Laser drilling of through boreholes without internal protection

The Trepanier method of producing a through-hole (25) in a wall (10) of a hollow component by a millisecond laser and a nanosecond laser having short laser pulses of 0.1-0.3 ms, a relatively high pulse frequency of 20-30 Hz and very low energy of 2-3 Joules and adapting a focus position (13) of the...

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Bibliographische Detailangaben
Hauptverfasser:	GALANDER, UWE, WILKENHOENER, ROLF, WOLLNIK, ADRIAN, MASSA, ANDREA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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