NL8002990A - Werkwijze voor het vervaardigen van een anisotrope permanente magneet op oxydebasis. - Google Patents

Werkwijze voor het vervaardigen van een anisotrope permanente magneet op oxydebasis. Download PDF

Info

Publication number
NL8002990A
NL8002990A NL8002990A NL8002990A NL8002990A NL 8002990 A NL8002990 A NL 8002990A NL 8002990 A NL8002990 A NL 8002990A NL 8002990 A NL8002990 A NL 8002990A NL 8002990 A NL8002990 A NL 8002990A
Authority
NL
Netherlands
Prior art keywords
oxygen
sintering
product
takes place
iron
Prior art date
Application number
NL8002990A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Nv filed Critical Philips Nv
Priority to NL8002990A priority Critical patent/NL8002990A/nl
Priority to DE19813119731 priority patent/DE3119731A1/de
Priority to US06/264,735 priority patent/US4397796A/en
Priority to FR8110010A priority patent/FR2483120B1/fr
Priority to IT21853/81A priority patent/IT1136622B/it
Priority to JP7509481A priority patent/JPS5718303A/ja
Priority to GB8115552A priority patent/GB2076390B/en
Publication of NL8002990A publication Critical patent/NL8002990A/nl

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
    • C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • C04B35/2633—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
    • 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
    • C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/58—Processes of forming magnets

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)
  • Magnetic Ceramics (AREA)
NL8002990A 1980-05-23 1980-05-23 Werkwijze voor het vervaardigen van een anisotrope permanente magneet op oxydebasis. NL8002990A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL8002990A NL8002990A (nl) 1980-05-23 1980-05-23 Werkwijze voor het vervaardigen van een anisotrope permanente magneet op oxydebasis.
DE19813119731 DE3119731A1 (de) 1980-05-23 1981-05-18 "verfahren zur herstellung eines anisotropen dauermagneten auf oxidbasis"
US06/264,735 US4397796A (en) 1980-05-23 1981-05-18 Method of manufacturing an anisotropic oxidic permanent magnet
FR8110010A FR2483120B1 (cs) 1980-05-23 1981-05-20
IT21853/81A IT1136622B (it) 1980-05-23 1981-05-20 Metodo di fabbricazione di un magnete permanenete anisotropo,a carattere di ossido
JP7509481A JPS5718303A (en) 1980-05-23 1981-05-20 Method of producing anisotropic oxide permanent magnet
GB8115552A GB2076390B (en) 1980-05-23 1981-05-20 Manufacturing an isotropic oxidic permanent magnet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8002990A NL8002990A (nl) 1980-05-23 1980-05-23 Werkwijze voor het vervaardigen van een anisotrope permanente magneet op oxydebasis.
NL8002990 1980-05-23

Publications (1)

Publication Number Publication Date
NL8002990A true NL8002990A (nl) 1981-12-16

Family

ID=19835353

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8002990A NL8002990A (nl) 1980-05-23 1980-05-23 Werkwijze voor het vervaardigen van een anisotrope permanente magneet op oxydebasis.

Country Status (7)

