Fraunhofer Institute for Electronic Microsystems and Solid State Technologies EMFTRoll to roll process of flexible substrates enables the production of novel electronic systems that meet challenges regarding more freedom in design and shaping. Thus, this manufacturing technology enables new fields of application where the future electronic systems need to be thin, pliable and flexible.
Roll to roll process of flexible substrates
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Flexible electronics creates entirely new possibilities in terms of form factors, which in turn ultimately set the course for truly innovative and flexible product design. The Fraunhofer EMFT pilot line with roll-to-roll lithography, laser structuring, printing, vacuum-based techniques and system integration enables cost-effective processing for the development of electronic systems that are simultaneously thin, flexible and large-area.
The high flexibility is based on direct write lithography systems instead of using photomasks and full area UV exposure of the photoresist. A micrometer fine UV light beam (from laser or LED sources) is precisely scanned over the photoresist and “writes” nearly any desired pattern into the resist layer.
