Glass-to-metal Seals (GTMS)

Glass-to-metal seals are a type of mechanical seal which joins glass and metal surfaces. The seal is hermetic (capable of supporting a vacuum, good electrical insulation, special optical properties e.g. UV lamps).Glass-to-metal seals are widely used in the construction of vacuum tubes, electric discharge tubes, incandescent light bulbs, glass-encapsulated semiconductor diodes, reed switches, glass windows in metal cases, and metal or ceramic packages of electronic components.