A 7T microstrip RF coil was designed based on the Tic-Tac-Toe (TTT) concept that has previously shown homogeneity and load-insensitivity. Simulations were performed to compare B1+ distributions between the microstrip TTT and standard TTT coils. A 4-channel microstrip coil was assembled and B1+ maps were acquired at 7T. Nearly equivalent B1+ distributions were observed, indicating the potential for using a highly dense microstrip array to provide excellent homogeneity and reduction of SAR while enabling unique designs, such as conforming to the anatomy of interest.
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