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Polymer film processing with a high-power industrial femtosecond laser

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Polymer film processing with a high-power industrial femtosecond laser

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  • Author: Chandra Sekher Reddy Nathalaa , Victor Matylitskya , Jim Bovatsek
Polymer materials are increasingly important for medical device, flat panel display and microelectronics applications. Due to the high thermal sensitivity of polymers, femtosecond laser processing can minimize heat deposition, and high powers are needed to achieve fast processing. In our work, we present ablation thresholds and cutting speeds for two common polymer materials, polyethylene terephthalate (PET) and polyimide, processed with a 100 W femtosecond laser with single and burst pulses and at infrared and green wavelengths.

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