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Nano for the senses
Date:2/2/2010

, incidentally, was developed by experts at the Fraunhofer Institute for Applied Optics and Precision Engineering IOF in Jena. Popall: "Thanks to close collaboration among chemists at ISC and the physicists and engineers at IOF, we have succeeded in developing ORMOCER tandem arrays with two-sided and symmetrically arranged micro-lens configurations, which allow the light from light diodes to be projected with pinpoint accuracy and without refraction errors." The new technology has meanwhile reached the verge of market introduction.

Nanotechnology not only puts an entirely new dimension before the eye, it also makes audible things that no ear could ever perceive before: like changes in temperature. A new varnish developed by researchers at the Fraunhofer Institute for Engineering and Automation IPA ensures that surfaces emit sound if they become warmer or cool off. The trick: carbon nano-tubes embedded in the varnish that conduct electricity: If a surface is coated with this varnish, then it can be heated up by application of an electric current. This change in temperature is audible because the warming up surface makes the air around it vibrate. "And this is only one of a myriad of conceivable innovative applications. The surface coating is likewise capable of heating large surfaces and surfaces of complex shape, and in the future, conceivably it can be used as a multifunctional coating for heating, or as a resistance sensor, or as a coating for color displays," says Ivica Kolaric, head of department at IPA.

"The interdisciplinary nature of Fraunhofer is its strength," concludes Popall. The 59 institutes that collaborate within the Fraunhofer Gesellschaft cover a truly broad spectrum from materials to technology and design, through to processes and the resulting applications. At nano tech 2010 in Tokyo, ISC presents an array of optical materials, ranging from glasses to ORMOCERs and their nanotechnology, to plastics. IOF contributes high-precision
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Contact: Dr. Michael Popall
michael.popall@isc.fraunhofer.de
49-931-410-0522
Fraunhofer-Gesellschaft
Source:Eurekalert

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