3D laser structuring can burn microstructures into free form surfaces

May 30, 2007 Micrometer-fine patterns in surfaces endow components with amazing properties: Plastic dashboards can be made to look like leather, sharkskin patterned ribs on an aircraft’s fuselage can significantly reduce air resistance and micro-recesses in human implants can dramatically improve connection with the bone. There are many reasons for applying microstructures but actually doing so is by no means easy. While lasers have been used for quite a long time to structure flat surfaces, the problems associated with using lasers on three-dimensional components of complex shape has ensured that etching techniques have had to be deployed, involving the use of large quantities of chemicals and costly processes. Now European researchers have developed a machine that can burn microstructures into free form surfaces.

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