Abstract #1797
MEMS Reconfigurable Coils
Selaka B Bulumulla 1 , Eric Fiveland 1 , Keith Park 1 , and Joseph Iannotti 1
1
GE Global Research, Niskayuna, New York,
United States
MR compatible micro electro-mechanical switches (MEMS)
have the potential to reconfigure coils on-the-fly by
enabling/disabling conducting paths and/or circuit
components. In this work, we demonstrate the feasibility
of reconfiguring (1) coil geometry to switch field of
view (FOV) and (2) coil frequency to image multiple
nuclei. The geometry reconfiguration (15cm x 11cm vs 8cm
x 11cm coil) was realized with two MEMS and frequency
reconfiguration (64MHz vs 16MHz) was realized with one
MEMS. In each case, two additional MEMS were used in
impedance matching circuits to transform coil impedance
at each configuration to 50 ohms.
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