Beam generating system for electron tubes, particularly travelli

Cathode assembly

Cathode for an electron gun

Cathode ray tube

Cathode ray tube having an improved indirectly heated...

Cathode structure and electron gun for cathode ray tubes

Cathode structure for an electron tube

Cathode structure for an electron tube and method of constructin

Cathode structure for cathode ray tube

Cathode structure for electron tube

Dispenser cathode

Dispenser cathode structure for use in electron gun

Electron gun

Electron gun design using a lanthanum hexaboride cathode

Electron gun for cathode ray tube with improved cathode structur

Electron gun structure including cathode support strap with...

Fast warm up cathode for a cathode ray tube

High thermal efficiency dispenser-cathode and method of manufact

High-yield cathode body, cathode sleeve structure, and...

Impregnated cathode structure