Apparatus for generating and detecting magnetic field components oscillating at a radio frequency in a direction transverse to a static magnetic field in a nuclear-magnetic-resonance (NMR) system. The apparatus has a plurality of conductive elements spaced from one another and from the axis along which...http://www.google.com/patents/US4439733?utm_source=gb-gplus-sharePatent US4439733 - Distributed phase RF coil
