Laser drilling of non-circular apertures
Forming an aperture in a metal wall, including a diffuser opening up and out from bottom, comprises: (i) machining the wall with a laser beam of pulse rate and power sufficient to vaporise the metal; (ii) firing the laser at an acute angle across the surface at increasing pulse rate so that each bea...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
05.12.2001
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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