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Laser soldering is a technique where a 30–50 W laser is used to melt and solder an electrical connection joint. Diode laser systems based on semiconductor junctions are used for this purpose. [21] Suzanne Jenniches patented laser soldering in 1980. [22] Wavelengths are typically 808 nm through 980 nm. The beam is delivered via an optical ...
Laser sintering of gold is a jewellery manufacturing technique [1] first developed by Towe Norlén and Lena Thorsson. [2] Laser sintering [3] of gold starts with gold powder, fine as flour. A laser beam sinters (melts) the gold flour locally in an extremely small point, and any shape may be ‘drawn’ precisely with the laser beam, in three ...
Laser systems in the 50-300W range are used primarily for pumping, plastic welding and soldering applications. Lasers above 300W are used in brazing , thin metal welding , and sheet metal cutting applications.
The Baqdadi goldsmith by Kamal-ol-molk. A goldsmith is a metalworker who specializes in working with gold and other precious metals.Modern goldsmiths mainly specialize in jewelry-making but historically, they have also made silverware, platters, goblets, decorative and serviceable utensils, and ceremonial or religious items.
After forming and casting, the various pieces may be assembled by soldering and riveting. During most of their history, silversmiths used charcoal or coke fired forges, and lung-powered blow-pipes for soldering and annealing. Modern silversmiths commonly use gas burning torches as heat sources. A newer method is laser beam welding.
Whether it is used in one context or another, there is no doubt that the bench jeweler is the jewelry worker who does the major metal work and the brazing, and its meaning can also be taken more widely to mean one who is more versatile in the trade than merely an assembler of parts. The term can and has been used to describe any of the work ...
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An SLS machine being used at the Centro de Pesquisas Renato Archer in Brazil.. Selective laser sintering (SLS) is an additive manufacturing (AM) technique that uses a laser as the power and heat source to sinter powdered material (typically nylon or polyamide), aiming the laser automatically at points in space defined by a 3D model, binding the material together to create a solid structure.
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