Laser shape rings aid selection of optimal laser spot shape to fit components and land shapes to reduce circuit board problems. Come in twin-spot, circle, square, ring and oval ring. Help avoid inadvertent burning of PCBs. Twin-spot enables simultaneous soldering of two joints.
Japan Unix, japanunix.com/en/products/laser/shapes.php
• Verification video showing how incorrect laser shapes burn components: youtube.com/watch?v=iqjpVepqWbU
• Twin beams working two components simultaneously: youtube.com/watch?v=vRWr80bnCfg