Fabrication of large-area hydrophobic surfaces with femtosecond-laser- structured molds

P. H. Wu*, Chung-Wei Cheng, C. P. Chang, T. M. Wu, J. K. Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

Fast replication of large-area femtosecond-laser-induced surface micro/nanostructures on plastic parts by injection molding is demonstrated. An STAVAX steel mold insert is irradiated by femtosecond laser pulses with linear or circular polarization to form periodic-like nanostructures or nanostructure-covered conical microstructures. It was then used for the process of thermal injection molding. The process provides high-volume manufacturing means to generate hydrophobic enhanced plastic parts, which is expected to be widely used in consumables and chemical/biomedical device industries.

Original languageEnglish
Article number115032
JournalJournal of Micromechanics and Microengineering
Volume21
Issue number11
DOIs
StatePublished - 1 Nov 2011

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