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 languages
English (en)
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)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Compounds Of Iron (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 (enrdf_load_stackoverflow)
CA (1) CA961257A (enrdf_load_stackoverflow)
DE (1) DE2140320A1 (enrdf_load_stackoverflow)
ES (1) ES393851A1 (enrdf_load_stackoverflow)
FR (1) FR2104251A5 (enrdf_load_stackoverflow)
GB (1) GB1354598A (enrdf_load_stackoverflow)
NL (1) NL7110643A (enrdf_load_stackoverflow)
SE (1) SE362979B (enrdf_load_stackoverflow)

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 (de) * 1974-01-16 1981-05-14 Fuji Electrochemical Co., Ltd., Tokyo Verfahren zur Herstellung eines anisotropen Ferritmagneten
NL7907717A (nl) * 1979-10-19 1981-04-22 Philips Nv Inrichting voor het weergeven van gekleurde beelden.
JPS5941806A (ja) * 1982-08-31 1984-03-08 Toda Kogyo Corp 磁気記録用板状Ｂａフエライト粒子粉末の製造法
DE19910182B4 (de) * 1999-03-08 2013-12-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung und Magnetisierung permanentmagnetischer Folien

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 (de) * 1979-01-02 1980-07-17 Minnesota Mining & Mfg Matrixgebundene permanentmagneten mit hochausgerichteten magnetteilchen
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
SE362979B (enrdf_load_stackoverflow) 1973-12-27
BE771171A (fr) 1972-02-11
ES393851A1 (es) 1973-09-16
GB1354598A (en) 1974-06-05
NL7110643A (enrdf_load_stackoverflow) 1972-02-15
DE2140320A1 (de) 1972-10-19
AU3218371A (en) 1973-02-15
FR2104251A5 (enrdf_load_stackoverflow) 1972-04-14

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