IEC 60050-531:1974

Foreword
Preface
Introduction
SECTION
531-11 to 531-18 - Basic terms
531-11 General tube classification
531-12 Emission and space charge
531-13 Discharge in a gas
531-14 Beam focusing and deflection
531-15 Tube noise
531-16 Current, voltage and power
531-17 General properties and quantities other than
       current, voltage and power
531-18 Characteristics and conditions of operation
531-21 to 531-23 - Construction
531-21 Electrode (general), elements and emitting electrodes
531-22 Controlling and collecting electrodes
531-23 Structure (envelope, gun and accessories)
531-31 to 531-35 - Types of tubes
531-31 Space-charge-controlled tubes and diodes
531-32 Space-charge-wave tubes and space-charge-controlled
       microwave tubes
531-33 Cathode-ray tubes and storage tubes
531-34 Photosensitive tubes
531-35 Gas-filled tubes
531-41 to 531-47 - Properties and quantities
531-42 Cathode-ray tubes
531-43 Storage tubes
531-44 General properties and quantities of photosensitive
       tubes
531-45 Camera tubes
531-46 Gas-filled tubes other than radiation-counter tubes
531-47 Radiation-counter tubes
Index

It has the status of a horizontal standard in accordance with IEC Guide 108.