Laser processing machine

Details Laser processing machine Laser processing machine

2011-04-26

2011-04-26

Heinrich, Samuel M (Department: 3742)

Electric heating

Metal heating

By arc

C219S121750

Reexamination Certificate

active

07932478

ABSTRACT:
A laser processing machine that includes a chuck table adapted to hold a workpiece thereon and laser beam irradiation unit for applying a laser beam to the workpiece held on the chuck table. The laser beam irradiation unit includes: a laser beam oscillation section for emitting a pulse laser beam; a defection section for deflecting the pulse laser beam emitted from the laser beam oscillation section; and a concentrator having an ellipsoidal focusing spot forming section for focusing the pulse laser beam deflected by the deflection unit and forming a focusing spot into an ellipse.

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