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17 March 2023 High-quality cutting of heat-sensitive polymers with a high-power femtosecond UV laser
Victor V. Matylitsky, Chandra Nathala, Jim Bovatsek
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Proceedings Volume PC12411, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII; PC124110C (2023) https://doi.org/10.1117/12.2649081
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
The ability to cut heat-sensitive polymers with minimum kerf width and low HAZ, and at high speeds, is critical for many industrial applications. In this work, we investigate the benefits of using high-power femtosecond UV lasers in processing polymer materials, which are commonly used for OLED displays and flexible circuit boards manufacturing. In particular, we present a study on the impact of the processing conditions on the throughput and quality of laser cutting of polyimide (PI), polyethylene terephthalate (PET) and polytetrafluoroethylene (PTFE) polymers as well as OLED display multi-layer polymer film stacks.
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Victor V. Matylitsky, Chandra Nathala, and Jim Bovatsek "High-quality cutting of heat-sensitive polymers with a high-power femtosecond UV laser", Proc. SPIE PC12411, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII, PC124110C (17 March 2023); https://doi.org/10.1117/12.2649081
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KEYWORDS
Laser cutting
Polymers
Femtosecond phenomena
Ultraviolet radiation
High power lasers
Organic light emitting diodes
Pulsed laser operation
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