GB1328016A - Substrates provided with a magnetisable layer - Google Patents

Substrates provided with a magnetisable layer

Info

Publication number
GB1328016A
GB1328016A GB3018171A GB3018171A GB1328016A GB 1328016 A GB1328016 A GB 1328016A GB 3018171 A GB3018171 A GB 3018171A GB 3018171 A GB3018171 A GB 3018171A GB 1328016 A GB1328016 A GB 1328016A
Authority
GB
United Kingdom
Prior art keywords
electro
intermediate layer
alloy
deposited
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
GB3018171A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1328016A publication Critical patent/GB1328016A/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)
GB3018171A 1970-07-01 1971-06-28 Substrates provided with a magnetisable layer Expired GB1328016A (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
GB1328016A true GB1328016A (en) 1973-08-22

Family

ID=19810469

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3018171A Expired GB1328016A (en) 1970-07-01 1971-06-28 Substrates 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001083855A1 (en) * 2000-04-28 2001-11-08 Isis Innovation Limited Textured metal article

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001083855A1 (en) * 2000-04-28 2001-11-08 Isis Innovation Limited Textured metal article

Also Published As

Publication number Publication date
FR2098125A5 (enExample) 1972-03-03
NL7009689A (enExample) 1972-01-04
CA924194A (en) 1973-04-10
DE2131231A1 (de) 1972-01-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees