CA961257A - Ferrite particles for flexible permanent magnets - Google Patents

Ferrite particles for flexible permanent magnets

Info

Publication number
CA961257A
CA961257A CA120,335A CA120335A CA961257A CA 961257 A CA961257 A CA 961257A CA 120335 A CA120335 A CA 120335A CA 961257 A CA961257 A CA 961257A
Authority
CA
Canada
Prior art keywords
permanent magnets
ferrite particles
flexible permanent
flexible
ferrite
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
CA120,335A
Other versions
CA120335S (en
Inventor
Kenneth M. Riedl
Karl E. Nelson
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA961257A publication Critical patent/CA961257A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent
    • H01F1/117—Flexible bodies
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2683—Other ferrites containing alkaline earth metals or lead

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CA120,335A 1970-08-12 1971-08-11 Ferrite particles for flexible permanent magnets Expired CA961257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6329870A 1970-08-12 1970-08-12

Publications (1)

Publication Number Publication Date
CA961257A true CA961257A (en) 1975-01-21

Family

ID=22048282

Family Applications (1)

Application Number Title Priority Date Filing Date
CA120,335A Expired CA961257A (en) 1970-08-12 1971-08-11 Ferrite particles for flexible permanent magnets

Country Status (8)

Country Link
BE (1) BE771171A (en)
CA (1) CA961257A (en)
DE (1) DE2140320A1 (en)
ES (1) ES393851A1 (en)
FR (1) FR2104251A5 (en)
GB (1) GB1354598A (en)
NL (1) NL7110643A (en)
SE (1) SE362979B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200547A (en) 1979-01-02 1980-04-29 Minnesota Mining And Manufacturing Company Matrix-bonded permanent magnet having highly aligned magnetic particles
US4881988A (en) * 1987-11-16 1989-11-21 Rjf International Corporation Novel flexible magnet for use in small dc motors

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057606A (en) * 1972-07-14 1977-11-08 Fuji Electrochemical Co., Ltd. Method of producing anisotropic ferrite magnet
DE2401934C3 (en) * 1974-01-16 1981-05-14 Fuji Electrochemical Co., Ltd., Tokyo Method of manufacturing an anisotropic ferrite magnet
NL7907717A (en) * 1979-10-19 1981-04-22 Philips Nv DEVICE FOR DISPLAYING COLORED IMAGES.
JPS5941806A (en) * 1982-08-31 1984-03-08 Toda Kogyo Corp Manufacture of tabular ba ferrite particle powder for magnetic recording
DE19910182B4 (en) * 1999-03-08 2013-12-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for producing and magnetizing permanent magnetic films

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200547A (en) 1979-01-02 1980-04-29 Minnesota Mining And Manufacturing Company Matrix-bonded permanent magnet having highly aligned magnetic particles
DE2952820A1 (en) * 1979-01-02 1980-07-17 Minnesota Mining & Mfg MATRIX-TIED PERMANENT MAGNETS WITH HIGHLY ALIGNED MAGNETIC PARTICLES
US4881988A (en) * 1987-11-16 1989-11-21 Rjf International Corporation Novel flexible magnet for use in small dc motors

Also Published As

Publication number Publication date
DE2140320A1 (en) 1972-10-19
FR2104251A5 (en) 1972-04-14
SE362979B (en) 1973-12-27
ES393851A1 (en) 1973-09-16
AU3218371A (en) 1973-02-15
BE771171A (en) 1972-02-11
NL7110643A (en) 1972-02-15
GB1354598A (en) 1974-06-05

Similar Documents

Publication Publication Date Title
CA942539A (en) Permanent magnetic materials
CA924702A (en) Magnetically operable device
CA999336A (en) Permanent magnet devices
CA931202A (en) Permanent magnet electromagnetic actuator
CA939718A (en) Magnetic coupling
CA924257A (en) Magnetic conveyor
CA961257A (en) Ferrite particles for flexible permanent magnets
CA978733A (en) Flexible ferrite-particle magnets
AU434579B2 (en) Ferrite particles for flexible permanent magnets
CA978010A (en) Permanent magnetic patterns
CA855821A (en) Electric magnetic vibrator
CA939935A (en) Manufacture of permanent magnets
CA835292A (en) Molded ferrite permanent magnet
CA717462A (en) Flexible permanent magnets
AU434615B2 (en) Flexible ferrite-particle magnets
CA687383A (en) Permanent magnet material
AU5255069A (en) Permanent magnetic materials
CA712081A (en) Permanent magnetic material
CA848011A (en) Turn-off permanent magnet
CA855571A (en) Permanent magnet holding devices
CA817285A (en) Permanent magnet gasket
CA943373A (en) Permanent magnetic materials
CA838860A (en) Permanent magnet target device
AU416361B2 (en) Oriented ferrite bodies for permanent magnets
CA804534A (en) Ceramic permanent magnet