Sub-micron-accuracy automated position and rotation registration method for transferred devices

Margariti, Eleni and Guilhabert, Benoit and Jevtics, Dimitars and Dawson, Martin D. and Strain, Michael J.; (2021) Sub-micron-accuracy automated position and rotation registration method for transferred devices. In: 2021 IEEE Photonics Conference. IEEE Photonics Conference . IEEE, Piscataway, NJ, pp. 978-979. ISBN 9781665416016 (https://doi.org/10.1109/IPC48725.2021.9592935)

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Abstract

We demonstrate a high accuracy and throughput automated method for the spatial registration of micron-scale devices on planar chips. The system is used to assess the yield, spatial pitch and rotation of mass transfer-printed membrane devices (here micro-LEDs for illustration) using simple optical microscopy tools.