Sapphire fingerprint identification cover plate

Specification: Made according to customer’s requirement

Product introduction: Sapphire fingerprint identification cover plate

 is now used in the fingerprint protect glass for high-end mobile phones. The properties of sapphire have been made full use to increase the protection of fingerprint identification and highlight the hardness characteristic of sapphire.

Main technical parameters:

1.Contact angle of waterproof membrane≥110°；

2.Diameter tolerance±0.02mm；

3.Smudginess ≤0.25mm；

4.Environmental reliability

a.High temperature test（+85℃）72h

b.Low temperature test（-40℃）72h

c.High temperature and humidity （60℃，95%RH）72h

d.Thermal shock test（-40℃，85℃ each for 2.5 hours）10 circulations

e.Steel wool testing (0000#，1kgf load，40cycle/min，40mm) 2000 circulations