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Bauereiss U.,Dr. Schenk GmbH Industriemesstechnik | Oerley H.,Dr. Schenk GmbH Industriemesstechnik | Bradley M.,Dr. Schenk GmbH Industriemesstechnik
Glass International | Year: 2012

The article provides an overview of the characteristics of modern E-glass inspection systems. Modern inspection and measurement systems can do more than simply detect defects in glass. They help manufacturers of float glass and low-E glass to optimize their production and minimize the amount of rejected glass. Applying several inspection modes instead of only one delivers more detailed defect information. One channel may contain information regarding the absorption effect, another may cover deflection effects and a third may deliver information regarding different reflection intensities. It would be a float glass manufacturers nightmare to have to shut down a line for more than a few hours. Therefore, a very compact solution requiring little space and set up time is essential and allows integration into existing production lines in less than four hours. Source


Espinosa N.,Technical University of Denmark | Lenzmann F.O.,Energy Research Center of the Netherlands | Ryley S.,Nottingham Technology | Angmo D.,Technical University of Denmark | And 8 more authors.
Journal of Materials Chemistry A | Year: 2013

Organic photovoltaic modules have been evaluated for their integration in mobile electronic applications such as a laser pointer. An evaluation of roll-to-roll processed indium and silver free polymer solar cells has been carried out from different perspectives: life cycle assessment, cost analysis and layer quality evaluation using inline optical and functional inspection tools. The polymer solar cells were fabricated in credit card sized modules by three routes, and several encapsulation alternatives have been explored, with the aim to provide the simplest but functional protection against moisture and oxygen, which could deteriorate the performance of the cells. The analysis shows that ITO- and silver-free options are clearly advantageous in terms of energy embedded over the traditional modules, and that encapsulation must balance satisfying the protection requirements while having at the same time a low carbon footprint. From the economic perspective there is a huge reduction in the cost of the ITO- and silver-free options, reaching as low as 0.25 € for the OPV module. We used inspection tools such as a roll-to-roll inspection system to evaluate all processing steps during the fabrication and analyse the layers' quality and forecast whether a module will work or not and establish any misalignment of the printed pattern or defects in the layers that can affect the performance of the devices. This has been found to be a good tool to control the process and to increase the yield. This journal is © The Royal Society of Chemistry 2013. Source

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