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On-chip three dimensional microcoils for MRI at the microscale

2010; Royal Society of Chemistry; Volume: 10; Issue: 11 Linguagem: Inglês

10.1039/c000840k

1473-0197

Vlad Badilita, K. Kratt, Nicoleta Baxan, M. Mohmmadzadeh, Tobias Burger, Hans Weber, Dominik von Elverfeldt, Jürgen Hennig, Jan G. Korvink, Ulrike Wallrabe,

Innovative Microfluidic and Catalytic Techniques Innovation

We present for the first time a fully MEMS-integrated technology to manufacture 3D geometrically perfect solenoidal microcoils for microscale MRI applications. We report 25 µm isotropic resolution MR images of a copper sulfate aqueous phantom. These images are acquired using microcoils with 5 windings of insulated 25 µm diameter Au wire and with quality factors as high as 46 at the operating frequency (400 MHz).