CH414858A - Coil for generating a concentrated magnetic field - Google Patents

Coil for generating a concentrated magnetic field

Info

Publication number
CH414858A
CH414858A CH823163A CH823163A CH414858A CH 414858 A CH414858 A CH 414858A CH 823163 A CH823163 A CH 823163A CH 823163 A CH823163 A CH 823163A CH 414858 A CH414858 A CH 414858A
Authority
CH
Switzerland
Prior art keywords
coil
generating
magnetic field
concentrated magnetic
concentrated
Prior art date
Application number
CH823163A
Other languages
German (de)
Inventor
Pictari Wilska Alvar
Original Assignee
Philips Electronic Pharma
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronic Pharma filed Critical Philips Electronic Pharma
Publication of CH414858A publication Critical patent/CH414858A/en

Links

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, 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)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Particle Accelerators (AREA)
CH823163A 1962-07-05 1963-07-03 Coil for generating a concentrated magnetic field CH414858A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US207707A US3150339A (en) 1962-07-05 1962-07-05 Coil having heat conductive segments and c-shaped conductive path

Publications (1)

Publication Number Publication Date
CH414858A true CH414858A (en) 1966-06-15

Family

ID=22771668

Family Applications (1)

Application Number Title Priority Date Filing Date
CH823163A CH414858A (en) 1962-07-05 1963-07-03 Coil for generating a concentrated magnetic field

Country Status (6)

Country Link
US (1) US3150339A (en)
BE (1) BE634473A (en)
CH (1) CH414858A (en)
DE (1) DE1268740B (en)
GB (1) GB1043886A (en)
NL (1) NL294726A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541433A (en) * 1968-11-12 1970-11-17 Ariel R Davis Current supply apparatuses with an inductive winding and heat sink for solid state devices
FR2114983B1 (en) * 1970-11-18 1974-03-22 Commissariat Energie Atomique
US3731243A (en) * 1971-12-08 1973-05-01 A Davis Inductive winding
GB8501710D0 (en) * 1985-01-23 1985-02-27 Horstmann Magnetics Ltd Electromagnetic winding
DE3610690C5 (en) * 1986-03-29 2005-12-08 Magnet-Physik Dr. Steingroever Gmbh Magnetic coil with disc-shaped conductor
NL8801208A (en) * 1988-05-09 1989-12-01 Philips Nv CHARGED PARTICLES BUNDLE DEVICE.
US5231330A (en) * 1991-10-25 1993-07-27 Itt Corporation Digital helix for a traveling-wave tube and process for fabrication
US8031432B2 (en) * 2007-12-12 2011-10-04 Hitachi Global Storage Technologies Netherlands B.V. Magnetic write head having helical coil with a fin structure for reduced heat induced protrusion
FI20085241A0 (en) * 2008-03-20 2008-03-20 Abb Oy A method of making an inductive electrical component and an inductive electrical component

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1385624A (en) * 1921-07-26 Induction-coil-heat-dissipating structure
US267138A (en) * 1882-11-07 Viegil w
US1801214A (en) * 1928-04-28 1931-04-14 American Electric Fusion Corp Edgewise coil and method of making the same
US1882201A (en) * 1929-07-18 1932-10-11 Telefunken Gmbh Choke coil
US2061388A (en) * 1933-10-27 1936-11-17 Fairbanks Morse & Co Insulating electrical coil winding
AT198331B (en) * 1955-04-21 1958-06-25 Sylvania Electric Prod Metallic helical coil and method and device for their manufacture

Also Published As

Publication number Publication date
NL294726A (en)
US3150339A (en) 1964-09-22
BE634473A (en)
GB1043886A (en) 1966-09-28
DE1268740B (en) 1968-05-22

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