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magnetic resonance imaging

BD-09: Developing a procedure for the manufacture of superconductive contacts for new magnetic resonance imaging scanners

The MRI systems currently in use contain around 1 000 liters of liquid helium to cool the superconductive magnets. If cooling were possible with significantly less helium, there would be no need for the pressure vessel. The systems' inner bore could be larger, bringing benefits to both patients and staff. This goal can be achieved by using magnet wires with the new superconductive material MgB2. It works at much higher temperatures than conventional superconductors, thus making cooling easier.

BD-07: Open and quiet MR tomographs by new coil and gradient technology

This project deals with two issues relating to MR tomography which the patient views as bothersome. In current MR systems, MR signals are received by small local coils. Placing these local coils and keeping them in position takes time and is unpleasant for the patient. Development of an RBA (remote body array) will make local coils unnecessary for many examinations.

The second point is that the gradients induce magnetic eddy currents in the MRT magnetic system during an MR measurement; these are very noisy for the patient.