Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
  • H01J1/02—Main electrodes
  • H01J1/32—Secondary-electron-emitting electrodes
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
  • H01J9/02—Manufacture of electrodes or electrode systems
  • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
  • H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J2201/00—Electrodes common to discharge tubes
  • H01J2201/32—Secondary emission electrodes

Landscapes

• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Discharge Lamp (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6546799

Family Applications (1)

Country Status (3)

• 0
  • NL NL53852D patent/NL53852C/xx active
• 1937
  • 1937-12-10 FR FR830620D patent/FR830620A/fr not_active Expired
  • 1937-12-13 GB GB34470/37A patent/GB507589A/en not_active Expired

Also Published As

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