Laser beam machine with cylindrical lens system

Details Laser beam machine with cylindrical lens system Laser beam machine with cylindrical lens system

2006-11-06

2008-08-05

Evans, Geoffrey S (Department: 1793)

Electric heating

Metal heating

By arc

Reexamination Certificate

active

07408129

ABSTRACT:
A laser beam processing machine comprising a chuck table for holding a workpiece and a laser beam application means for applying a laser beam to the workpiece held on the chuck table, the laser beam application means comprising a laser beam oscillation means for oscillating a laser beam and a condenser for converging the laser beam oscillated by the laser beam oscillation means, wherein the condenser comprises a first cylindrical lens unit having a first cylindrical lens, a second cylindrical lens unit having a second cylindrical lens which is positioned such that its converging direction becomes perpendicular to the converging direction of the first cylindrical lens, and an interval adjustment mechanism for adjusting the interval between the first cylindrical lens unit and the second cylindrical lens unit.

REFERENCES:
patent: 4832452 (1989-05-01), Eisler
patent: 2004/0017619 (2004-01-01), Kang
patent: 2005/0133485 (2005-06-01), Tokura
patent: 3-13290 (1991-01-01), None
patent: 7-68392 (1995-03-01), None
patent: 2003-80389 (2003-03-01), None
patent: 2004-9139 (2004-01-01), None
patent: 2006-116570 (2006-05-01), None

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