Portable NMR measuring device

摘要

Eight rare earth permanent magnets (1) are arranged as an octagonal tube contained by hoops (11) of low electrical conductivity. The magnetic field is directed at 45 degrees to the main axis (A) towards a target (20). A hemispherical antenna (15) is located within the octagonal tube and is able to transmit and receive electromagnetic radiation. The working face (19) is made from an remagnetic dielectric and the cap (18) from an remagnetic conductor