Cathode ray tube resistance of ruthenium oxide and glass contain

Cathode ray tube second electrode having rectangular projecting

Cathode ray tube with electrostatic multipole focusing lens

Cathode ray tube with improved cathode structure

Cathode ray tube with improved focusing characteristics

Cathode ray tube with laminar cathode support

Cathode ray tube with spherical aberration correction means

Cathode structure

Cathode structure and CRT electron gun adopting the same

Cathode structure and electron gun for cathode ray tube using th

Cathode structure for a cathode ray tube

Cathode structure for a cathode-ray tube

Cathode structure for an electron tube

Cathode structure for electron gun

Cathode support means in electron gun structure of a cathode ray

Cathode support structure for magnetron

Cathode support structure of an electron gun for a cathode ray t

Cathode suspension means for cathode ray tube electron gun

Cathode-G.sub.1 spacing material and method of application

Cathode-ray tube