From LaserStar Technologies Corporation

Today's precision optical repair shops specializing in fast, high quality repairs of eyewear frames and accessories have a wide range of new technologies available to enhance their ability to provide the highest level of quality, craftsmanship and service to their clients. One of the fastest growing technologies is the use of manual laser micro-welding systems as an alternative to traditional solder and fusion welding repair methods. Laser is an acronym for "Light Amplification by the Stimulated Emission of Radiation." This technology produces a sharply focused beam of hot light that melts a very small area of metal and can be used to join similar or dissimilar alloys. The welding process can be performed quickly (normally in milliseconds) and does not scar or blemish the welding surface. In fact, by adjusting the laser's beam diameter, a smooth, near polished finish can be achieved with the laser. Since very little heat is generated at the weld point, users can easily weld 0.05mm away from the most complicated and intricate optical lens, polished surfaces and heat-sensitive assemblies.
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