Danfysik A/S is an internationally recognized Danish developer and manufacturer of high-precision accelerator magnet systems, specialized power converters, and complete particle accelerator hardware. Founded in 1964 and headquartered in Taastrup, Denmark, Danfysik operates as a wholly owned subsidiary of the Danish Technological Institute (Teknologisk Institut).
The company pioneers permanent magnet accelerator technology, highlighted by its patented Green Magnet® technology developed using rare-earth NdFeB permanent magnets integrated into soft iron yokes. Danfysik supplies physics research facilities, synchrotron light sources, medical particle therapy centers, and industrial beamlines globally.