H01J 1/146

Technology



back to "H01J 1/146" profile

More Results

Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9502201 Tungsten electrode material and thermionic emission current measuring deviceDec 08, 09Nov 22, 16A.L.M.T. CORP.
9490098 Thermal-field type electron source composed of transition metal carbide materialJan 11, 16Nov 08, 16Applied Physics Technologies, Inc.
9240301 Thermal-field type electron source composed of transition metal carbide material with artificial facetMar 27, 13Jan 19, 16Applied Physics Technologies, Inc.
9236212 Tungsten wire, cathode heater and vibration service lamp filamentMay 15, 12Jan 12, 16KABUSHIKI KAISHA TOSHIBA
7375460 Electron emitting device and method of manufacturing the sameJun 04, 03May 20, 08KABUSHIKI KAISHA TOSHIBA