CA924194A - Substrate provided with a magnetisable layer - Google Patents

Substrate provided with a magnetisable layer

Info

Publication number
CA924194A
CA924194A CA116792A CA116792A CA924194A CA 924194 A CA924194 A CA 924194A CA 116792 A CA116792 A CA 116792A CA 116792 A CA116792 A CA 116792A CA 924194 A CA924194 A CA 924194A
Authority
CA
Canada
Prior art keywords
substrate provided
magnetisable layer
magnetisable
layer
substrate
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
CA116792A
Other languages
English (en)
Other versions
CA116792S (en
Inventor
T. Gerkema Jan
L. Melse Jan
De Vries Jan
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.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA924194A publication Critical patent/CA924194A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/657—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing inorganic, non-oxide compound of Si, N, P, B, H or C, e.g. in metal alloy or compound
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/001—Magnets
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7377—Physical structure of underlayer, e.g. texture
    • 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
    • H01F10/06—Thin magnetic films, e.g. of one-domain structure characterised by the coupling or physical contact with connecting or interacting conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Chemically Coating (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Magnetic Record Carriers (AREA)
CA116792A 1970-07-01 1971-06-28 Substrate provided with a magnetisable layer Expired CA924194A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7009689A NL7009689A (enExample) 1970-07-01 1970-07-01

Publications (1)

Publication Number Publication Date
CA924194A true CA924194A (en) 1973-04-10

Family

ID=19810469

Family Applications (1)

Application Number Title Priority Date Filing Date
CA116792A Expired CA924194A (en) 1970-07-01 1971-06-28 Substrate provided with a magnetisable layer

Country Status (5)

Country Link
CA (1) CA924194A (enExample)
DE (1) DE2131231A1 (enExample)
FR (1) FR2098125A5 (enExample)
GB (1) GB1328016A (enExample)
NL (1) NL7009689A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0010494D0 (en) * 2000-04-28 2000-06-14 Isis Innovation Textured metal article
JP3733878B2 (ja) * 2001-06-29 2006-01-11 ソニー株式会社 金属薄膜型磁気記録媒体及びその製造方法

Also Published As

Publication number Publication date
FR2098125A5 (enExample) 1972-03-03
NL7009689A (enExample) 1972-01-04
GB1328016A (en) 1973-08-22
DE2131231A1 (de) 1972-01-13

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