Comparative chemical studies of the UV and IR laser ablation of polyethylene-terephthalate

P. E. DYER; J. SIDHU; G. OLDERSHAW

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1988),
paper THM11

Comparative chemical studies of the UV and IR laser ablation of polyethylene-terephthalate

P. E. DYER, J. SIDHU, and G. OLDERSHAW

Conference on Lasers and Electro-Optics 1988

Anaheim, California United States
25–29 April 1988
ISBN: 1-55752-033-X

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Poster Session: 3 (THM)

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P. E. DYER, J. SIDHU, and G. OLDERSHAW, "Comparative chemical studies of the UV and IR laser ablation of polyethylene-terephthalate," in Conference on Lasers and Electro-Optics, D. Pinnow and P. Moulton, eds., Vol. 7 of OSA Technical Digest (Optica Publishing Group, 1988), paper THM11.

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Abstract

The ablation of polymers by excimer lasers has aroused considerable attention, and much recent work has been directed toward investigating this phenomenon.¹ One interesting aspect is the extent to which thermal degradation and photodegradation contribute to the etching process. To investigate this we studied the ablative etching of polyethylene-terephthalate (PET) with a TEA CO₂ laser and compared the results with those for UV excimer lasers.

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