Laser non-destructive dicing adapts the concept of precisely controlled heating in pair with localized cooling technique to create a temperature gradient, which will create thermal stress in the substrate, and the substrate will break once it reaches its fracture threshold. The crack propagates along the thermal gradient induced by the laser beam path, leading to complete clean separation of the substrate.
Laser Solution:
● Laser configuration: 50 W infrared pulsed + 300 W infrared continuous (30% power reserved)
● High beam quality laser and matching laser output device for excellent cutting results
● Customized water atomization unit to ensure cleaving stability
Dicing Solution:
● Thermal crack spot fine curing to optimize cutting performance (reduces cleaving temperature, improves straightness)
● Co-axial spot technology: Aligns the grooving and thermal crack spots precisely, minimizing various defects and imperfections caused by misalignment, thereby enhancing the final module performance.