Fast and cost-effective in-process defect inspection for printed electronics based on coherent optical processing

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Fast and cost-effective in-process defect inspection for printed electronics based on coherent optical processing

This paper presents an all-optical difference engine (AODE) sensor for detecting the defects in printed electronics produced with roll-to-roll processes. The sensor is based on the principle of coherent optical subtraction and is able to achieve high-speed inspection by minimising data post-processi...

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Bibliographic Details
Main Authors:	Feng, Xiaobing, Su, Rong, Happonen, Tuomas, Liu, Jian, Leach, Richard
Format:	Article
Published:	Optical Society of America 2018
Online Access:	https://eprints.nottingham.ac.uk/51513/

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