Rapid communication

Applied Physics A

, Volume 88, Issue 2, pp 231-233

First online:

Laser surface roughening of PTFE for increased bonding strength

  • M. RauhAffiliated withLaser-Laboratorium Göttingen e.V.
  • , J. IhlemannAffiliated withLaser-Laboratorium Göttingen e.V. Email author 
  • , A. KochAffiliated withHAWK – Fachhochschule Hildesheim/Holzminden/Göttingen

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Treatment of pure Teflon (PTFE) with UV laser pulses (193 nm) produces area-selective rough surfaces. These irradiated areas are bondable with ordinary adhesives. The stability of the bonds is about one order of magnitude higher than that of bonds with untreated Teflon.