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Modification of Polyimide Wettability by KrF Pulsed Laser Ablation

Published online by Cambridge University Press:  03 October 2008

V. Oliveira  and
R. Vilar
V. Oliveira*
Affiliation:
Department of Materials Engineering, Instituto Superior Técnico, Av. Rovisco Pais nº1, 1049-001 Lisboa, Portugal
R. Vilar
Affiliation:
Department of Materials Engineering, Instituto Superior Técnico, Av. Rovisco Pais nº1, 1049-001 Lisboa, Portugal
*
Corresponding author. E-mail: [email protected]

Abstract

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Laser ablation has been extensively studied in polymers because of their considerable utility in diverse fields such as medicine, microelectronics, photonics, etc. As a result, laser ablation of polymers has generated considerable interest in research during the past two decades. Among the many aspects of laser ablation of polymers, several authors have reported the formation and growth of conical structures during laser processing with UV laser radiation. Although this aspect of laser ablation has been investigated since the 1980s, only a few applications of these structures have been reported. In the present paper, we study the development of conical structures on polyimide treated with KrF laser radiation as a function of the radiation fluence, and its effect on the wettability of the polymer.

Type
Abstract
Information
Microscopy and Microanalysis , Volume 14 , Supplement S3 , September 2008 , pp. 73 - 76
Copyright
Copyright © Microscopy Society of America 2008