CA1073658A - Methode de production de noyaux de ferro-ferrite au zinc manganeux, utilises specialement dans les tetes de lecture magnetiques - Google Patents

Methode de production de noyaux de ferro-ferrite au zinc manganeux, utilises specialement dans les tetes de lecture magnetiques

Info

Publication number: CA1073658A
Authority: CA; Canada
Prior art keywords: temperature; mixture; prefiring; sintering; zinc
Prior art date: 1974-11-12
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

CA239,375A

Other languages

English (en)

Other versions

CA239375S (en

Inventor

Johannes G.M. De Lau

Dirk Veeneman

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken 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.)

1974-11-12

Filing date

1975-11-06

Publication date

1980-03-18

1975-11-06 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1980-03-18 Application granted granted Critical

1980-03-18 Publication of CA1073658A publication Critical patent/CA1073658A/fr

Status Expired legal-status Critical Current

Links

229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 22
238000004519 manufacturing process Methods 0.000 title claims description 6
239000000203 mixture Substances 0.000 claims abstract description 47
238000005245 sintering Methods 0.000 claims abstract description 21
238000000034 method Methods 0.000 claims abstract description 16
229910052596 spinel Inorganic materials 0.000 claims abstract description 13
239000011029 spinel Substances 0.000 claims abstract description 13
238000010438 heat treatment Methods 0.000 claims abstract description 10
239000000463 material Substances 0.000 claims description 10
239000012298 atmosphere Substances 0.000 claims description 8
239000007789 gas Substances 0.000 claims description 8
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
239000011701 zinc Substances 0.000 claims description 7
238000000227 grinding Methods 0.000 claims description 5
SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 4
239000012299 nitrogen atmosphere Substances 0.000 claims description 4
230000001590 oxidative effect Effects 0.000 claims description 4
229910052742 iron Inorganic materials 0.000 claims description 3
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
239000000047 product Substances 0.000 claims description 2
229910052725 zinc Inorganic materials 0.000 claims description 2
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
239000000843 powder Substances 0.000 abstract description 30
238000001816 cooling Methods 0.000 abstract description 7
230000003647 oxidation Effects 0.000 abstract description 2
238000007254 oxidation reaction Methods 0.000 abstract description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
239000001301 oxygen Substances 0.000 description 13
229910052760 oxygen Inorganic materials 0.000 description 13
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
239000011162 core material Substances 0.000 description 6
229910052757 nitrogen Inorganic materials 0.000 description 5
JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical group [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 description 3
150000002500 ions Chemical class 0.000 description 3
239000011572 manganese Substances 0.000 description 3
229910000016 manganese(II) carbonate Inorganic materials 0.000 description 3
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
238000013459 approach Methods 0.000 description 2
230000006835 compression Effects 0.000 description 2
238000007906 compression Methods 0.000 description 2
229910052748 manganese Inorganic materials 0.000 description 2
WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 description 2
239000011148 porous material Substances 0.000 description 2
229910018191 Al—Fe—Si Inorganic materials 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
229910003271 Ni-Fe Inorganic materials 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
150000001450 anions Chemical class 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
238000001739 density measurement Methods 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
238000011835 investigation Methods 0.000 description 1
229910000357 manganese(II) sulfate Inorganic materials 0.000 description 1
229910001092 metal group alloy Inorganic materials 0.000 description 1
QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
230000035699 permeability Effects 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
239000007858 starting material Substances 0.000 description 1
229910021653 sulphate ion Inorganic materials 0.000 description 1
238000007704 wet chemistry method Methods 0.000 description 1

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
- C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Ceramic Engineering (AREA)
Materials Engineering (AREA)
Structural Engineering (AREA)
Organic Chemistry (AREA)
Magnetic Ceramics (AREA)
Soft Magnetic Materials (AREA)
Magnetic Heads (AREA)

CA239,375A 1974-11-12 1975-11-06 Methode de production de noyaux de ferro-ferrite au zinc manganeux, utilises specialement dans les tetes de lecture magnetiques Expired CA1073658A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7414706A NL7414706A (nl)	1974-11-12	1974-11-12	Werkwijze voor het vervaardigen van een mangaan-zink-ferrietkern, in het bijzonder voor gebruik in magneetkoppen.

