Patent ID: 7268554

Claim:
An RF coil for use in an imaging system including: a cavity formed as a conductive enclosure defined by an outer wall, an inner wall, a first end wall and a second end wall, said inner wall defining a sample-receiving chamber, said first end wall being open adjacent said chamber to provide access thereto, and said second end wall being closed to seal the chamber at its second end, the closed second end wall functioning as an RF mirror; at least one electrical conductor for each of said walls, electrical conductors on adjacent walls being electrically coupled to form at least one continuous electrical path around the cavity; and a port through which RF signal is applied to at least one said electrical path; and further wherein the electrical conductors for each said wall are slotted to form a pattern of conductive lands on each wall, the pattern on said second end wall being a radial slotting pattern covering at least most of said wall.