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Advances in Polyester Film Substrates for Flexible Electronics

Speaker: Scott Gordon | Company: DuPont Teijin Films | Date: 11-12 May 2021 | Full Presentation

Continued advances in Flexible Hybrid Electronics have required material suppliers to deliver improved functionality to the device developers in broad applications such as sensors, displays, barrier films, photovoltaics, medical diagnostics, consumer electronics, HMI (Human Machine Interface), and Flexible Printed Circuits (FPCs).

Demands on the film substrate suppliers can vary widely, and polymer property requirements typically include: clean surfaces with low surface defects, optically clear films with low haze and iridescence, near zero thermal shrinkage for multilayer print registration and component attach via solder reflow, UV and Hydrolysis resistance, and VTM-0 Flame Retardance. Many requests also include an ability to further tailor the surface chemistry to improve and enhance the downstream processing performance. New commercial polyester film types have been introduced by DuPont Teijin Films, and their typical end use applications will be described.

Fraunhofer FEP performs Roll-to-Roll film processing, and they are developing transparent and robust permeation Barrier Films for Flexible Electronics. The substrate choice is critical for optimized performance, and Fraunhofer FEP will describe their journey and key learnings.

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