Publications (1)

Publication Number	Publication Date
CA1073658A true CA1073658A (fr)	1980-03-18

Family

ID=19822445

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA239,375A Expired CA1073658A (fr)	1974-11-12	1975-11-06	Methode de production de noyaux de ferro-ferrite au zinc manganeux, utilises specialement dans les tetes de lecture magnetiques

Country Status (7)

Country	Link
JP (1)	JPS5170495A (fr)
BE (1)	BE835447A (fr)
CA (1)	CA1073658A (fr)
DE (1)	DE2549085C2 (fr)
FR (1)	FR2291572A1 (fr)
GB (1)	GB1523910A (fr)
NL (1)	NL7414706A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2641319A1 (de) *	1976-09-14	1978-03-16	Siemens Ag	Ferritkern sowie verfahren zu seiner herstellung
NL8002990A (nl) *	1980-05-23	1981-12-16	Philips Nv	Werkwijze voor het vervaardigen van een anisotrope permanente magneet op oxydebasis.
US4375657A (en) *	1980-11-03	1983-03-01	Brock George W	Magnetic head assembly
NL8200174A (nl) *	1982-01-19	1983-08-16	Philips Nv	Magneetkop van zink-ferro-ferriet.
CA1242314A (fr) *	1983-12-29	1988-09-27	Ralph W. Scheidecker	Controle de la teneur en fer du ferrite de zinc manganeux

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1144285A (en) *	1967-02-09	1969-03-05	Matsushita Electric Industrial Co Ltd	Improvements in and relating to magnetic materials and devices

1974
- 1974-11-12 NL NL7414706A patent/NL7414706A/xx unknown
1975
- 1975-10-29 GB GB4462575A patent/GB1523910A/en not_active Expired
- 1975-11-03 DE DE19752549085 patent/DE2549085C2/de not_active Expired
- 1975-11-06 CA CA239,375A patent/CA1073658A/fr not_active Expired
- 1975-11-08 JP JP50133650A patent/JPS5170495A/ja active Granted
- 1975-11-10 BE BE161758A patent/BE835447A/fr not_active IP Right Cessation
- 1975-11-12 FR FR7534440A patent/FR2291572A1/fr active Granted

Also Published As

Publication number	Publication date
DE2549085A1 (de)	1976-05-13
FR2291572A1 (fr)	1976-06-11
DE2549085C2 (de)	1985-04-11
NL7414706A (nl)	1976-05-14
FR2291572B1 (fr)	1981-11-27
JPS5170495A (en)	1976-06-18
JPS5524684B2 (fr)	1980-07-01
BE835447A (fr)	1976-05-10
GB1523910A (en)	1978-09-06

Legal Events

Date	Code	Title	Description
1997-03-18	MKEX	Expiry

Publication	Publication Date	Title
US2551711A (en)	1951-05-08	Manganese zinc ferrite core
Cochardt	1966	Recent ferrite magnet developments
JPH04329847A (ja)	1992-11-18	Ｆｅ−Ｎｉ合金軟質磁性材料の製造方法
CA1073658A (fr)	1980-03-18	Methode de production de noyaux de ferro-ferrite au zinc manganeux, utilises specialement dans les tetes de lecture magnetiques
EP0105375B1 (fr)	1987-11-25	Materiau magnetique contenant de l'oxyde pouvant etre fritte a de faibles temperatures
JPH1064715A (ja)	1998-03-06	低損失フェライト磁心材料
JPH04217305A (ja)	1992-08-07	窒化鉄系高密度焼結体の製造方法
US3002930A (en)	1961-10-03	Process of making a ferromagnetic body
US2565058A (en)	1951-08-21	Ceramic magnetic materials with high saturation-flux density
US4093688A (en)	1978-06-06	Method of making manganese-zinc ferrite
GB2076390A (en)	1981-12-02	Manufacturing an isotropic oxidic permanent magnet
JP3467329B2 (ja)	2003-11-17	焼結磁心の製造方法および焼結磁心
US3074888A (en)	1963-01-22	High density ferrites
US3609083A (en)	1971-09-28	Heat treatment of nickel zinc cobalt ferrite
US3065181A (en)	1962-11-20	Inductor materials
US3057802A (en)	1962-10-09	Magnetic materials of the high permeability ferrite type
US3291739A (en)	1966-12-13	Ferromagnetic materials and methods of fabrication
EP0697383B1 (fr)	1997-01-29	Procédé pour la préparation d'un compact en ferrite
CN111116190A (zh)	2020-05-08	一种高电磁性能的锰锌铁氧体及其制备方法
JPH0122228B2 (fr)	1989-04-25
Rezlescu et al.	1987	Nickel-zinc ferrites with additives for use in magnetic heads
Withop	2003	Manganese-zinc ferrite processing, properties and recording performance
US2950252A (en)	1960-08-23	Manganese chromium ferrite composition
JPH08148323A (ja)	1996-06-07	酸化物磁性体材料および成型体の製造方法
US3297576A (en)	1967-01-10	Method of making memory core