The GIESS GmbH manufactures and develops radio frequency ion sources and engines, which are designed for the application in coating, refinement, structuring and edging devices, for example in ion beam sputtering maschines (IBS). Further more the GIESS company offers individual support and construction services around the topics high vacuum facilities and vacuum and plasma diagnostics. Based on the long term experiences in constructing, testing and evaluating ion sources and engines and as well of vacuum facilities, the customers can benefit from these experties to raise the bar in their individual context.