Laser beam processing machine

Details Laser beam processing machine Laser beam processing machine

2006-02-14

2006-02-14

Heinrich, Samuel M. (Department: 1725)

Electric heating

Metal heating

By arc

C219S121820

Reexamination Certificate

active

06998571

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, wherein the machine further comprises a protective film forming means for forming a protective film on the to-be-processed surface of the workpiece before laser beam processing.

REFERENCES:
patent: 4795720 (1989-01-01), Kawanabe et al.
patent: 5182231 (1993-01-01), Hongo et al.
patent: 6063651 (2000-05-01), Edelstein et al.
patent: 6703075 (2004-03-01), Lin et al.
patent: A 6-120334 (1994-04-01), None

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