Glass-to-metal seals (GTMS) and SCHOTT CerTMS^® ceramic-to-metal seals are vacuum-tight assemblies of glass or ceramic with metal to feed electrical signals through the walls of hermetically sealed packages. Glass-to-metal seals and ceramic-to-metal seals have proven to be successful in electronic and electrical engineering and cover a wide range of applications.

Our flexible package designs, available with glass or ceramic hermetic feedthroughs, ensure excellent electrical properties, superb hermeticity and insulation as well as high corrosion resistance and protection against moisture. Please refer to the following pages for more information.