Country Link
US (1) US4397796A (cs)
JP (1) JPS5718303A (cs)
DE (1) DE3119731A1 (cs)
FR (1) FR2483120B1 (cs)
GB (1) GB2076390B (cs)
IT (1) IT1136622B (cs)
NL (1) NL8002990A (cs)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983000264A1 (en) * 1981-07-14 1983-01-20 Eino, Muneyoshi Field composite permanent magnet and method of producing the same
US4975411A (en) * 1987-05-19 1990-12-04 Fonar Corporation Superconductors and methods of making same
DE3726667A1 (de) * 1987-08-11 1989-02-23 Bayer Ag Feinteilige magnetische borhaltige hexaferritpigmente, verfahren zu ihrer herstellung sowie deren verwendung
US5945028A (en) * 1992-04-24 1999-08-31 Tdk Corporation Hexagonal system ferrite particles and their production process
US5648039A (en) * 1992-04-24 1997-07-15 Tdk Corporation Process for the production of anisotropic ferrite magnets
JPH09260124A (ja) * 1996-03-26 1997-10-03 Sumitomo Special Metals Co Ltd フェライト磁石及びその製造方法
WO2004077458A1 (ja) * 2003-02-25 2004-09-10 Tdk Corporation フェライト磁石粉末、焼結磁石、ボンド磁石、磁気記録媒体
WO2005085153A1 (ja) * 2004-03-04 2005-09-15 Tdk Corporation フェライト磁性材料、フェライト焼結磁石及びその製造方法
CN111153691B (zh) * 2019-12-27 2022-05-20 湖南航天磁电有限责任公司 一种钡永磁铁氧体及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL87162C (cs) * 1950-09-19
NL87127C (cs) * 1951-10-04
NL84031C (cs) * 1953-09-09
NL88281C (cs) * 1955-08-10
NL112994C (cs) * 1956-06-02 1966-07-15
DE2158804A1 (de) * 1971-11-26 1973-05-30 Siemens Ag Verfahren zur herstellung eines mangan-zink-ferrits
NL7414706A (nl) * 1974-11-12 1976-05-14 Philips Nv Werkwijze voor het vervaardigen van een mangaan-zink-ferrietkern, in het bijzonder voor gebruik in magneetkoppen.
DE2733557A1 (de) 1977-07-26 1979-02-01 Krupp Gmbh Verfahren zur herstellung eines anisotropen, oxidischen dauermagneten

Also Published As

Publication number Publication date
DE3119731A1 (de) 1982-02-11
FR2483120A1 (cs) 1981-11-27
IT8121853A0 (it) 1981-05-20
GB2076390B (en) 1983-08-17
FR2483120B1 (cs) 1986-09-26
JPS5718303A (en) 1982-01-30
IT1136622B (it) 1986-09-03
GB2076390A (en) 1981-12-02
US4397796A (en) 1983-08-09
JPH0261121B2 (cs) 1990-12-19

Similar Documents

Publication Publication Date Title
Rozman et al. Hydrothermal synthesis of manganese zinc ferrites
Lotgering et al. Permanent‐magnet material obtained by sintering the hexagonal ferrite W= BaFe18O27
US2452530A (en) Magnetic core
US2762777A (en) Permanent magnet and method of making the same
Kalarus et al. High permeability–high frequency stable MnZn ferrites
Mori Magnetic properties of several phases of barium orthoferrate, BaFeO x
EP1702903B1 (en) Ferrite sintered compact and method for producing the same, and electronic parts using the same
NL8002990A (nl) Werkwijze voor het vervaardigen van een anisotrope permanente magneet op oxydebasis.
US4808327A (en) Compositions of particulate magnetic oxides with a defect spinel structure, preparation thereof and application thereof
JP3488416B2 (ja) フェライト磁石の製造方法
CN113896521A (zh) 一种低饱和窄线宽旋磁材料及其制备方法
US2734034A (en) Magnetic compositions
JPS63301505A (ja) Ｒ−Ｂ−Ｆｅ系焼結磁石
US4062922A (en) Process for preparing strontium ferrites
de Lau Influence of chemical composition and microstructure on high-frequency properties of Ni-Zn-Co ferrites
JPH04338604A (ja) 金属ボンディッド磁石およびその製造方法
Natansohn et al. Effect of synthesis parameters on the magnetic properties of manganese zinc ferrites
JPS59143002A (ja) 粉末冶金用微粉末有機バインダ−
JPH11307336A (ja) 軟磁性フェライトの製造方法
US3085980A (en) Ferromagnetic material
US3223641A (en) Square loop molybdenum modified ferrites
JP3567742B2 (ja) 希土類Ｆｅ系合金粉末の製造方法
Almodovar et al. Magnetic characterization of SrFe2Fe16O27 ferrite prepared by chemical coprecipitation method
JP2000182816A (ja) マンガン系フェライト及びそれを使用したトランス並びにチョ―クコイル
Martirosyan et al. La 3+ and Ce 3+ doping of hard-magnetic ferrites

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed