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Diagram of a laser cutter Laser cutting process on a sheet of steel CAD (top) and stainless steel laser-cut part (bottom) Laser cutting is a technology that uses a laser to vaporize materials, resulting in a cut edge. While typically used for industrial manufacturing applications, it is now used by schools, small businesses, architecture, and ...
where t is the depth of cut, P is the laser beam power, v is the cutting velocity, and d is the laser beam spot diameter. [5] The depth of the cut is also influenced by the workpiece material. The material's reflectivity, density, specific heat, and melting point temperature all contribute to the lasers ability to cut the workpiece.
The laser ensures better accuracy compared to manual cutting. [4] It allows users to imitate a jagged or irregular cut as if done by hand, with the advantage that the laser solders the borders of synthetic fiber , avoiding unpleasant unthreading which is called "the clean edge". [ 5 ]
It can involve scribing and breaking, mechanical sawing (normally with a machine called a dicing saw) [2] or laser cutting. All methods are typically automated to ensure precision and accuracy. [ 3 ] Following the dicing process the individual silicon chips may be encapsulated into chip carriers which are then suitable for use in building ...
When a Gaussian laser beam is focused, the focused spot diameter is defined by d 00 = 4 λ f π D 00 {\displaystyle d_{00}={4\lambda f \over \pi D_{00}}} , (3) where d 00 is the ideal focused spot diameter, f is the focal length of the focusing lens, and D 00 is the input beam waist and is placed one focal length from the lens as shown in the ...
The smallest aperture that an iris can define is about 0.8 mm. In comparison, the centroid of a laser beam can be determined to sub-micrometre accuracy with a laser beam profiler. The laser beam profiler's effective aperture size is three orders of magnitude smaller than that of an iris.
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