DE2709328B2 - - Google Patents

Info

Publication number
DE2709328B2
DE2709328B2 DE2709328A DE2709328A DE2709328B2 DE 2709328 B2 DE2709328 B2 DE 2709328B2 DE 2709328 A DE2709328 A DE 2709328A DE 2709328 A DE2709328 A DE 2709328A DE 2709328 B2 DE2709328 B2 DE 2709328B2
Authority
DE
Germany
Prior art keywords
niobium
atomic percent
ferrite
copper
thin layer
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.)
Granted
Application number
DE2709328A
Other languages
German (de)
English (en)
Other versions
DE2709328A1 (de
DE2709328C3 (de
Inventor
Seizi Ibaragi Hattori
Kazuo Kanagawa Kobayashi
Koichi Yokohama Makino
Wakatake Zama Matsuda
Takehiko Kasawaki Kanagawa Nakagawa
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.)
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 DE2709328A1 publication Critical patent/DE2709328A1/de
Publication of DE2709328B2 publication Critical patent/DE2709328B2/de
Application granted granted Critical
Publication of DE2709328C3 publication Critical patent/DE2709328C3/de
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)
DE2709328A 1976-03-03 1977-03-03 Magnetisches Aufzeichnungsmaterial mit einer Dünnschicht aus Ferrit und Verfahren zu dessen Herstellung Expired DE2709328C3 (de)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2709328A1 DE2709328A1 (de) 1977-09-08
DE2709328B2 true DE2709328B2 (show.php) 1978-11-23
DE2709328C3 DE2709328C3 (de) 1979-07-19

Family

ID=12076395

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2709328A Expired DE2709328C3 (de) 1976-03-03 1977-03-03 Magnetisches Aufzeichnungsmaterial mit einer Dünnschicht aus Ferrit und Verfahren zu dessen Herstellung

Country Status (5)

Country Link
US (1) US4215158A (show.php)
JP (1) JPS52106500A (show.php)
DE (1) DE2709328C3 (show.php)
FR (1) FR2343308A1 (show.php)
GB (1) GB1561476A (show.php)

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 (show.php) * 1962-03-29 1900-01-01
JPS5311679B2 (show.php) * 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 (show.php) 1981-07-17
GB1561476A (en) 1980-02-20
DE2709328A1 (de) 1977-09-08
JPS5617810B2 (show.php) 1981-04-24
DE2709328C3 (de) 1979-07-19
FR2343308A1 (fr) 1977-09-30

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8327 Change in the person/name/address of the patent owner

Owner name: NIPPON TELEGRAPH AND TELEPHONE CORP., TOKIO/TOKYO,

8328 Change in the person/name/address of the agent

Free format text: KRAMER, R., DIPL.-ING. WESER, W., DIPL.-PHYS. DR.RER.NAT. HOFFMANN, E., DIPL.-ING., 8000 MUENCHEN BLUMBACH, P., DIPL.-ING. ZWIRNER, G., DIPL.-ING. DIPL.-WIRTSCH.-ING., PAT.-ANW., 6200 WIESBADEN

8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 81245 MUENCHEN