New surface modifications of polymer films with the excimer laser radiation

Sylvain Lazare; Pascale Benet; Matthias Bolle; Philipe De Donato; Eric Bernardy

doi:10.1117/12.144545

4 May 1993 New surface modifications of polymer films with the excimer laser radiation

Sylvain Lazare, Pascale Benet, Matthias Bolle, Philipe De Donato, Eric Bernardy

Proceedings Volume 1810, 9th International Symposium on Gas Flow and Chemical Lasers; (1993) https://doi.org/10.1117/12.144545
Event: Ninth International Symposium on Gas Flow and Chemical Lasers, 1992, Heraklion, Greece

Abstract

Laser surface texturing of polymer films is of interest for the improvement of the tribological and adhesion properties of these films. The absorption of a UV laser pulse of high energy causes ablation and a simultaneous surface roughening may appear. For pulse energies approaching the ablation threshold semi-crystalline polymers are superficially amorphized over a depth that is controlled by the experimental conditions. In a new regime of irradiation that uses a polarized excimer laser beam of low fluence periodic modifications of submicron size aligned parallel to the electric field are formed on nominally smooth surfaces. These self- developing structures result from the interference of the incident and surface scattered waves. Various applications are anticipated owing to the high dose efficiency and controllability of the process.

Citation Download Citation

Sylvain Lazare, Pascale Benet, Matthias Bolle, Philipe De Donato, and Eric Bernardy "New surface modifications of polymer films with the excimer laser radiation", Proc. SPIE 1810, 9th International Symposium on Gas Flow and Chemical Lasers, (4 May 1993); https://doi.org/10.1117/12.144545

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