Thermal precision from -70°C to +450 °C With more than 10 years of experience in developing thermal chuck systems for wafer prober we seek answers required to develop top of the line solutions. Thermal chuck systems that combine uncompromising performance with exceptional specifications. By focusing on customer satisfaction and technology innovation our products are designed to be the highest quality in their class and revolutionary in their effect. Our vigorous pursuit of technology is the base of ATT Systems GmbH. But technology for its own sake has no place in our products. Our development of innovative systems and materials is fueled by one goal - to create the best att-chuck systems for a competitive price.