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Abstract #4090

Assessment of planar coil noise performance with discrete uHDC material

Christopher T Sica1, Navid Pourramzan Gandji2, and Qing X Yang2
1Radiology, PennState University College of Medicine, Hershey, PA, United States, 2Neurosurgery, PennState University College of Medicine, Hershey, PA, United States

A study of the noise performance of a planar coil array in the presence of ultra-high dielectric constant (uHDC) material was undertaken. We measured changes in the noise standard deviation and correlation matrix of a 4 channel flex array due to manipulation of uHDC block locations, with blocks either fully overlapping a single channel or straddling two channels. Overlapping a block with a coil element increased the noise of that element, while reducing next-neighbor noise correlations. Further research into this effect could lead to the design of more optimal dielectric configurations that achieve greater SNR.

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