GB997898A - Production of magnetic tape - Google Patents
Production of magnetic tapeInfo
- Publication number
- GB997898A GB997898A GB36687/63A GB3668763A GB997898A GB 997898 A GB997898 A GB 997898A GB 36687/63 A GB36687/63 A GB 36687/63A GB 3668763 A GB3668763 A GB 3668763A GB 997898 A GB997898 A GB 997898A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cobalt
- nickel
- conductive layer
- tape
- deposition
- 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
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 6
- UPPLJLAHMKABPR-UHFFFAOYSA-H 2-hydroxypropane-1,2,3-tricarboxylate;nickel(2+) Chemical compound [Ni+2].[Ni+2].[Ni+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O UPPLJLAHMKABPR-UHFFFAOYSA-H 0.000 abstract 2
- 239000011230 binding agent Substances 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 238000000151 deposition Methods 0.000 abstract 2
- 230000008021 deposition Effects 0.000 abstract 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 abstract 2
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- 238000007747 plating Methods 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 2
- 229910000906 Bronze Inorganic materials 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- 229910000531 Co alloy Inorganic materials 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 abstract 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 abstract 1
- 229910000990 Ni alloy Inorganic materials 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- YHUFNUZEVPOPQI-UHFFFAOYSA-J [Co+4].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O Chemical compound [Co+4].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O YHUFNUZEVPOPQI-UHFFFAOYSA-J 0.000 abstract 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 1
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 239000010974 bronze Substances 0.000 abstract 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 abstract 1
- WLQXLCXXAPYDIU-UHFFFAOYSA-L cobalt(2+);disulfamate Chemical compound [Co+2].NS([O-])(=O)=O.NS([O-])(=O)=O WLQXLCXXAPYDIU-UHFFFAOYSA-L 0.000 abstract 1
- SCNCIXKLOBXDQB-UHFFFAOYSA-K cobalt(3+);2-hydroxypropane-1,2,3-tricarboxylate Chemical class [Co+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O SCNCIXKLOBXDQB-UHFFFAOYSA-K 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000004070 electrodeposition Methods 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 abstract 1
- 238000009713 electroplating Methods 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
- -1 tartrate Chemical class 0.000 abstract 1
- 229940095064 tartrate Drugs 0.000 abstract 1
- 229920002554 vinyl polymer Polymers 0.000 abstract 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
- 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
-
- 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
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/858—Producing a magnetic layer by electro-plating or electroless plating
Abstract
Magnetic tape consists of a plastic tape substrate first rendered conductive by applying a conductive layer to the substrate by normal methods, and second electroplating a magnetic material thereon, preferably Ni/Co alloy, e.g. from an electrolyte of their complex compounds, e.g. tartrate, or nitrilo-acetate, and applied at low power, e.g. 0.01-20.0 A.S.D. The conductive layer may be nickel, graphite, bronze, copper, silver or aluminium in powder form, and applied by vapour deposition, suspended in a binder or emulsion, or blown on to the tape coated with adhesives. Binders specified include polyvinyl compounds, poly-acrylates, or other esters. The Ni/Co deposition is improved by adding salts of alkalis or alkaline earth metals, and the magnetic properties are improved by including small amounts of metals of Group Va, VI, or VII. An apparatus is shown in which the tape bearing a conductive layer is cleaned and etched before plating in a bath with the usual rollers. In examples, the plating baths are (1) nickel and cobalt citrates and lithium chloride, (2) nickel citrate and chloride, and cobalt sulphamate, (3) cobalt tetra-acetate, cobalt chloride, nickel citrate, manganous sulphate, and ethylene diamine. Power applied is 2-4 volts at 0.5-1.0 A.S.D. A magnetic field may be applied during electro-deposition.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB68943A DE1253004B (en) | 1962-09-20 | 1962-09-20 | Process for the galvanic production of layer magnetogram carriers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB997898A true GB997898A (en) | 1965-07-14 |
Family
ID=6976096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB36687/63A Expired GB997898A (en) | 1962-09-20 | 1963-09-18 | Production of magnetic tape |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1253004B (en) |
| GB (1) | GB997898A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5330656B1 (en) * | 1971-05-19 | 1978-08-29 | ||
| US4191617A (en) * | 1979-03-30 | 1980-03-04 | The International Nickel Company, Inc. | Process for electroplating directly plateable plastic with cobalt alloy strike and article thereof |
| US4195117A (en) * | 1979-03-09 | 1980-03-25 | The International Nickel Company, Inc. | Process for electroplating directly plateable plastic with nickel-iron alloy strike and article thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2619454A (en) * | 1945-08-30 | 1952-11-25 | Brush Dev Co | Method of manufacturing a magnetic recording medium by electrodeposition |
| NL224265A (en) * | 1957-01-22 |
-
1962
- 1962-09-20 DE DEB68943A patent/DE1253004B/en active Pending
-
1963
- 1963-09-18 GB GB36687/63A patent/GB997898A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5330656B1 (en) * | 1971-05-19 | 1978-08-29 | ||
| US4195117A (en) * | 1979-03-09 | 1980-03-25 | The International Nickel Company, Inc. | Process for electroplating directly plateable plastic with nickel-iron alloy strike and article thereof |
| US4191617A (en) * | 1979-03-30 | 1980-03-04 | The International Nickel Company, Inc. | Process for electroplating directly plateable plastic with cobalt alloy strike and article thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1253004B (en) | 1967-10-26 |
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