GB1561476A - Magnetic recording medium and process for producing the same - Google Patents

Magnetic recording medium and process for producing the same Download PDF

Info

Publication number
GB1561476A
GB1561476A GB7867/77A GB786777A GB1561476A GB 1561476 A GB1561476 A GB 1561476A GB 7867/77 A GB7867/77 A GB 7867/77A GB 786777 A GB786777 A GB 786777A GB 1561476 A GB1561476 A GB 1561476A
Authority
GB
United Kingdom
Prior art keywords
ferrite
thin film
recording medium
atomic percent
niobium
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
GB7867/77A
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.)
Fujitsu Ltd
NTT Inc
Original Assignee
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
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 Fujitsu Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Publication of GB1561476A publication Critical patent/GB1561476A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20—Ferrites
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • Magnetic Record Carriers (AREA)
  • Compounds Of Iron (AREA)
  • Thin Magnetic Films (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
GB7867/77A 1976-03-03 1977-02-24 Magnetic recording medium and process for producing the same Expired GB1561476A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2220976A JPS52106500A (en) 1976-03-03 1976-03-03 Magnetic recording medium

Publications (1)

Publication Number Publication Date
GB1561476A true GB1561476A (en) 1980-02-20

Family

ID=12076395

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7867/77A Expired GB1561476A (en) 1976-03-03 1977-02-24 Magnetic recording medium and process for producing the same

Country Status (5)

Country Link
US (1) US4215158A (enExample)
JP (1) JPS52106500A (enExample)
DE (1) DE2709328C3 (enExample)
FR (1) FR2343308A1 (enExample)
GB (1) GB1561476A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544612A (en) * 1982-09-22 1985-10-01 Nippon Telegraph & Telephone Public Corporation Iron oxide magnetic film and process for fabrication thereof
US5186854A (en) * 1990-05-21 1993-02-16 The United States Of America As Represented By The Secretary Of The Navy Composites having high magnetic permeability and method of making
TW505934B (en) * 2001-02-01 2002-10-11 Luxon Energy Devices Corp Manufacture method of electrochemical capacitor
US8211225B2 (en) * 2008-04-09 2012-07-03 Sun Chemical Corp. Magnetic pigments and process of enhancing magnetic properties

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE630303A (enExample) * 1962-03-29 1900-01-01
JPS5311679B2 (enExample) * 1974-08-26 1978-04-24
JPS5155995A (en) * 1974-11-12 1976-05-17 Nippon Telegraph & Telephone Sankabutsujiseihakumakuno seizohoho
JPS5175503A (ja) * 1974-12-26 1976-06-30 Suwa Seikosha Kk Jikikirokutai
US3995093A (en) * 1975-03-03 1976-11-30 Rockwell International Corporation Garnet bubble domain material utilizing lanthanum and lutecium as substitution elements to yields high wall mobility and high uniaxial anisotropy
US3996095A (en) * 1975-04-16 1976-12-07 International Business Machines Corporation Epitaxial process of forming ferrite, Fe3 O4 and γFe2 O3 thin films on special materials

Also Published As

Publication number Publication date
JPS52106500A (en) 1977-09-07
US4215158A (en) 1980-07-29
FR2343308B1 (enExample) 1981-07-17
DE2709328B2 (enExample) 1978-11-23
DE2709328A1 (de) 1977-09-08
JPS5617810B2 (enExample) 1981-04-24
DE2709328C3 (de) 1979-07-19
FR2343308A1 (fr) 1977-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960224