COMET Holding AG manufactures x-ray apparatus and tubes. It operates through the following segments: The X-Ray and ebeam Technologies, The Plasma Control Technologies, and The X-Ray Systems. The X-Ray & ebeam Technologies segment develops, manufactures and markets metal ceramic x-ray sources for non-destructive testing and security inspection, as well as ebeam engines for the environmentally friendly sterilization of surfaces. The Plasma Control Technologies segment develops, manufactures and markets vacuum capacitors, RF generators and RF impedance matching networks for the high-precision control of plasma processes required. The X-Ray Systems segment develops, manufactures and markets stationary and mobile x-ray systems and services for non-destructive testing using x-ray and microfocus technology and computed tomography. The company was founded by Gerhard Steck in 1948 and is headquartered in Flamatt, Switzerland.