Laser drilling processes for forming an apertured film

Details Laser drilling processes for forming an apertured film Laser drilling processes for forming an apertured film

1995-12-18

1999-06-29

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

B23K 2600

Patent

active

059164620

ABSTRACT:
A method of forming an apertured support member is accomplished by directing a laser beam at a workpiece, focusing the laser beam at the top surface of the workpiece, moving the laser beam in a series of raster scans over the surface of the workpiece. During each scan, the laser is turned on at predetermined intervals to drill one or more discrete portions of each of the apertures to form apertures surrounded by a plateau on the resulting support member.

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