CH425393A - Procedimento per la preparazione di pellicole magnetiche sottili - Google Patents

Procedimento per la preparazione di pellicole magnetiche sottili

Info

Publication number
CH425393A
CH425393A CH1154261A CH1154261A CH425393A CH 425393 A CH425393 A CH 425393A CH 1154261 A CH1154261 A CH 1154261A CH 1154261 A CH1154261 A CH 1154261A CH 425393 A CH425393 A CH 425393A
Authority
CH
Switzerland
Prior art keywords
preparation
magnetic films
thin magnetic
thin
films
Prior art date
Application number
CH1154261A
Other languages
English (en)
Italian (it)
Inventor
S Mathias Joseph
F Schneider Edwin
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 CH425393A publication Critical patent/CH425393A/it

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)
CH1154261A 1960-10-05 1961-10-04 Procedimento per la preparazione di pellicole magnetiche sottili CH425393A (it)

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
CH425393A true CH425393A (it) 1966-11-30

Family

ID=22031429

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1154261A CH425393A (it) 1960-10-05 1961-10-04 Procedimento per la preparazione di pellicole magnetiche sottili

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
GB950342A (en) 1964-02-26
NL269912A (en:Method)
US3119753A (en) 1964-01-28
DE1147817B (de) 1963-04-25

Similar Documents

Publication Publication Date Title
NL131511C (nl) Werkwijze ter bereiding van lineaire polyesters
CH425393A (it) Procedimento per la preparazione di pellicole magnetiche sottili
BE601202A (nl) Werkwijze ter bereiding van epichloorhydrine
CH356003A (de) Magnetisches Spannfutter
CH443525A (de) Verfahren zur Herstellung von linearen Chinacridonen
FR1281911A (fr) Dépôt électrolytique de pellicules magnétiques minces
FR1300496A (fr) Transducteur magnétique
CH395046A (de) Verfahren zur Herstellung von Polyoxyalkylen-alkylglukosiden
FR1306146A (fr) Microsonde notamment pour applications médicales
FR1299152A (fr) Pellicules magnétiques isotropes
FI43989C (fi) Menetelmä antibioottisesti vaikuttavien 5-sulfaniiliamido-5-alkoksi-pyrimidiinien valmistamiseksi
CH419590A (it) Procedimento per la preparazione di polveri termoplastiche
CH376520A (it) Procedimento per la preparazione di 4-idrossi-cumarine
FR1323403A (fr) Production de pellicules épitaxiques
FI35472A (fi) Menetelmä naftaleenin valmistamiseksi
CH415597A (it) Procedimento per la preparazione di alcooli terziari
BE608536A (nl) Werkwijze ter bereiding van alcoholen
CH420194A (it) Procedimento di preparazione di composti ad azione coronaro-dilatatrice
FR1302747A (fr) Procédé de préparation de pellicules magnétiques minces
CA609702A (en) Method of processing film
FI40635C (fi) Menetelmä alifaattisten hydroksi-diamiinien valmistamiseksi
FI35821A (fi) Menetelmä trialkoksibentsyyli-1-piperatsiinien valmistamiseksi
FI36871A (fi) Menetelmä dibentsodiatsepinonien valmistamiseksi
FI35326A (fi) Menetelmä difenyylikarbamidin johdannaisten valmistamiseksi
FI32318A (fi) Menetelmä oksiketonien valmistamiseksi