FR1364871A - Bobine magnétique - Google Patents

Bobine magnétique

Info

Publication number
FR1364871A
FR1364871A FR940486A FR940486A FR1364871A FR 1364871 A FR1364871 A FR 1364871A FR 940486 A FR940486 A FR 940486A FR 940486 A FR940486 A FR 940486A FR 1364871 A FR1364871 A FR 1364871A
Authority
FR
France
Prior art keywords
magnetic coil
coil
magnetic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR940486A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics and Pharmaceutical Industries Corp
Original Assignee
Philips Electronics and Pharmaceutical Industries Corp
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
Priority claimed from US207707A external-priority patent/US3150339A/en
Application filed by Philips Electronics and Pharmaceutical Industries Corp filed Critical Philips Electronics and Pharmaceutical Industries Corp
Priority to FR940486A priority Critical patent/FR1364871A/fr
Application granted granted Critical
Publication of FR1364871A publication Critical patent/FR1364871A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
FR940486A 1962-07-05 1963-07-05 Bobine magnétique Expired FR1364871A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR940486A FR1364871A (fr) 1962-07-05 1963-07-05 Bobine magnétique

Applications Claiming Priority (2)

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
FR940486A FR1364871A (fr) 1962-07-05 1963-07-05 Bobine magnétique

Publications (1)

Publication Number Publication Date
FR1364871A true FR1364871A (fr) 1964-06-26

Family

ID=26202245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940486A Expired FR1364871A (fr) 1962-07-05 1963-07-05 Bobine magnétique

Country Status (1)

Country Link
FR (1) FR1364871A (fr)

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