Primary flat orientation	// [11-20] ± 5.0°	// [11-20] ± 5.0°	// [11-20] ± 5.0°
Primary flat length	47.5 mm ± 2.0 mm	47.5 mm ± 2.0 mm	47.5 mm ± 2.0 mm
BPD	≤1000 ea/cm2	≤2000 ea/cm2	-
TSD	≤100	≤500	-
Polytype areas	None	None	≤5% area
Edge Cracks	None	≤3，≤1mm/ea	≤5，≤3mm/ea
Edge indents	None	≤3ea ,≤1mm width and depth	≤5ea ,≤2mm width and depth

 

Packaging: unit-ingot cassette/vacuum packaging.

 

*Research & Dummy Grade is also available. Please consult to our sales.