Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
  • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
  • H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
  • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
  • H01J29/48—Electron guns
  • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
  • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
  • H01J29/58—Arrangements for focusing or reflecting ray or beam
  • H01J29/62—Electrostatic lenses
  • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
  • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun

Applications Claiming Priority (1)

Publications (1)

Family

ID=22183101

Family Applications (1)

Country Status (5)

Families Citing this family (1)

• 0
  • NL NL220827D patent/NL220827A/xx unknown
  • BE BE560885D patent/BE560885A/xx unknown
• 1957
  • 1957-08-19 FR FR1181501D patent/FR1181501A/fr not_active Expired
  • 1957-08-29 GB GB27303/57A patent/GB841373A/en not_active Expired
  • 1957-09-06 DE DER21818A patent/DE1221731B/de active Pending

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