♦️High-quality SiC wafer for Research and Experiment.

♦️Provide small quantities, special specifications products, and customized services.

♦️Global shipping, secure payment, large inventory.

♦️Minimum delivery time within 1 week. Shipped by FedEx, DHL,UPS, etc.

SiC Substrate Specification:

• Size: 4inch;

• Diameter: 100.8 mm ±0.5;

• Thickness: 500 um±25;

• Surface Orientation: <0001>±0.2°;

• Primary flat orientation:[11-20]±5°；

• Secondary flat orientation: Silicon face up 90°CW. from Prime flat±5°；

• Micropipe: N/A;

• Resistivity: N/A;

• TTV≤10um；

• Warp≤45um；

• Bow≤≤30um；

• Surface Roughness: Si face Ra≤0.5 nm;

• Cracks: None;

• Wafer edge: Bevelling;

• Surface finish: Double Side Polish, Si Face CMP;

• Packing: Multi-wafer Cassette Or Single Wafer Container;

The difference between NG grade and Dummy grade products mainly in the poly area on the surface.
NG grade poly area is more than 5%.
NG grade products are mainly used for equipment testing and have better cost performance.