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Bernard C Einstein, Peter Spring: Method of and apparatus for machining large numbers of holes of precisely controlled size by coherent radiation. Lasag, Wegner Stellman McCord Wiles & Wood, December 26, 1978: US04131782 (46 worldwide citation)

A method of and apparatus for machining an object wherein a source of coherent radiation is pulse modulated in accordance with the desired machining and the radiation is directed to a deflecting device and deflected to the object which is moving at a controlled speed. Movement of the deflecting devi ...


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