In the mobile era, almost everyone is "on the phone", and the mobile phone industry is constantly updated and iterated. In addition to the continuous upgrading of system, hardware and other functional configurations, the necessary camera function of mobile phones has become a battleground for mobile phone manufacturers. With the need for good photography technology such as photography, light sensitivity and depth focusing, the demand for three shots and four shots began to rapidly popularize the filter. However, its fragile characteristics bring many problems to the processing process, such as cracks, rough edges, etc. The traditional cutting method is either poor in effect or slow in speed, and requires complex processing after cutting.

In recent years, with the rapid development of laser technology, laser has also appeared in glass cutting. Laser cutting has high speed, high precision, no burr in the cut and is not limited by the shape, and the edge collapse is generally small.

As a non-contact processing method, laser can avoid the problems such as edge collapse and cracks that are easy to occur in traditional cutting. It has the advantages of high precision, no microcracks, breakage or debris problems, high edge crack resistance, no need for washing, grinding, polishing and other secondary manufacturing costs. It can reduce costs while greatly improving the yield and processing efficiency of the workpiece.