Comet Group


The Comet Group is a worldwide leading, innovative Swiss Technology firm with focus on x-ray, radio frequency and ebeam. With high-quality high tech components and systems we support clients from different industries in improving and evolving their products and processes. The innovative solutions provided under the brands of COMET, YXLON and ebeam are used e. g. in material and security inspection, surface coating and treatment as well as in non-contact sterilization.

The COMET AG has its headquarters in Flamatt in Switzerland and is active on all world markets. We employ over 1400 people worldwide, roughly 440 in Switzerland. Besides production sites in China, Germany, Denmark, Switzerland and the U.S. we run several subsidiaries in the U.S., China, Japan and Korea. COMET stock (COTN) is traded at SIX Swiss Exchange.

Key Contacts

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Comet Group


X-ray components and systems for industrial applications Radio frequency components for plasma control in semiconductor industry Electron beam components and systems for material treatment like sterilization and curing

Contact Us

  • UNITECH Office +41 44 632 0970

  • UNITECH Alumni Association

  • Mailing Address

    c/o Bereich Rektorin, ETH SOX B12, Sonneggstrasse 74
    8092 Z├╝rich Switzerland