Method and apparatus for micro-machining of articles that include polymeric materials
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United States of America Patent
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May 11, 2004
Issued Date -
N/A
app pub date -
Apr 1, 2002
filing date -
May 27, 1999
priority date (Note) -
Expired
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Abstract
A micro-machining apparatus includes a mode-locked, infrared laser system with a high reflector and an output coupler that define an oscillator cavity which produces an output beam. A gain medium and a mode locking device are positioned in the oscillator cavity. A diode pump source produces a pump beam that is incident on the gain medium. A second harmonic generator is coupled to the oscillator cavity. A third harmonic generator is coupled to the second harmonic generator and produces a UV output beam. An output beam directing apparatus directs the output beam to a polymeric surface of an article. At least a portion of the polymeric material is micro-machined by the output beam.
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