A simple defect detection technique for high speed roll-to-roll manufacturing

Krysinski, Adam and Coupland, Jeremy and Leach, Richard and Flockhart, Gordon M. H. (2014) A simple defect detection technique for high speed roll-to-roll manufacturing. In: 14th euspen International Conference, 2014-06-02 - 2014-06-06. (Unpublished)

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Abstract

A prototype industrial defect inspection system, which can operate at speeds of up to 1 ms-1 and over web widths of 500 mm, is being developed at the National Physical Laboratory for roll-to-roll manufacturing of highly-transparent materials. The prototype is designed to detect defects with lateral dimensions larger than 10 μm. The findings of a feasibility study for a sensor based on dark-field imaging principles are presented. The design of the sensor is introduced and the results of a preliminary characterisation are discussed. Off-the-shelf equipment was used including a monochromatic CMOS sensor paired with a telecentric lens. The illumination was supplied from a high-power LED and a range of illumination wavelengths was used. The characterisation was performed on custom-made transparent polymer artefacts and the results are presented.

Creators(s): Krysinski, Adam, Coupland, Jeremy, Leach, Richard and Flockhart, Gordon M. H. ORCID logoORCID: https://orcid.org/0000-0002-8777-7511;
Item type:Conference or Workshop Item(Paper)
ID code:48805
Keywords:dark filed imaging, surface metrology, imaging of defects, defect detection technique, high speed, roll-to-roll, manufacturing, Electrical engineering. Electronics Nuclear engineering, Manufactures, Electrical and Electronic Engineering, Industrial and Manufacturing Engineering
Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
Technology > Manufactures
Department:Faculty of Engineering > Electronic and Electrical Engineering
Technology and Innovation Centre > Sensors and Asset Management
Depositing user: Pure Administrator
Date deposited:25 Jun 2014 11:42
Last modified:06 Nov 2020 06:40
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URI:https://strathprints.strath.ac.uk/id/eprint/48805
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