PRACTICAL ASPECTS OF SHIELDED GRADIENT-COIL DESIGN FOR LOCALIZED IN-VIVO NMR-SPECTROSCOPY AND SMALL-SCALE IMAGING

For a number of NMR applications the availability of screened gradient s is crucial to minimize the effect of eddy currents on the NMR signal . In this paper we review two types of shielded gradient design: the t arget field and minimum inductance methods. The two designs are compar ed and construction details are presented. A novel coil design constru cted with a double-sided primary and a single layered screen is outlin ed. Experimental results for both target field and minimum inductance coils are presented and compared.