GB747737A - Improvements in or relating to methods of manufacturing non-metallic permanent magnets - Google Patents

Improvements in or relating to methods of manufacturing non-metallic permanent magnets

Info

Publication number
GB747737A
GB747737A GB1850253A GB1850253A GB747737A GB 747737 A GB747737 A GB 747737A GB 1850253 A GB1850253 A GB 1850253A GB 1850253 A GB1850253 A GB 1850253A GB 747737 A GB747737 A GB 747737A
Authority
GB
United Kingdom
Prior art keywords
barium
oxide
per cent
calcium
heating
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
GB1850253A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB747737A publication Critical patent/GB747737A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
GB1850253A 1952-07-07 1953-07-03 Improvements in or relating to methods of manufacturing non-metallic permanent magnets Expired GB747737A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL170918 1952-07-07

Publications (1)

Publication Number Publication Date
GB747737A true GB747737A (en) 1956-04-11

Family

ID=19750572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1850253A Expired GB747737A (en) 1952-07-07 1953-07-03 Improvements in or relating to methods of manufacturing non-metallic permanent magnets

Country Status (10)

Country Link
AT (1) AT189404B (de)
BE (1) BE521244A (de)
CH (1) CH324068A (de)
DE (1) DE1197371B (de)
DK (1) DK107824C (de)
ES (1) ES210156A1 (de)
FR (1) FR1085491A (de)
GB (1) GB747737A (de)
LU (1) LU32262A1 (de)
NL (1) NL93756C (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938183A (en) * 1956-11-09 1960-05-24 Bell Telephone Labor Inc Single crystal inductor core of magnetizable garnet
US3053770A (en) * 1958-04-17 1962-09-11 Gen Motors Corp Permanent magnet
US3243374A (en) * 1963-06-06 1966-03-29 Matec Holding Sound-absorbing and sealing sheet with bituminous base and containing magnetized particles
EP0272932A2 (de) * 1986-12-24 1988-06-29 Maghemite Inc. Darstellung von Magneten aus Strontiumferriten
EP1953123A1 (de) * 2005-11-25 2008-08-06 Neomax Co., Ltd. Magnetisches material auf oxidbasis, herstellungsverfahren dafür, gesinterter ferritmagnet und herstellungsverfahren dafür

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE543773A (de) * 1954-12-21
US2980617A (en) * 1956-03-13 1961-04-18 Indiana General Corp Ferrite compositions and method of making same
NL131078C (de) * 1960-10-18
US3150925A (en) * 1961-04-20 1964-09-29 Richard J Gambino Method of growing single crystals
US3238135A (en) * 1963-02-19 1966-03-01 Western Electric Co Process for producing cadmiumbearing ferrites

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL87162C (de) * 1950-09-19
BE516395A (de) * 1951-12-21

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938183A (en) * 1956-11-09 1960-05-24 Bell Telephone Labor Inc Single crystal inductor core of magnetizable garnet
US3053770A (en) * 1958-04-17 1962-09-11 Gen Motors Corp Permanent magnet
US3243374A (en) * 1963-06-06 1966-03-29 Matec Holding Sound-absorbing and sealing sheet with bituminous base and containing magnetized particles
EP0272932A2 (de) * 1986-12-24 1988-06-29 Maghemite Inc. Darstellung von Magneten aus Strontiumferriten
EP0272932A3 (de) * 1986-12-24 1989-06-14 Maghemite Inc. Darstellung von Magneten aus Strontiumferriten
EP1953123A1 (de) * 2005-11-25 2008-08-06 Neomax Co., Ltd. Magnetisches material auf oxidbasis, herstellungsverfahren dafür, gesinterter ferritmagnet und herstellungsverfahren dafür
EP1953123A4 (de) * 2005-11-25 2009-09-02 Neomax Co Ltd Magnetisches material auf oxidbasis, herstellungsverfahren dafür, gesinterter ferritmagnet und herstellungsverfahren dafür
US7837893B2 (en) 2005-11-25 2010-11-23 Hitachi Metals, Ltd. Oxide-type, magnetic material and its production method, and sintered ferrite magnet and its production method
US8021567B2 (en) 2005-11-25 2011-09-20 Hitachi Metals, Ltd. Oxide-type, magnetic material and it's production method, and sintered ferrite magnet and it's production method

Also Published As

Publication number Publication date
DK107824C (da) 1967-07-10
DE1197371B (de) 1965-07-22
NL93756C (de)
AT189404B (de) 1957-03-25
LU32262A1 (de)
FR1085491A (fr) 1955-02-02
BE521244A (de)
ES210156A1 (es) 1954-09-16
CH324068A (de) 1957-08-31

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