Ion Beam Applications SA engages in the design, manufacture, and marketing of cancer treatment and diagnosis equipment. It operates through the Proton Therapy and Other Accelerators; and Dosimetry segments. The Proton Therapy and Other Accelerators segment include development, fabrication, and services associated with medical and industrial particle accelerators and proton therapy systems. The Dosimetry segment comprises activities that offer a full range of solutions and services that maximize efficiency and minimize errs in radiation therapy and medical imaging quality assurance and calibration procedures. The company was founded by Yves Jongen on March 28, 1986 and is headquartered in Louvain-la-Neuve, Belgium.