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GB1354598A - Ferrite particles for flexible permenent magnets - Google Patents

Ferrite particles for flexible permenent magnets

Info

Publication number
GB1354598A
GB1354598A GB3781471A GB3781471A GB1354598A GB 1354598 A GB1354598 A GB 1354598A GB 3781471 A GB3781471 A GB 3781471A GB 3781471 A GB3781471 A GB 3781471A GB 1354598 A GB1354598 A GB 1354598A
Authority
GB
United Kingdom
Prior art keywords
flexible
ferrite particles
aug
sheet
permenent
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
GB3781471A
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.)
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
Publication of GB1354598A publication Critical patent/GB1354598A/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)
GB3781471A 1970-08-12 1971-08-11 Ferrite particles for flexible permenent magnets Expired GB1354598A (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
GB1354598A true GB1354598A (en) 1974-06-05

Family

ID=22048282

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3781471A Expired GB1354598A (en) 1970-08-12 1971-08-11 Ferrite particles for flexible permenent magnets

Country Status (8)

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

Families Citing this family (7)

* 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
US4200547A (en) 1979-01-02 1980-04-29 Minnesota Mining And Manufacturing Company Matrix-bonded permanent magnet having highly aligned magnetic particles
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
US4881988A (en) * 1987-11-16 1989-11-21 Rjf International Corporation Novel flexible magnet for use in small dc motors
DE19910182B4 (de) * 1999-03-08 2013-12-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung und Magnetisierung permanentmagnetischer Folien

Also Published As

Publication number Publication date
BE771171A (fr) 1972-02-11
FR2104251A5 (xx) 1972-04-14
NL7110643A (xx) 1972-02-15
CA961257A (en) 1975-01-21
SE362979B (xx) 1973-12-27
DE2140320A1 (de) 1972-10-19
ES393851A1 (es) 1973-09-16
AU3218371A (en) 1973-02-15

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Legal Events

Date Code Title Description
429A Application made for amendment of specification (sect. 29/1949)
429C Application to amend the specification withdrawn (sect. 29/1949)
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees