CA961257A - Ferrite particles for flexible permanent magnets - Google Patents

Ferrite particles for flexible permanent magnets

Info

Publication number: CA961257A
Authority: CA; Canada
Prior art keywords: permanent magnets; ferrite particles; flexible permanent; flexible; ferrite
Prior art date: 1970-08-12
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.)

1970-08-12

Filing date

1971-08-11

Publication date

1975-01-21

1971-08-11 Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co

1975-01-21 Application granted granted Critical

1975-01-21 Publication of CA961257A publication Critical patent/CA961257A/en

Status 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 (fr)
CA (1)	CA961257A (fr)
DE (1)	DE2140320A1 (fr)
ES (1)	ES393851A1 (fr)
FR (1)	FR2104251A5 (fr)
GB (1)	GB1354598A (fr)
NL (1)	NL7110643A (fr)
SE (1)	SE362979B (fr)

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

1971
- 1971-08-02 ES ES393851A patent/ES393851A1/es not_active Expired
- 1971-08-02 NL NL7110643A patent/NL7110643A/xx unknown
- 1971-08-02 SE SE09856/71A patent/SE362979B/xx unknown
- 1971-08-11 GB GB3781471A patent/GB1354598A/en not_active Expired
- 1971-08-11 CA CA120,335A patent/CA961257A/en not_active Expired
- 1971-08-11 FR FR7129430A patent/FR2104251A5/fr not_active Expired
- 1971-08-11 DE DE19712140320 patent/DE2140320A1/de active Pending
- 1971-08-11 BE BE771171A patent/BE771171A/fr unknown

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

Publication	Publication Date	Title
CA942539A (en)	1974-02-26	Permanent magnetic materials
CA924702A (en)	1973-04-17	Magnetically operable device
CA999336A (en)	1976-11-02	Permanent magnet devices
CA931202A (en)	1973-07-31	Permanent magnet electromagnetic actuator
CA939718A (en)	1974-01-08	Magnetic coupling
CA924257A (en)	1973-04-10	Magnetic conveyor
CA961257A (en)	1975-01-21	Ferrite particles for flexible permanent magnets
CA978733A (en)	1975-12-02	Flexible ferrite-particle magnets
AU434579B2 (en)	1973-02-15	Ferrite particles for flexible permanent magnets
CA978010A (en)	1975-11-18	Permanent magnetic patterns
CA855821A (en)	1970-11-10	Electric magnetic vibrator
CA939935A (en)	1974-01-15	Manufacture of permanent magnets
CA835292A (en)	1970-02-24	Molded ferrite permanent magnet
CA717462A (en)	1965-09-07	Flexible permanent magnets
AU434615B2 (en)	1973-02-15	Flexible ferrite-particle magnets
CA687383A (en)	1964-05-26	Permanent magnet material
AU5255069A (en)	1970-10-01	Permanent magnetic materials
CA712081A (en)	1965-06-22	Permanent magnetic material
CA848011A (en)	1970-07-28	Turn-off permanent magnet
CA855571A (en)	1970-11-10	Permanent magnet holding devices
CA817285A (en)	1969-07-08	Permanent magnet gasket
CA943373A (en)	1974-03-12	Permanent magnetic materials
CA838860A (en)	1970-04-07	Permanent magnet target device
AU416361B2 (en)	1968-07-04	Oriented ferrite bodies for permanent magnets
CA804534A (en)	1969-01-21	Ceramic permanent magnet