Paper 14100-5
Paper 14100-5
Micro Transfer printing - The new printing press for heterogeneous integration (Invited Paper)
13 April 2026 • 14:10 - 14:40 CEST | Boston/Salon 11 (Niveau/Level 1)
Abstract
Micro transfer printing (µTP) is a key technology for heterogeneous integration, enabling precise placement of devices on various substrates. It combines materials with different processing needs, achieving high accuracy and scalability. The presentation covers µTP principles, factors affecting yield and reliability, and highlights Tyndall National Institute’s recent advancements in III-V integration and photonic device assembly, emphasising its support for the Europractice wafer services for the research and industrial community.
Presenter
James R. O'Callaghan
Tyndall National Institute (Ireland)
Dr O’Callaghan received his PhD in 2002 from the Department of Physics in University College Cork under the topic of Spatial Coherence in Gain Profiled Semiconductor Lasers. He worked in the department of optoelectronics in Ulm, Germany, developing methods of thermal management in VCSELs before returning to his native city of Cork to work in the Tyndall National Institute as a staff scientist. Since then, he has been involved in a wide range of projects from developing high brightness semiconductor lasers for photodynamic therapy to telecoms-based photonics devices, such as Mach-Zehnder modulators and etched facet tuneable lasers. For the past ten years, his research has mainly focused on the development of photonics-based devices for micro transfer printing, their integration into photonic integrated circuits and the packaging rules required to standardise the adoption and integration of this technology in photonic integrated circuits.