Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christopher L. Rumer0
Sergei L. Voronov0
Date of Patent
December 4, 2007
0Patent Application Number
109855720
Date Filed
November 10, 2004
0Patent Primary Examiner
Patent abstract
A laser micromachining method is disclosed wherein a workpiece is milled using an incident beam from a laser beam focused above the surface of the workpiece. The incident beam is guided by a plasma channel generated by the incident beam. The plasma channel, which has a relatively constant diameter over an extended distance, is generated by continual Kerr effect self-focusing balanced by ionization of air beam defocusing.
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