news digest ♦ LEDs
it enables. It also means a reduced bill of materials, simplified supplier management and easier assembly for our customer.”
Cambridge Nanotherm’s core IP is a unique process for converting aluminium into alumina. The process allows the surface of any aluminium object to be converted into a dielectric layer.
Pavel Shashkov. “Working with Optocap we were able to demonstrate that our product has clear technological advantages as well as real commercial benefits. We believe that this technology will change the rules of the game for manufacturers not just in the LED field but in the electronics industry as a whole”.
Tridonic to slash magnetics jobs and focus on LEDs
The firm is to withdraw from the magnetics sector due to EU legislation which is expected to come into force from 2017
Tridonic is to pull out of the magnetic ballasts and transformers business with effect from December 30th, 2013.
With a proactive schedule of measures, the company is generating the necessary response to the restrictions that EU legislation will impose on inefficient magnetic technology from 2017 onwards.
Cambridge Nanotherm & Optocap exploded LED module
In the case of the Chip-on-Heatsink approach, an extruded heat sink or heat pipe can be coated and then metallised with the end user’s circuit design. Nanotherm’s technology enabled Optocap to utilise its manufacturing processes and allow direct assembly of die and surface mount components onto the heat sink, creating a fully integrated module.
This approach gives a number of benefits for LED lighting customers. For those using conventional PCB materials and heat sinks, the advantages are three-fold.
Firstly, a cost reduction is seen by the removal of both the MCPCB and thermal interface material (TIM) components.
Secondly, the removal of these layers give the most efficient thermal path between component and heat sink.
Finally, as a result of minimising thermal resistance, denser component layouts can be realised. For those using thick-film or thin-film metallised alumina and AlN ceramic heat sinks, the cost reduction is even more significant, while bulk thermal performance of the aluminium heat sink matches one made from AlN.
“We are very pleased to have Optocap as the world’s first commercial customer for the first ever Chip-on- Heatsink product,” says Cambridge Nanotherm CEO,
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www.compoundsemiconductor.net July 2013
With the withdrawal from the magnetics business Tridonic is also ensuring a smooth transition for its customers, who have the option of placing final orders until November.
At the same time, the Tridonic sales organisation will also be supporting customers as they convert to more efficient electronic ballasts.
“Today’s decision means that we will be able to focus more strongly than ever on LED technology,” says Tridonic CEO Alfred Felder. “Over the 2012/13 financial year we were able to increase the proportion of revenue accounted for by LED products to 18.9 percent. Right now we are about to launch a new generation of LED converters in what will be one of our most important core projects at Tridonic in 2013/14.”
For several years now the ongoing decline of magnetics technology has been reflected in falling revenue: between the 2007/08 and 2012/13 financial years. During this period, revenue from the sale of magnetic ballasts fell by 60 percent.
In the 2012/13 financial year, magnetics accounted for just 9.4 percent of Tridonic’s total revenue of €377.7 million. In view of the poor energy efficiency of magnetic ballasts, the EU has acted through the Ecodesign Directive ErP to impose restrictions on the sale of these components from 2017 onwards.
“For several years now we have known that it was only
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