Објављен
IEC 61747-40-4:2015(E) is a mechanical performance testing procedure for cover glass used in electronic flat panel displays in mobile devices. This standard is focused on the measurement of as-received surface fracture load via biaxial flexure generated by ring-on-ring.
ОБЈАВЉЕН
IEC 61747-40-4:2015 ED1
60.60
Стандард објављен
20. 1. 2015.