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news digest ♦ Equipment and Materials


the purpose of sensor temperature compensation. The fast, 11-bit A/D converter can either process the measurement values directly or as the difference between two conversions.


The measurement values are output through a ratiometric, differential analogue output. Alternatively, the SPI interface implemented for chip configuration can be used to scan the measurement value and system state through a microcontroller.


Error states and error thresholds can be defined to monitor and diagnose the sensor and chip. These are output through an open collector switching output or the SPI interface.


iC-HO has an internal reference voltage and can output internal analogue signals and the bias current to standard signal pins for calibration.


iC-HO operates from 4.5 V to 5.5 V within a temperature range of -25°C to +104°C. At 5 mm x 5 mm x 1 mm the 32-pin QFN package is extremely compact and has a very good heat dissipation.


The design-in process is supported by ready-to- operate demo boards and software for evaluation with a PC.


Riber makes peace in litigation


The MBE system manufacturer has remained quiet about the terms of the agreement


Riber and the parties in the dispute subject to the Pontoise commercial court ruling of December 11th, 2012 have signed settlement agreements under which they will not appeal against this ruling.


Litigations between the parties are now settled. Outlook


Riber revenues rescued by research lab sales


The company says the €27.4 million in revenues for 2012 were in line with objectives


200 www.compoundsemiconductor.net January/February 2013


During the last quarter of 2012, Riber recorded orders for three systems for research laboratories in the US and Austria.


On December 31st, 2012, the order book represented €12.1 million (€19.4 million one year earlier). It includes 11 MBE research systems to be


MBE system manufacturer Riber has reported €27.4 million in revenues for 2012, driven by system sales to research laboratories.


Revenues for the fourth quarter of 2012 came to €10.7 million, compared with €10.5 million for the fourth quarter of 2011.


In 2012, the decline in sales of cells and sources was offset by the growth in MBE activity.


During 2012, Riber invoiced and delivered 17 MBE machines compared with 10 in 2011. With 15 systems in 2012, deliveries to research laboratories climbed to an all-time high.


Sales of services and accessories, supported by a commercial recovery plan launched at the end of 2011, were up by 9 percent. This confirmed an upturn in business during the second half of the year.


However, sales of evaporation sources and cells declined due to low investments for OLED production.


On December 31st, 2012, the breakdown of Riber’s revenues in terms of percentage are shown below.


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