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Fraunhofer IBMT > Fields of Work > Ultrasound > Active Materials
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Active Materials
Contact:
Dr. Frank Tiefensee
Phone +49 6894 980-270
Fax +49 6897 980-400
frank.tiefensee@
ibmt.fraunhofer.de
Fraunhofer-Institut für Biomedizinische Technik IBMT
Ensheimer Straße 48
66386 St. Ingbert
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The group „Active Materials“ works on the field of material science for applications in the ultrasound technology. The group adapts existing materials and develops new materials and new technologies like laser writing for the construction of modern ultrasound systems.
While the adaption of existing materials and the development of new technologies are accomplished by the group itself, the development of new materials is also arranged with leading institutes in material science.
The motivation to establish a material science-oriented group within the department of ultrasound was given by the enlargement of the frequency range to the region of gigahertz. This frequency range enables an improvement of the spatial resolution of diagnostic systems for ophthalmology, dermatology and the diagnostic of vascular walls and the development of scanning acoustic microscopy.
Within the development of these diagnostic systems new materials doped with nanoscale particles show promising specifications, because physical parameters like the speed of sound, the dampening and the acoustical impedance can be adjusted by the content of nanoparticles and the chemical sythesis.
Beside applications in the high frequency ultrasound these nanodoped materials have advantages for applications in the technology of conventional ultrasound, i.e. the adjustable rheology during the synthesis of the materials.
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