Laser cutting method and system

Details Laser cutting method and system Laser cutting method and system

2005-12-27

2005-12-27

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular beam control device

Q-switch

C372S025000

Reexamination Certificate

active

06980571

ABSTRACT:
Material is laser milled by generating a series of laser pulses, each pulse possessing a main portion and a tail, and preventing the energy in one or more portions of the pulse, from striking the material being processed. In one embodiment this is done by terminating the pulse before a portion of the tail is generated, thereby to reduce thermal stress and leave smooth edges on the laser-milled material.

REFERENCES:
patent: 5611946 (1997-03-01), Leong et al.
patent: 5742634 (1998-04-01), Rieger et al.
patent: 6078598 (2000-06-01), Ohtsuki et al.
patent: 6472295 (2002-10-01), Morris et al.

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