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OwnerYosuke Mizuyama, Yosuke Toyofuku +2inventors
InventorsYosuke Mizuyama, Yosuke Toyofuku, Xinbing Liu, Chen-Hsiung Cheng
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A laser processing apparatus includes a laser generation apparatus for outputting an ultra-short pulse laser beam, a laser control apparatus for controlling the laser generation apparatus, an optical system, an optical system control apparatus for measuring the optical system, and a measurement apparatus for measuring the ultra-short pulse laser beam. The intensity of the largest noise component pulse in the ultra-short pulse laser beam is controlled to be 2.5% or less of the intensity of the primary pulse in the ultra-short pulse laser beam.
A laser processing method, comprising the step of processing a material using an ultra-short pulse laser beam, wherein an intensity of a largest noise component pulse in the ultra-short pulse laser beam is 2.5% or less of an intensity of a primary pulse in the ultra-short pulse laser beam.
A laser processing apparatus, comprising an ultra-short pulse laser, wherein an intensity of a largest noise component pulse in an ultra-short pulse laser beam is 2.5% or less of an intensity of a primary pulse in the ultra-short pulse laser beam.
A nozzle plate for an ink jet head, the nozzle plate being processed to form a nozzle therein by using an ultra-short pulse laser beam in which an intensity of a largest noise component pulse is 2.5% or less of an intensity of a primary pulse.
An ink jet head comprising a nozzle plate, the nozzle plate being processed to form a nozzle therein by using an ultra-short pulse laser beam in which an intensity of a largest noise component pulse is 2.5% or less of an intensity of a primary pulse.
An ink jet recording apparatus, comprising an ink jet head including a nozzle plate, the nozzle plate being processed to form a nozzle therein by using an ultra-short pulse laser beam in which an intensity of a largest noise component pulse is 2.5% or less of an intensity of a primary pulse.
Dependencies are inferred from the claim text.