GB950342A - Method of preparing thin magnetic films - Google Patents

Method of preparing thin magnetic films

Info

Publication number
GB950342A
GB950342A GB34704/61A GB3470461A GB950342A GB 950342 A GB950342 A GB 950342A GB 34704/61 A GB34704/61 A GB 34704/61A GB 3470461 A GB3470461 A GB 3470461A GB 950342 A GB950342 A GB 950342A
Authority
GB
United Kingdom
Prior art keywords
film
hypophosphite
plated
thin magnetic
per
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
GB34704/61A
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.)
Unisys Corp
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB950342A publication Critical patent/GB950342A/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
    • G11B5/653—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Fe or Ni
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
    • 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
    • H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
    • H01F10/14—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing iron or nickel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/24—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids
    • H01F41/26—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids using electric currents, e.g. electroplating

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Thin Magnetic Films (AREA)
  • Chemically Coating (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Electroplating Methods And Accessories (AREA)
GB34704/61A 1960-10-05 1961-09-27 Method of preparing thin magnetic films Expired GB950342A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60735A US3119753A (en) 1960-10-05 1960-10-05 Method of preparing thin magnetic films

Publications (1)

Publication Number Publication Date
GB950342A true GB950342A (en) 1964-02-26

Family

ID=22031429

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34704/61A Expired GB950342A (en) 1960-10-05 1961-09-27 Method of preparing thin magnetic films

Country Status (5)

Country Link
US (1) US3119753A (en:Method)
CH (1) CH425393A (en:Method)
DE (1) DE1147817B (en:Method)
GB (1) GB950342A (en:Method)
NL (1) NL269912A (en:Method)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350180A (en) * 1967-10-31 Magnetic device with alternating lami- na of magnetic material and non-mag- netic metal on a substrate
US3255033A (en) * 1961-12-28 1966-06-07 Ibm Electroless plating of a substrate with nickel-iron alloys and the coated substrate
US3272727A (en) 1962-08-23 1966-09-13 Ibm Process for electroplating magnetic alloy onto a platinized chromium substrate
US3393982A (en) * 1962-11-08 1968-07-23 Ncr Co Ferromagnetic storage devices having uniaxial anisotropy
US3353986A (en) * 1963-11-20 1967-11-21 Sperry Rand Corp Electroless deposition of cobalt-ironphosphorous magnetic material
FR1397417A (fr) * 1964-03-09 1965-04-30 Ibm France Nouveaux perfectionnements aux procédés de dépôt d'une couche magnétique par voie électrolytique
US3297418A (en) * 1964-04-24 1967-01-10 Firestone Stanley Magnetic thin film element and method of manufacture
US3354059A (en) * 1964-08-12 1967-11-21 Ibm Electrodeposition of nickel-iron magnetic alloy films
US3549508A (en) * 1965-11-19 1970-12-22 Toko Inc Process for producing magnetic thin film wire by multiple-layer electrodeposition
US3699553A (en) * 1971-02-12 1972-10-17 Us Navy Nondestructive readout thin film memory device and method therefor
US5576099A (en) * 1990-02-09 1996-11-19 International Business Machines Corporation Inductive head lamination with layer of magnetic quenching material
CN102409375B (zh) * 2011-12-01 2014-07-09 广州市海珠区金穗达表面技术发展中心 一种镍磷合金电镀液及其使用方法
CN104451829B (zh) * 2014-11-20 2017-06-27 长沙理工大学 一种镍‑铁‑磷/纳米v8c7复合电镀液
CN106381510A (zh) * 2016-12-06 2017-02-08 刘志红 一种Ni‑Fe‑P合金基复合镀层的制备工艺
CN106757287A (zh) * 2016-12-06 2017-05-31 刘志红 一种Fe‑Ni‑P基复合镀层的制备工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1965399A (en) * 1929-06-25 1934-07-03 Western Electric Co Method of and apparatus for electro-chemically producing articles
US2644787A (en) * 1950-01-05 1953-07-07 Eckert Mauchly Comp Corp Electrodeposition of a magnetic coating
US2643221A (en) * 1950-11-30 1953-06-23 Us Army Electrodeposition of phosphorusnickel and phosphorus-cobalt alloys
NL243931A (en:Method) * 1958-10-01

Also Published As

Publication number Publication date
CH425393A (it) 1966-11-30
NL269912A (en:Method)
US3119753A (en) 1964-01-28
DE1147817B (de) 1963-04-25

Similar Documents

Publication Publication Date Title
GB950342A (en) Method of preparing thin magnetic films
ES438408A1 (es) Procedimiento para la preparacion de un bano para la depo- sicion de aleaciones de metales nobles por via galvanica.
ES450677A1 (es) Procedimiento para fabricar granalla de ferro-niquel para lagalvanoplastia.
GB939007A (en) Bright gold electroplating
GB1379830A (en) Process for bonding titanium or tantalum to copper o' iron
GB859725A (en) Improvements in or relating to methods of depositing nickel-iron films
ES419556A2 (es) Metodo de incrementar la dureza de una pelicula formada sobre la superficie de una aleacion.
GB1383417A (en) Electroplating with magnetic material
GB575309A (en) Improvements in or relating to electro-plating
US2219977A (en) Process for producing coatings on zinc and galvanized articles
GB1260424A (en) Oxidation resistant iron base alloy containing chromium and aluminum and/or silicon
GB1190987A (en) Method for Making a self-Lubricating Surface Layer on Metallic Surfaces Subjected to Friction
ES8304223A1 (es) Un procedimiento para la produccion de depositos blancos de paladio metalico sobre un sustrato.
GB526966A (en) Improvements in or relating to methods of electrobuffing nickel
GB922212A (en) Improvements in or relating to a method of making ferromagnetic material from a nickel base alloy
GB1274733A (en) Process for modifying glass and other articles
SU132918A1 (ru) Электролит дл гальванопластического наращивани железных изделий сложного профил
GB661346A (en) Silvering of glass and other electrical non-conductors
GB759181A (en) Improvements in or relating to a process for electrodepositing gold and a composition of matter for use therewith
JPS5767156A (en) Electroless plating bath
GB1033194A (en) Process for surface-treating iron and steel materials to bestow high acid and wear resistivity
GB850468A (en) Improvements in or relating to electro-deposition
IE35763B1 (en) Process for treating surfaces of plastics materials
ES388292A1 (es) Un procedimiento para la deposicion electrolitica de oro.
GB795160A (en) Improvements in or relating to methods of passivating silver