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Abstract #4505

Development of high impedance microstrip resonators for ultrahigh field MR imaging

Tianyu Gao1 and Xiaoliang Zhang2
1Biomedical engineering, University at buffalo, buffalo, NY, United States, 2Biomedical Engineering, University at buffalo, buffalo, NY, United States


Microstrip resonator has been used as the radio frequency (RF) transceiver for magnetic resonance signal excitation and reception. Its application in parallel imaging could achieve faster imaging speed and better image quality. Mutual coupling is one of the major challenges in designing a multichannel RF transceiver array required in parallel imaging technology. The mutual coupling among the array elements causes resonant frequency shift, input impedance changes, and radiation pattern change, and thus degrade the imaging quality.

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