Picosecond laser cutting of different shapes of mobile phone tempered film

The mobile phone screen is the largest and most expensive component on the mobile phone, and the smart phone screen is always the innovation point of the smart phone. In recent years, the material of mobile phone screens has developed from TFT-LCD to OLED, and the screen size has gradually become larger, higher screen ratio, and full screen, represented by "Liu Haiping" and "Water Drop Screen". The special-shaped screen design gradually emerged in the mobile phone market.

Picosecond laser is a kind of ultra-fast laser, with high cutting intensity, fast cutting speed, good edge effect, no residue, and no limitation of processing shape. Therefore, picosecond laser cutting technology is one of the mainstream cutting technologies in the field of special-shaped cutting.

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The special-shaped laser cutting machine adopts picosecond laser, self-developed wire forming technology, and the focused beam diameter is as small as 1-2μm to ensure no damage to the TFT circuit; the effective cutting speed is as high as 120mm/s. For single-layer glass with a thickness of 1.5mm, the laser The cutting can be broken only once, and any graphics can be cut; it can realize non-taper cutting with smooth edges. This product is used in cutting R and C angles of mobile phone panels, car panels and other products.