Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
  • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
  • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
  • H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
  • H01B3/085—Particles bound with glass
• • 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
  • H01J1/13—Solid thermionic cathodes
  • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment

Landscapes

• Chemical & Material Sciences (AREA)
• Inorganic Chemistry (AREA)
• Solid Thermionic Cathode (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6344087

Family Applications (1)

Country Status (5)

Families Citing this family (3)

• 0
  • BE BE379240D patent/BE379240A/xx unknown
  • NL NL36929D patent/NL36929C/xx active
• 1931
  • 1931-04-23 FR FR715895D patent/FR715895A/fr not_active Expired
  • 1931-04-24 US US532480A patent/US1983621A/en not_active Expired - Lifetime
  • 1931-04-25 GB GB12267/31A patent/GB375481A/en not_active Expired

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