Products BerylliumBeryllium AcousticsAcoustic Domes and RibbonsTruextent SSX Diaphragm Beryllium X-ray Window AssembliesX-ray IF-1 X-ray IS-50M X-ray PF-60 X-ray PS-200 Vacuum - UHV AssembliesBeryllium Beam PipesCF Flange AssembliesCatalog CF Flange AssembliesCustom Engineered CF Flange AssembliesUHV Research Chambers Materion BrandsIF-1®IS-50M®PF-60®PS-200®SSX™Truextent® ServicesTechnologiesMarketsResource CenterAboutContact Us ElectrofusionFounded in 1966, trusted provider of beryllium x-ray window products, UHV assemblies and Truextent® brand Acoustic Beryllium. Industry Leader in x-ray technologies Learn More Grasp the Advantage Learn More Specialized Engineering Expertise Learn More Truextent Brand Acoustic Beryllium Learn More 1 2 3 4 Featured Products Beryllium X-ray Truextent Brand Acoustic Beryllium UHV Assemblies Featured Markets Medical X-ray Acoustics Featured Services Electron Beam Welding Vacuum Furnace Brazing Machining