F2-laser polishing of polytetrafluoroethylene surfaces

F2-laser polishing of polytetrafluoroethylene surfaces

The surface roughness and the optical properties of dense polytetrafluoroethylene (PTFE) can be modified by 157 nm F2-laser irradiation in N2 atmosphere. With PTFE foils, laser-treatment results in an improved transparency which is attributed to a smoothening of the surface. The treated foils exhibi...

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Veröffentlicht in:Europhysics letters 2005-06, Vol.70 (6), p.831-835
Hauptverfasser: Gumpenberger, T, Heitz, J, Bäuerle, D, Rosenmayer, T. C
Format: Artikel
Sprache:eng
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Zusammenfassung:The surface roughness and the optical properties of dense polytetrafluoroethylene (PTFE) can be modified by 157 nm F2-laser irradiation in N2 atmosphere. With PTFE foils, laser-treatment results in an improved transparency which is attributed to a smoothening of the surface. The treated foils exhibit a similar mechanical stability as the untreated ones.
ISSN:0295-5075
1286-4854
DOI:10.1209/epl/i2005-10037-y