"Nano" is a key-word for promising new technologies and for some time has been the great white hope for developments to come in science and for applications opening new opportunities.
You cannot see, touch, or directly grasp "Nano" but spectacular progress with improved product properties are expected soon. The „Lotus blossom effect" is already generally known and applied as it provides practically non-wetting surfaces for hygiene-ceramics allowing for new and very comfortable cleaning standards.
Enormous efforts and input are requested before a new technology is established in a sustainable way. Trying to achieve broad acceptance is important if public funds have been applied for basic research and pioneering applications. Thus Walter Hirche, minister of economy, labour, and traffic of Lower Saxony sends the following note to the Nano- and material innovation Niedersachsen e.V. (NM|N) on the occasion of the Nano workshop 2007:
"Ultra-thin films and Nano materials show steadily increasing potential for application in numerous industrial sectors. Primarily traffic engineering, air, and space technology, but also mechanical engineering as well as medical technology cash in on Nano technology. Films of nanometric scale can create self-cleaning surfaces, optimise solar cells, or serve as basis for innovative sensors. Carbon Nano-tubes, composites with additional properties can be customer tailored with just tiny amounts of Nano particles. With this year’s Nano workshop, which for the first time is organised together with the former "Congress Industrielle Oberflächentechnik" (CIO), the state sponsored initiative Nano and Material Innovations Niedersachsen offers product mangers, developers, researchers and other decision makers again the opportunity for information on latest developments and applications. Thus an essential contribution is made for further cross-linking between all involved parties and also fort he implementation of thin films and Nano materials to industrial application." |
During this 2007 Workshop from November 6 – 7 at TU Clausthal NM|N has arranged a competition „Nano illustrated“ to make the magic of the invisible visible! Sympatec voluntary followed this request of NM|N and has made available its Shamrock of Technologies.
How can the idea of the competition be transformed in a Nano adequate way with the Shamrock of Technologies?
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In the red quadrant the original photo of a diffraction event can be seen, as it occurs if particles fly through a red laser beam. The white dot in the centre is generated through over-exposure as a result of too much laser light. The corona of diffraction around the central spot shows isolated white and overexposed areas, diminishing to the outwards direction and mixing with underexposed black areas, growing to the outwards direction. Physics calls this phenomenon „speckles“. In the transition from the bright central speck to the blurredly exposed outer areas a radial symmetric pattern of changing red and white circular segments can just be spotted, the innermost of which is clearly and distinctively visible. It is known to everybody who has dropped a stone in still water as radial symmetric wave, which is spreading out from the dipping point in larger and larger circles ebbing away at the same time. The distance of the stone’s dipping point to the first wave minimum is the measure for its size. Sympatec uses this effect since nearly 25 years successfully to produce particle size instruments with laser diffraction. |
The green quadrant has been created graphically from the red with simple change of colours. It represents Image Analysis, which in reality uses green laser light not only for particle size but also for the determination of its shape. This works for particles from 1 micron und bigger, moving at a speed of up to 100 m/s and being captured 450 times per second. This opens up Dynamic Image Analysis to a new dimension of performance believed un-achievable.
The colour change to the blue stands for applications in water and liquids for which interactions of particles generate that no longer related to light but to waves in the ultrasound range. This allows us to penetrate further to the close to Nano regime.
The yellow coloured quadrant exclusively represents Nano. The analysis technique for quality control in this sector has to revert to the Brownian Motion to determine the nanometric size distribution of the analysed samples from the delay of two noisy laser signals subjected to auto- or cross-correlation evaluation.
This is how „Nano“ did fit in the picture!
Sympatec like to thank Nano- und Materialinnovationen | Niedersachsen e. V. (NM|N) and the Giesel publisher and shall publish the award in their journal "Automotive/Composite Materials".
Clausthal, 14 November 2007
signed by Dr. E.h. Stephan Röthele
Managing Director
The award ceremony took place on November 7 in the auditorium of the Technical University of Clausthal, Germany.
Dr. Andreas Baar (left hand side), Anja Eppert and Dr. Stephan Röthele
Photo: Sympatec GmbH
Sympatec Collage wins 1st price
The federal initiative "nano and material innovations" brings econony and research together.
Dr. Stephan Röthele (left hand side) receives the award from the hands of Anja Eppert and Dr. Andreas Baar.
Photo: Goslarsche Zeitung, Ebeling.
CLAUSTHAL-ZELLERFELD
The company Sympatec, System-Partikel-Technik, located in Clausthal-Zellerfeld has received the 1st prize of the photo competition "Nano im Bild". The prize was awarded in the framework of the Nano Workshop 2007 in the auditorium of the Technical University of Clausthal.
Article of the Goslarsche Zeitung of 8 November 2007 (in German language).
Press release of the Technical University of Clausthal.
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