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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
Address: No.58, Hengguang Road, Economic and Technological Development Zone,Nanjing, Jiangsu Province
Zip code: 210038
E-mail: xsb@j-crystal.com.cn
Tel: 025-85789211
Fax: 025-85789210