DE2147531A1 - Schwefel modifiziertes ferromagneti sches Chromoxid - Google Patents

Schwefel modifiziertes ferromagneti sches Chromoxid

Info

Publication number
DE2147531A1
DE2147531A1 DE19712147531 DE2147531A DE2147531A1 DE 2147531 A1 DE2147531 A1 DE 2147531A1 DE 19712147531 DE19712147531 DE 19712147531 DE 2147531 A DE2147531 A DE 2147531A DE 2147531 A1 DE2147531 A1 DE 2147531A1
Authority
DE
Germany
Prior art keywords
weight
percent
chromium
weight percent
sulfur
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.)
Pending
Application number
DE19712147531
Other languages
German (de)
English (en)
Inventor
Tadashi Settsu; Mihara Toshihiro Hirakata; Terada Yukio Osaka; Hirota Enchi Sakai Osaka Kawamata (Japan). P
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE2147531A1 publication Critical patent/DE2147531A1/de
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/16Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70626Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
    • G11B5/70636CrO2

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Record Carriers (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Iron (AREA)
  • Paints Or Removers (AREA)
DE19712147531 1970-09-22 1971-09-20 Schwefel modifiziertes ferromagneti sches Chromoxid Pending DE2147531A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45083150A JPS521116B1 (enExample) 1970-09-22 1970-09-22

Publications (1)

Publication Number Publication Date
DE2147531A1 true DE2147531A1 (de) 1972-05-04

Family

ID=13794181

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712147531 Pending DE2147531A1 (de) 1970-09-22 1971-09-20 Schwefel modifiziertes ferromagneti sches Chromoxid

Country Status (7)

Country Link
JP (1) JPS521116B1 (enExample)
CA (1) CA976743A (enExample)
DE (1) DE2147531A1 (enExample)
FR (1) FR2108364A5 (enExample)
GB (2) GB1371492A (enExample)
IT (1) IT939439B (enExample)
NL (1) NL153155B (enExample)

Also Published As

Publication number Publication date
FR2108364A5 (enExample) 1972-05-19
NL7113034A (enExample) 1972-03-24
CA976743A (en) 1975-10-28
GB1370931A (en) 1974-10-16
GB1371492A (en) 1974-10-23
IT939439B (it) 1973-02-10
NL153155B (nl) 1977-05-16
JPS521116B1 (enExample) 1977-01-12

Similar Documents

Publication Publication Date Title
DE969698C (de) Ferromagnetisches Eisenoxydmaterial und Verfahren zu seiner Herstellung
DE2130921B2 (de) Verfahren zur Herstellung von Pulver aus Eisen und/oder Kobalt und/oder
Simons et al. New studies on calcium oxalate monohydrate: A guide to the interpretation of thermogravimetric measurements
DE1905584C3 (de) Verfahren zur Verbesserung der ferromagnetischen Eigenschaften von Chromdioxyd
DE2147531A1 (de) Schwefel modifiziertes ferromagneti sches Chromoxid
DE1771869B1 (de) Tellur zinn modifiziertes chromdioxid
US3954641A (en) Process for the preparation of sulfur modified ferromagnetic chromium oxide
DE2649714A1 (de) Magnetische mischoxide und verfahren zu deren herstellung
DE2045561C3 (de) Verfahren zur Herstellung feiner Goethitkristalle
CH333347A (de) Verfahren zur Herstellung eines Magnetkernes mit einer nahezu rechteckigen Hystereseschleife
DE3885862T2 (de) Verfahren zur Schmelzreduktion oxydischer Erze.
DE1767989A1 (de) Verfahren zur Herstellung von ferromagnetischem Chromdioxid
DE3787317T2 (de) Magnetischer Aufzeichnungsträger und Herstellung desselben.
DE2062870B2 (de) Magnetisches Material aus modifiziertem Chromoxid und Verfahren zur Herstellung dieses Materials
DE1767989C (de) Verfahren zur Herstellung von ferromagnetischem Chromdioxid
DE528463C (de) Verfahren zur Gewinnung eines Eisenpulvers von grosser Reinheit
DE2053899B2 (de) Mit tellur und eisen modifizierte chromdioxide
US3583917A (en) Tellurium-lead modified chromium dioxide
DE1802469A1 (de) Verfahren zur Herstellung von ferromagnetischem Chromdioxid
DE2435874C3 (de) Verfahren zur Herstellung eines ferromagnetischen Chromoxids
DE878640C (de) Verfahren zur Herstellung eines Metalloxydpraeparates, das eine Molekularkomplexverbindung aus Eisenoxyd und einem Oxyd eines fluechtigen carbonylbildenden Metalls enthaelt
Klikorka et al. ESR of defect centres in Ge Sb S glasses
DE1592492C (de) Verfahren zur Herstellung von ferromagnetischem Chromdioxyd
DE1225156B (de) Verfahren zur Herstellung von Ferritpulvern
US3875297A (en) Method for making ferromagnetic chromium dioxide