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Proceedings Paper

Femtosecond and nanosecond laser micromachining of oxidized multi-wall carbon nanotube doped morthane
Author(s): Kenneth E. Hix; Mingwei Li; Jacek Gosciniak; Kevin Hartke; Matt Rendina; Larry R. Dosser; Max Alexander
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Paper Abstract

Carbon nanocomposites consist of thermoset and thermoplastic materials filled with carbon nano-particles (nanotubes, bucky balls, etc.). This innovative group of materials offers many advantages over standard polymers such as electrical/thermal conductivity and improved structural properties. In the current study, an Yb:KGW solid-state femtosecond laser and an Nd:YVO4 solid-state nanosecond laser were used to micromachine oxidized multi-wall carbon nanotube (MWCNT) doped morthane. The experimentation studied the relationship between various laser-processing parameters including laser pulse duration, pulse energy, beam scanning speed, and average power. The processing consisted of cutting channels into the materials using 1048 nm wavelength at 400 fs pulse duration, 1064 nm wavelength at 40 ns pulse duration, and 355 nm wavelength at 35 ns pulse duration. Additionally, the effects of oxidized MWCNT fill percentage were considered. The material removal rate was quantified for each experimental condition. The experimental results are discussed in terms of material removal rates, machining quality, and achievable feature size.

Paper Details

Date Published: 12 April 2005
PDF: 12 pages
Proc. SPIE 5713, Photon Processing in Microelectronics and Photonics IV, (12 April 2005); doi: 10.1117/12.592740
Show Author Affiliations
Kenneth E. Hix, Mound Laser & Photonics Ctr., Inc. (United States)
Mingwei Li, Spectra-Physics/Newport Corp. (United States)
Jacek Gosciniak, Spectra-Physics/Newport Corp. (United States)
Kevin Hartke, Mound Laser & Photonics Ctr., Inc. (United States)
Matt Rendina, Mound Laser & Photonics Ctr., Inc. (United States)
Larry R. Dosser, Mound Laser & Photonics Ctr., Inc. (United States)
Max Alexander, Air Force Research Lab. (United States)

Published in SPIE Proceedings Vol. 5713:
Photon Processing in Microelectronics and Photonics IV
Jim Fieret; David B. Geohegan; Friedrich G. Bachmann; Willem Hoving; Frank Träger; Peter R. Herman; Jan J. Dubowski; Tatsuo Okada; Kunihiko Washio; Yongfeng Lu; Craig B. Arnold, Editor(s)

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