US Patent Issued on Aug. 5 for "Active reduction of temperature induced shim drift in NMR magnet systems" (Swiss Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,436, issued on Aug. 5.

"Active reduction of temperature induced shim drift in NMR magnet systems" was invented by Robert Schauwecker (Zurich, Switzerland), Pierre-Alain Bovier (Zurich, Switzerland), Michele Zaffalon (Zurich, Switzerland), Nicolas Freytag (Binz, Switzerland) and Roger Meister (Hinteregg, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An NMR apparatus having a magnet coil system for generating a homogeneous magnetic field comprises a superconducting magnet arranged within a vacuum vessel in the cold region of a cryostat, and a shim system containing shim elements arranged outside the vacuum vessel. The superconducting magne...