The TOP Cleave focusing optic is a processing optic used to cut transparent materials such as glass or sapphire. Until now the thermally or chemically toughened glass, including front-cover glass for smartphones, was cut into defined sizes, loaded onto carriers and then coated. With TOP Cleave you no longer need these individual steps, because the large glass sections can be coated directly – and then cut to size later on with TOP Cleave.
Processing of the tiniest geometries
Specially thin and hardened glass in particular can be cut by means of material modification. Ultra-short laser pulses modify a narrow area along the desired cutting line. This modification intrinsically toughens the glass, which breaks in a controlled manner and with mirror-like smoothness at the desired location – in completely free contours and with precision to one hundredth of a millimeter. TOP Cleave makes your production process one hundred times faster. The focusing optic for highly dynamic cutting distributes the intensity of the laser light along the beam axis – the length of the focus is extended. In just one pass, depending on the pulse energy, the laser pulses modify the complete inner separation planes of glass sheets 700 µm thick, for example. With the high-powered lasers in the TruMicro series you achieve cutting speeds of up to 1000 mm / s – that’s one hundred times faster than without TOP Cleave.
Excellent edge quality
Cutting with TOP Cleave gives you excellent edge quality, and refinishing work such as regrinding or polishing is either minimized or dispensed with entirly. This means shorter processing times and considerably lower costs.