Method for laser drilling a component made of a ceramic...

Details Method for laser drilling a component made of a ceramic... Method for laser drilling a component made of a ceramic...

2007-11-27

2010-11-23

Daniels, Matthew J. (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Laser ablative shaping or piercing

C264S482000, C264S678000, C219S121710

Reexamination Certificate

active

07837925

ABSTRACT:
A method of drilling holes in a component made of a ceramic matrix composite with a laser beam. The method includes: a percussion first step during which an initial hole having an initial diameter and a hole axis is drilled; a trepanning second step during which an intermediate hole, coaxial with the initial hole and having a larger diameter than that of the initial hole, is drilled by shifting the laser beam and then making it rotate about the hole axis; and a third step during which the focal point of the laser beam is moved along the hole axis and then pulses are triggered, to obtain a final hole.

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