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
  • H01J29/58—Arrangements for focusing or reflecting ray or beam
  • H01J29/64—Magnetic lenses
  • H01J29/66—Magnetic lenses using electromagnetic means only
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
  • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
  • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
  • H01J23/02—Electrodes; Magnetic control means; Screens
  • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
  • H01J23/087—Magnetic focusing arrangements
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
  • H01J37/02—Details
  • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
  • H01J37/10—Lenses
  • H01J37/14—Lenses magnetic
  • H01J37/141—Electromagnetic lenses

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Manufacturing & Machinery (AREA)
• Chemical & Material Sciences (AREA)
• Analytical Chemistry (AREA)
• Coils Or Transformers For Communication (AREA)
• Particle Accelerators (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=22771668

Family Applications (1)

Country Status (6)

Families Citing this family (9)

Family Cites Families (6)

• 0
  • NL NL294726D patent/NL294726A/xx unknown
  • BE BE634473D patent/BE634473A/xx unknown
• 1962
  • 1962-07-05 US US207707A patent/US3150339A/en not_active Expired - Lifetime
• 1963
  • 1963-07-02 DE DEP1268A patent/DE1268740B/de active Pending
  • 1963-07-03 CH CH823163A patent/CH414858A/de unknown
  • 1963-07-05 GB GB26758/63A patent/GB1043886A/en not_active Expired

Also Published As

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