Electric heating – Metal heating – By arc
Reexamination Certificate
2011-08-09
2011-08-09
Elve, M. Alexandra (Department: 3742)
Electric heating
Metal heating
By arc
C219S121840, C219S121830
Reexamination Certificate
active
07994450
ABSTRACT:
A method and an apparatus of minimizing the deposition of debris onto a sample being ablated. The method comprising the steps of: 1) reducing a laser pulse energy to approximately a threshold level for ablation; and 2) ablating a region of the sample using a multitude of laser pulses, each pulse being sufficiently separated in time to reduce a concentration of ablation products in a gas phase. An apparatus for ablating a region of a sample with a laser beam. The apparatus comprises: 1) a source providing a pulsed laser beam of a certain energy, the source focusing the laser beam on the sample to ablate a region of the sample; and 2) a device for providing a flowing fluid over the region being ablated to remove the ablation products.
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MARS: Femtosecond laser mask advanced repair system in manufacturing; Richard Haight, Dennis Hayden, Peter Longo, Timothy Neary, Alfred Wagner; 1999; pp. 3137-3142.
Haight Richard A.
Longo Peter P.
Wagner Alfred
Beck Thomas A.
Elve M. Alexandra
International Business Machines - Corporation
Morris Daniel P.
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