GB954880A - Process for fabricating magnetic data storage devices - Google Patents
Process for fabricating magnetic data storage devicesInfo
- Publication number
- GB954880A GB954880A GB5997/63A GB599763A GB954880A GB 954880 A GB954880 A GB 954880A GB 5997/63 A GB5997/63 A GB 5997/63A GB 599763 A GB599763 A GB 599763A GB 954880 A GB954880 A GB 954880A
- Authority
- GB
- United Kingdom
- Prior art keywords
- litre
- drum
- grams
- coating
- peened
- 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
- 238000013500 data storage Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000011248 coating agent Substances 0.000 abstract 5
- 238000000576 coating method Methods 0.000 abstract 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 2
- 239000004327 boric acid Substances 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 2
- YCMLQMDWSXFTIF-UHFFFAOYSA-N 2-methylbenzenesulfonimidic acid Chemical compound CC1=CC=CC=C1S(N)(=O)=O YCMLQMDWSXFTIF-UHFFFAOYSA-N 0.000 abstract 1
- 229910000906 Bronze Inorganic materials 0.000 abstract 1
- 229910000760 Hardened steel Inorganic materials 0.000 abstract 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 abstract 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 abstract 1
- 239000004141 Sodium laurylsulphate Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 abstract 1
- 239000010974 bronze Substances 0.000 abstract 1
- 238000005234 chemical deposition Methods 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 abstract 1
- 238000000151 deposition Methods 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 abstract 1
- 238000007747 plating Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- LMYRWZFENFIFIT-UHFFFAOYSA-N toluene-4-sulfonamide Chemical compound CC1=CC=C(S(N)(=O)=O)C=C1 LMYRWZFENFIFIT-UHFFFAOYSA-N 0.000 abstract 1
- 238000007738 vacuum evaporation Methods 0.000 abstract 1
Classifications
-
- 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
-
- 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
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
- G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
-
- 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
- H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
- H01F10/28—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers characterised by the composition of the substrate
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18883662A | 1962-04-19 | 1962-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB954880A true GB954880A (en) | 1964-04-08 |
Family
ID=22694734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5997/63A Expired GB954880A (en) | 1962-04-19 | 1963-02-14 | Process for fabricating magnetic data storage devices |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE630570A (enExample) |
| CH (1) | CH402947A (enExample) |
| DE (1) | DE1199814B (enExample) |
| GB (1) | GB954880A (enExample) |
| NL (2) | NL291687A (enExample) |
-
0
- NL NL126091D patent/NL126091C/xx active
- BE BE630570D patent/BE630570A/xx unknown
- NL NL291687D patent/NL291687A/xx unknown
-
1963
- 1963-02-14 GB GB5997/63A patent/GB954880A/en not_active Expired
- 1963-04-17 CH CH483263A patent/CH402947A/fr unknown
- 1963-04-17 DE DEN23047A patent/DE1199814B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL126091C (enExample) | |
| BE630570A (enExample) | |
| DE1199814B (de) | 1965-09-02 |
| NL291687A (enExample) | |
| CH402947A (fr) | 1965-11-30 |
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