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Solar ♦ news digest


Dave Pearce, president and CEO of NuvoSun said that “the team at Vistrian has worked closely with us to implement their system to meet our specific needs and work with us every step of the way. Vistrian’s short implementation time has allowed us to bring up our process in record time while being scalable to our future needs. We are confident with Vistrian’s software we can run a consistent process at any factory location throughout the world.”


FactoryLOOK is used as a tool to integrate all processes and equipment data and to provide access to all users using a web browser. This includes the Facility, Environmental, Tooling, Test Equipment, Flat Files, Legacy systems (MES, ERP) and Operator interfaces. FactoryLOOK’s tool set features provide analysis, alerts, dashboards and reports using the integral rules engine in real-time, thus providing the user with timely information to optimize operations and processes. Vistrian says its customers have reported significant improvements in utilisation and yields. FactoryLOOK has also found a common application for the monitoring of offshore manufacturing sites and vendors.


Vistrian claims the FactoryLOOK has proven invaluable with its user base both in high volume and pilot production environment. It has helped to increase yields, reduce process and development time and increase process uptime through significantly increased visibility to the process and the variables that affect it.


Magnolia Solar explores new limits on solar cell performance


The firm’s aim is to increase both the current and voltage output of single-junction compound semiconductor cells


Roger E. Welser, Chief Technology Officer of Magnolia Solar, Inc., presented an invited paper


January / February 2012 www.compoundsemiconductor.net 165


at a SPIE Photonic West Conference on the Physics, Simulations and Photonic Engineering for Photovoltaic Devices.


The presentation, entitled “Exploring the Radiative Limits of Dark Current Operation in InGaAs Quantum Well Solar Cells,” was made on January 23, 2012 in San Francisco, as part of a special session on Quantum Well and Superlattice Solar Cells.


Welser stated, “Magnolia Solar has developed a novel device structure that suppresses undesirable recombination events, enabling photovoltaic devices to reach new levels of performance. To better design and realise ultra high efficiency solar cells, we continue to explore the underlying physical mechanisms controlling the power output. The aim of our ongoing work summarised at the SPIE conference in San Francisco is to increase both the current and voltage output of single-junction cells by employing a quantum-structured active region and advanced light-trapping strategies. With this patent-pending approach, we expect to demonstrate high solar electric conversion efficiency over a wider range of operating conditions.”


Ashok K. Sood, President and CEO of Magnolia Solar Corporation, stated, “Photovoltaic devices can provide a mobile source of electrical power for a variety of commercial and defense applications in both space and terrestrial environments. Many of these applications can directly benefit from enhancements in the efficiency of the photovoltaic devices. Magnolia Solar is developing and commercializing revolutionary new thin-film solar cell technologies employing nanostructured materials. In collaboration with our partners, we intend to update our shareholders as we continue the development effort for next generation high performance solar cells.”


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