♦️ High-quality AIN 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.

AIN Wafer Specification:  

• Diameter: 25.4mm士0.5;

• Crystal type:2H;

• Orientation: {0001}士0.5°;

• Thickness: 700um±50;

• FWHM-HRXRD@(0002)(arcsec): ≤300;

• FWHM-HRXRD@(10-12)(arcsec): ≤200;

• Absorption Coefficient@265nm:≤70(cm-1)

• Surface roughness (Ra):Al face: ≤0.5nm,N face: ≤1.2um;

• Edge Exclusion:1mm;

• Scratches:None;

• Edge Chips:None;

• Usable Area:>80%；

• Primary flat orientation:{10-10}士5.0°;

• Secondary flat orientation:

• 90°+5 CW from Primary Flat, as viewed from Al face,

• 90°+5 CCW from Primary Flat, as viewed firom N face;

• TTV≤30um;

• Bow≤30um;

• Wapr≤30um;

• Cracks:on the edge, <2mm each;

• Holes:2 allowed, <300um each;

• Surface Finish: Al face: CMP;

• Packing: silicon wafer case;