High hardness of Sapphire Window As Fingerprint Recognition

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Product Description

Overview

In contrast to ZnSe windows, those made of sapphire may have a thickness around 5 mm with a complete absence of optical scattering. As shown by recent investiga-tions, large area (500 × 500 mm and 1,000 × 1,000 mm) is necessary for making transparent armor used for the windows of helicopters, special-purpose vehicles.

Sapphire could be used as windows: 1.mobile phone screens; 2. lens; 3. fingerprint recognition; 4. Wearable equipment windows and so on, because of its unique advantages including: high sensitivity, scratch resistance, abrasion resistance, high temperature resistance, high pressure resistance, good chemical stability, and corrosion and deliquescence resistance.

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