Laser processing of conductive links
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United States of America Patent
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Sep 30, 2014
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app pub date -
Jan 27, 2012
filing date -
May 18, 2007
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Abstract
A laser system for processing conductive link structures includes a seed laser generating a seed laser beam. The seed laser is sliced by a modulator into a user configurable series of pulses and the pulses are optically amplified and applied to a conductive link structure. Preferably, the bandwidth of the seed laser is less than 1 nm with an IR center frequency, and the frequency of the laser light of the pulses is doubled or quadrupled prior to application to the conductive structure. Preferably, the pulses are about 1-18 nanosecond pulsewidth and are separated by 100-400 nanoseconds.
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