Advanced Manufacturing of Flexible Electronic Circuits by Transfer Foil Method

Tuomas Happonen*, Mikko Hietala, Arttu Huttunen, Terho Kololuoma, Markus Tuomikoski

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

This study presents an advanced method to manufacture large-area flexible electronic circuits in a continuous roll-to-roll process. Transfer foil method founds on converting processes to cut and laminate thin metal foils to designed patterns onto a target substrate. The processing technique utilizes die-cutting tools, carrier foils and adhesive films to embed functionalities with bulk metal level conductivity directly on various surfaces. Transfer foil method is a chemical-free process and operates at room temperature favoring sustainable manufacturing. Furthermore, integration of rigid electronics on transfer foil patterns is realizable by low temperature soldering as proven in the paper.

Original languageEnglish
Title of host publicationFLEPS 2023 - IEEE International Conference on Flexible and Printable Sensors and Systems, Proceedings
PublisherIEEE Institute of Electrical and Electronic Engineers
Number of pages4
ISBN (Electronic)978-1-6654-5733-0
ISBN (Print)978-1-6654-9353-6
DOIs
Publication statusPublished - 2023
MoE publication typeA4 Article in a conference publication
Event5th IEEE International Conference on Flexible and Printable Sensors and Systems, FLEPS 2023 - Boston, United States
Duration: 9 Jul 202312 Jul 2023

Publication series

Series IEEE International Conference on Flexible and Printable Sensors and Systems

Conference

Conference5th IEEE International Conference on Flexible and Printable Sensors and Systems, FLEPS 2023
Country/TerritoryUnited States
CityBoston
Period9/07/2312/07/23

Funding

This study has received funding from the European Union’s Horizon Europe research and innovation programme under grant agreement No 101070167. This study has received funding from the European Union's Horizon Europe research and innovation programme under grant agreement No 101070167. This work utilized the Printed Intelligent Infrastructure (PII-FIRI) supported by Academy of Finland (grant No. 320019) Fig. 3. Die cutting desired pattern (top) and removing excess foil (bottom) in a continuous R2R process.

Keywords

  • adhesive film
  • converting
  • die-cutting
  • flexible circuits
  • metal film
  • roll-to-roll

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