Crystal Wafer 4inch AT/ST/Z Cut Double Side Polished Substrate

♦️High-quality Crystal 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.

Crystal Wafer Specification:

• Material: Synthetic quartz

• Method: Hydrothermal method;

• Size: 4inch ;

• Diameter: 100± 0.2mm;

• Thickness: 500um ± 25;

• Crystal structure: Six-sided;

• Lattice constant: a=4.914Ã C=5.405Ã；

• Hardness: 7(mohs)；

• Thermal conductivity: 0.0033cal/cm℃;

• Density: 2.684g/cm3;

• Refractive Index：1.544;

• Front side: Polished ;

• Backside: Polished;

• Packing: Wafer case ;

• Production time: 2~3weeks