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2400 Philmont Ave. PO Box 662 Huntingdon Valley, PA 19006 U.S.A. Phone: (215) 938-4400 Fax: (215) 947-7464 Email: techin@etigauges.com

Stem assemblies are used in sophisticated glass products such as cathode ray tubes, X-ray tubes, image intensifiers, laser and infrared detectors and photo-multipliers, along with other components for electronic devices. Stem assemblies consist of a glass wafer containing a series of hermetically sealed leads and, as required, glass tubulation. Glass header assemblies are critical components used in the evacuation and getter-firing of electron and power tubes. ETI offers an unlimited variety of press stems with various diameters and pin configurations. Materials often specified for this glass sealing include kovar, tungsten, Sylvania #4, Kulgrid and molybdenum. About the Company | ETI Gauges: Principles of Operation | Ionization Gauges | Special ETI Gauges | OEM and Custom Designs Configurations of Standard Gauges | Earlier Model Gauges | Replacement Filament Assemblies | ETI Custom Filaments | ETI Stems | | Contact ETI | Return Home | ©1999 ETI