The LASER welding of polymers is carried out by putting a transparent material into contact with an absorbent material; the LASER beam crossing the former and heating the latter to fusion point. The welding takes place when the heated absorbent material makes contact with the transparent material.
The advantages, with respect to traditional systems, are many: perfectly aesthetic and sealed connections, no vibrations on the welded parts, reduced thermal weld material, high process speed and flexibility in components design.
See also