Materials and methods for higher performance screen-printed flexible MRI receive coils.

ABSTRACT:

Purpose

To develop methods for characterizing materials used in screen-printed MRI coils and improve signal-to-noise ratio (SNR) with new lower-loss materials.

Methods

An experimental apparatus was created to characterize dielectric properties of plastic substrates used in receive coils. Coils were fabricated by screen printing conductive ink onto several plastic substrates. Unloaded and sample loaded quality factor (Q_Unloaded /Q_Loaded ) measurements and scans on a 3T scanner were used to characterize coil performance. An experimental method was developed to describe the relationship between a coil's Q_Unloaded and the SNR it provides in images of a phantom. In addition, 3T scans of a phantom and the head of a volunteer were obtained with a pr

SUBMITTER: Corea JR 

PROVIDER: S-EPMC5344778 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature