FR1440178A - Procédé de fabrication de bandes magnétiques - Google Patents
Procédé de fabrication de bandes magnétiquesInfo
- Publication number
- FR1440178A FR1440178A FR14326A FR14326A FR1440178A FR 1440178 A FR1440178 A FR 1440178A FR 14326 A FR14326 A FR 14326A FR 14326 A FR14326 A FR 14326A FR 1440178 A FR1440178 A FR 1440178A
- Authority
- FR
- France
- Prior art keywords
- manufacturing process
- magnetic tape
- tape manufacturing
- magnetic
- tape
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title 1
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
-
- 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
-
- 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
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
- C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
-
- 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
- C25D7/06—Wires; Strips; Foils
- C25D7/0614—Strips or foils
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR14326A FR1440178A (fr) | 1964-04-27 | 1965-04-23 | Procédé de fabrication de bandes magnétiques |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US363342A US3362893A (en) | 1964-04-27 | 1964-04-27 | Method and apparatus for the high speed production of magnetic films |
FR14326A FR1440178A (fr) | 1964-04-27 | 1965-04-23 | Procédé de fabrication de bandes magnétiques |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1440178A true FR1440178A (fr) | 1966-05-27 |
Family
ID=26163338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR14326A Expired FR1440178A (fr) | 1964-04-27 | 1965-04-23 | Procédé de fabrication de bandes magnétiques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1440178A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0428262A2 (fr) * | 1989-10-13 | 1991-05-22 | THORN EMI plc | Fabrication d'articles électromagnétiques, par exemple des étiquettes répondeurs |
-
1965
- 1965-04-23 FR FR14326A patent/FR1440178A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0428262A2 (fr) * | 1989-10-13 | 1991-05-22 | THORN EMI plc | Fabrication d'articles électromagnétiques, par exemple des étiquettes répondeurs |
EP0428262A3 (en) * | 1989-10-13 | 1992-02-12 | Thorn Emi Plc | Manufacture of electromagnetic articles, e.g. responder tags |
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