GB1203195A - Substrates coated with magnetic layers - Google Patents

Substrates coated with magnetic layers

Info

Publication number
GB1203195A
GB1203195A GB04819/69A GB1481969A GB1203195A GB 1203195 A GB1203195 A GB 1203195A GB 04819/69 A GB04819/69 A GB 04819/69A GB 1481969 A GB1481969 A GB 1481969A GB 1203195 A GB1203195 A GB 1203195A
Authority
GB
United Kingdom
Prior art keywords
magnetic
substrate
march
salts
magnetic layers
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
GB04819/69A
Other languages
English (en)
Inventor
Joseph Louis Blanchard
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.)
Compagnie Internationale pour lInformatique
Original Assignee
Compagnie Internationale pour lInformatique
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 Compagnie Internationale pour lInformatique filed Critical Compagnie Internationale pour lInformatique
Publication of GB1203195A publication Critical patent/GB1203195A/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
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/48—Coating with alloys
    • C23C18/50—Coating with alloys with alloys based on iron, cobalt or nickel
    • 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
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/936—Chemical deposition, e.g. electroless plating
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Chemically Coating (AREA)
  • Magnetic Record Carriers (AREA)
GB04819/69A 1968-03-26 1969-03-20 Substrates coated with magnetic layers Expired GB1203195A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR145354 1968-03-26

Publications (1)

Publication Number Publication Date
GB1203195A true GB1203195A (en) 1970-08-26

Family

ID=8648011

Family Applications (1)

Application Number Title Priority Date Filing Date
GB04819/69A Expired GB1203195A (en) 1968-03-26 1969-03-20 Substrates coated with magnetic layers

Country Status (6)

Country Link
US (1) US3647400A (enrdf_load_stackoverflow)
BE (1) BE729758A (enrdf_load_stackoverflow)
DE (1) DE1914984A1 (enrdf_load_stackoverflow)
FR (1) FR1569008A (enrdf_load_stackoverflow)
GB (1) GB1203195A (enrdf_load_stackoverflow)
NL (1) NL6904425A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1052649A (enrdf_load_stackoverflow) * 1964-06-05
US3558306A (en) * 1966-03-09 1971-01-26 Sperry Rand Corp Electrolessly deposited magnetic cobalt alloys

Also Published As

Publication number Publication date
BE729758A (enrdf_load_stackoverflow) 1969-08-18
US3647400A (en) 1972-03-07
NL6904425A (enrdf_load_stackoverflow) 1969-09-30
DE1914984A1 (de) 1969-10-16
FR1569008A (enrdf_load_stackoverflow) 1969-05-30

Similar Documents

Publication Publication Date Title
JPS62246145A (ja) 無電解沈着磁気記録媒体法
US4128691A (en) Process for the production of a magnetic recording medium
US3245826A (en) Magnetic recording medium and method of manufacture
US3219471A (en) Process of depositing ferromagnetic compositions
GB1339157A (en) Electroless plating
GB1052649A (enrdf_load_stackoverflow)
GB1432643A (en) Manufacture of cobalt-modified ypsilon-iron-iii-oxides
GB1014271A (en) Deposition of nickel-cobalt alloy on aluminium substrates
US4724188A (en) Magnetic recording medium
US3360397A (en) Process of chemically depositing a magnetic cobalt film from a bath containing malonate and citrate ions
GB1203195A (en) Substrates coated with magnetic layers
GB1244101A (en) Metallising a substrate
US3558306A (en) Electrolessly deposited magnetic cobalt alloys
GB1350855A (en) Rhodium containing superalloy coatings
GB1192100A (en) Method of Treating a Protective Copper Layer Formed on a Reflective Silver Layer
US3265596A (en) Cobalt-nickel alloy plating baths
JPH02301591A (ja) 鉄ニッケル合金メッキ浴
SU621807A1 (ru) Электролит дл осаждени магнитного сплава кобальт-вольфрам
JPS6381622A (ja) 磁気記録体およびその製造方法
GB1258629A (enrdf_load_stackoverflow)
GB1132315A (en) Magnetic alloys and method and composition useful for preparing same
US3446657A (en) Coating method
GB1045086A (en) Magnetic recording medium and method of manufacture
JPS5767156A (en) Electroless plating bath
JPS5858270A (ja) 無電解めつき浴

Legal Events

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