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Proceedings Paper

F[sub]2[/sub] laser formation of SiO[sub]2[/sub] protective layer onto polycarbonate for lightweight vehicle window
Author(s): Shingo Sonobe; Yoshihiko Nojima; Masayuki Okoshi; Hidetoshi Nojiri; Narumi Inoue
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Paper Abstract

Silicone-coated polycarbonate (PC) through an acrylic primer was photochemically modified into silica (SiO2) by 157 nm F2 laser. The photomodified surface showed high scratch resistance comparable to the case in a bulk silica. Corresponding to the conversion of silicone into silica on PC, the photomodified surface was found to be shrunk, measured by a surface profilometer. For instance, the coated silicone on PC reduced the thickness of approximately 15 % when the F2 laser modified silicone into silica 0.59 μin thickness. An excess irradiation of F2 laser for the photochemical modification induced the degradation of acrylic primer underneath silicone.

Paper Details

Date Published: 21 February 2011
PDF: 7 pages
Proc. SPIE 7920, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVI, 79201A (21 February 2011); doi: 10.1117/12.878450
Show Author Affiliations
Shingo Sonobe, National Defense Academy (Japan)
Yoshihiko Nojima, National Defense Academy (Japan)
Renias Co., Ltd. (Japan)
Masayuki Okoshi, National Defense Academy (Japan)
Hidetoshi Nojiri, Renias Co., Ltd. (Japan)
Narumi Inoue, National Defense Academy (Japan)

Published in SPIE Proceedings Vol. 7920:
Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVI
Bo Gu; Guido Hennig; Xianfan Xu; Hiroyuki Niino, Editor(s)

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