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Material Mixing and Dispensing Prove Key for LED Production Quality


Material mixing and dispensing proved key to LED production quality at LED manufacturer Plessey Semiconductors, who successfully moved from development (using manual methods) to full production, by employing automated mixing and dispensing technologies from Intertronics.

Kidlington, United Kingdom, April 24, 2015 --(PR.com)-- British LED manufacturer Plessey Semiconductors have successfully made the transition from the manufacturing development phase (where manual methods of material preparation and application often suffice) to full production by employing automated mixing and dispensing technologies from Intertronics.

Carl Withers, Plessey’s Assembly Development Team Leader, explained: “We develop leading edge LED technologies, based on Plessey’s MaGIC platform, for a wide range of applications - from standard consumer products to more demanding, application specific and chip scale packages. The LEDs emit a blue light and through a silicone and phosphor mixture, convert this blue emission to white light. The constant and accurate mixing of this mixture is key to target specific colour temperature and rendering.”

David Peat, Product Specialist at Intertronics, worked with Plessey to recommend mixing and dispensing equipment for the LED phosphors. The Thinky ARV-310 LED benchtop mixer is a non-contact planetary mixer which mixes, dispenses and degasses according to programmable mixing profiles. It includes an integral vacuum during the mixing process to ensure no air entrapment, and is specially geared to homogenously mix into liquids heavy fillers such as the phosphor used by Plessey Semiconductors. “I recognised that our Thinky ARV-310 LED with vacuum and heavy filler capability would provide the high level of air-free mix consistency of the silicone and phosphor, which is required for optimal performance of the completed LED components.”

Intertronics also recommended a Fisnar F7300NV robotic dispensing system for application of the mixed phosphor to the LED assemblies. To help with location accuracy, it has a camera based vision with a resolution of 0.001mm.

Carl Withers concluded, “The Thinky mixer and Fisnar robotic dispenser enabled us to achieve high accuracy process windows, due to the consistency of the mix and the positioning of the dispense, which are both critical to the light output.”

For further information please see www.intertronics.co.uk/vacuum-mixers or visit their blog at www.adhere.uk.com – also see www.youtube.com/intertronicsadhere.

Plessey’s MaGIC™ (Manufactured on GaN-on-Si I/C) High Brightness LED (HBLED) technology has won numerous awards for its innovation and ability to cut the cost of LED lighting by using standard silicon manufacturing techniques. For further information and datasheets, please visit the Plessey website, www.plesseysemiconductors.com or send an email to enquiries@plesseysemi.com.
Contact Information
Intertronics
Peter Swanson
01865 842842
Contact
www.intertronics.co.uk

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