Technical Articles | Cell phones cover glass flatness warpage inspection
2020-11-04
Cell phones cover glass from 2D, 2.5D to the popular 3D cover glass, the flatness (warpage) control is very strict, because whether the flatness is good, directly affect the subsequent process cell phones assembly link. If the warpage is too large, then directly unusable, even if assembled to the phones frame, also belongs to the defective products. And the glass is a fragile and easy to scratch the characteristics of the previous use of the probe contact meas