A prototype printer for laser driven micro-transfer printing

Reza Saeidpourazar, Michael D. Sangid, John A. Rogers, Placid M. Ferreira*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

This paper demonstrates a new mode of automated micro transfer printing called laser micro transfer printing (LμTP). As a process, micro-transfer printing provides a unique and critical manufacturing route to extracting active microstructures from growth substrates and deterministically assembling them into a variety of functional substrates ranging from polymers to glasses and ceramics and to metallic foils to support applications such as flexible, large-area electronics, concentrating photovoltaics and displays. Laser transfer printing extends micro-transfer printing technology by providing a non-contact approach that is insensitive to the preparation and properties of the receiving substrate. It does so by exploiting the difference in the thermo-mechanical responses of the microstructure and transfer printing stamp materials to drive the release of the microstructure or 'ink' from the stamp and its transfer to substrate. This paper describes the process and the physical phenomena that drive it. It focuses on the use of this knowledge to design and test a print head for the process. The print head is used to demonstrate the new printing capabilities that LμTP enables.

Original languageEnglish (US)
Pages (from-to)416-424
Number of pages9
JournalJournal of Manufacturing Processes
Volume14
Issue number4
DOIs
StatePublished - Oct 1 2012

Keywords

  • Component placement
  • Flexible electronics
  • Laser delamination
  • Micro-transfer printing
  • Thermo-mechanical delamination

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Management Science and Operations Research
  • Strategy and Management

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