FR1390763A - Dispositif à aimants permanents - Google Patents

Dispositif à aimants permanents

Info

Publication number
FR1390763A
FR1390763A FR8030A FR67008030A FR1390763A FR 1390763 A FR1390763 A FR 1390763A FR 8030 A FR8030 A FR 8030A FR 67008030 A FR67008030 A FR 67008030A FR 1390763 A FR1390763 A FR 1390763A
Authority
FR
France
Prior art keywords
permanent magnet
magnet device
permanent
magnet
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
FR8030A
Other languages
English (en)
French (fr)
Inventor
Leslie Kearton Parker
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.)
PerkinElmer Ltd
Original Assignee
PerkinElmer Ltd
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 PerkinElmer Ltd filed Critical PerkinElmer Ltd
Application granted granted Critical
Publication of FR1390763A publication Critical patent/FR1390763A/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 or ion-optical arrangement
    • H01J37/10—Lenses
    • H01J37/14—Lenses magnetic
    • H01J37/143—Permanent magnetic lenses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0273—Magnetic circuits with PM for magnetic field generation
    • H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
    • H01F7/0284—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles using a trimmable or adjustable magnetic circuit, e.g. for a symmetric dipole or quadrupole magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Microwave Tubes (AREA)
FR8030A 1963-04-16 1964-04-15 Dispositif à aimants permanents Expired FR1390763A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14882/63A GB1074587A (en) 1963-04-16 1963-04-16 Improvements relating to magnet assemblies

Publications (1)

Publication Number Publication Date
FR1390763A true FR1390763A (fr) 1965-02-26

Family

ID=10049193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8030A Expired FR1390763A (fr) 1963-04-16 1964-04-15 Dispositif à aimants permanents

Country Status (5)

Country Link
US (1) US3250961A (de)
CH (1) CH431741A (de)
DE (1) DE1296285B (de)
FR (1) FR1390763A (de)
GB (1) GB1074587A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390386A (en) * 1965-02-23 1968-06-25 Leeds & Northrup Co Span trimming adjustment and temperature compensation for a transmitter of the force balance type
US3437963A (en) * 1967-06-12 1969-04-08 Varian Associates Permanent magnet having an enclosing yoke structure with pole aligning means
JPS5935497B2 (ja) * 1979-02-28 1984-08-29 株式会社東芝 マグネトロン
GB2044990B (en) * 1979-02-28 1983-11-16 Tokyo Shibaura Electric Co Magnetron with thermally compensated magnetic system
FR2531564B1 (fr) * 1982-08-03 1986-07-18 Aimants Ugimag Sa Aimant permanent composite en matieres magnetiques differentes a variation thermique d'induction ajustee
US4506240A (en) * 1982-09-01 1985-03-19 Tektronix, Inc. Magnet assembly for a YIG tuned filter having adjustment means to elastically strain a pole piece
US8454056B2 (en) 2011-07-28 2013-06-04 Senior Investments Gmbh Double strap coupling apparatus
US20140248679A1 (en) * 2013-03-02 2014-09-04 Jing Zhang Apparatus and Methods to Enhance Field Gradient For Magnetic Rare Cell Separation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036415B (de) * 1954-12-24 1958-08-14 Max Baermann Vorrichtung zur Kompensation von Temperatureinfluessen an Dauermagneten
US3009084A (en) * 1956-09-14 1961-11-14 Taylor Instrument Co Electromechanical transducer
US3182231A (en) * 1960-09-26 1965-05-04 Varian Associates Magnet pole cap construction
GB949071A (en) * 1961-05-02 1964-02-12 Ass Elect Ind Improvements relating to magnet assemblies

Also Published As

Publication number Publication date
DE1296285B (de) 1969-05-29
CH431741A (de) 1967-03-15
US3250961A (en) 1966-05-10
GB1074587A (en) 1967-07-05

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