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Proceedings Paper

Theoretical model describing laser microhole drilling processes for organic polymers
Author(s): Frank F. Wu
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Paper Abstract

In this paper, we not only present a new method to model the drilling hole profiles but also explain why hole drilling will stop under certain circumstances in the low fluence regime for polymers and fiber reinforced composites. The model explains tapered wall formation and stabilized drilling, form which, high efficient laser drilling and cutting can be predicted in low fluence regimes. This new model is suitable for most well defined beams and materials such as polymers, fiber CDC, glass fiber composites and some ceramics, however, in this paper, the model does not address the case of beam intensity changing along the propagation direction.

Paper Details

Date Published: 5 July 2000
PDF: 11 pages
Proc. SPIE 4000, Optical Microlithography XIII, (5 July 2000); doi: 10.1117/12.389069
Show Author Affiliations
Frank F. Wu, Univ. of Salford (United Kingdom)


Published in SPIE Proceedings Vol. 4000:
Optical Microlithography XIII
Christopher J. Progler, Editor(s)

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