customized circular sapphire window

The accuracy of scales depends on the sharpness of the prisms on which the levels balance. Nowadays, sapphire prisms with a vertex angle of 35° are produced for scales.

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.