DE2015219A1 - Verfahren und Vorrichtung zur Herstellung von Drähten für Magnetspeicher - Google Patents
Verfahren und Vorrichtung zur Herstellung von Drähten für MagnetspeicherInfo
- Publication number
- DE2015219A1 DE2015219A1 DE19702015219 DE2015219A DE2015219A1 DE 2015219 A1 DE2015219 A1 DE 2015219A1 DE 19702015219 DE19702015219 DE 19702015219 DE 2015219 A DE2015219 A DE 2015219A DE 2015219 A1 DE2015219 A1 DE 2015219A1
- Authority
- DE
- Germany
- Prior art keywords
- core
- wire
- magnetic layer
- drum
- measuring
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 238000000034 method Methods 0.000 title claims description 15
- 238000003860 storage Methods 0.000 title description 2
- 238000001556 precipitation Methods 0.000 claims description 17
- 230000000704 physical effect Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000010924 continuous production Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000005868 electrolysis reaction Methods 0.000 description 13
- 239000002244 precipitate Substances 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01F10/06—Thin magnetic films, e.g. of one-domain structure characterised by the coupling or physical contact with connecting or interacting conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/143—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of wires
-
- 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
- Y10S205/00—Electrolysis: processes, compositions used therein, and methods of preparing the compositions
- Y10S205/922—Electrolytic coating of magnetic storage medium, other than selected area coating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Electroplating Methods And Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6910210A FR2039555A5 (enExample) | 1969-04-03 | 1969-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2015219A1 true DE2015219A1 (de) | 1970-10-15 |
Family
ID=9031865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702015219 Pending DE2015219A1 (de) | 1969-04-03 | 1970-03-31 | Verfahren und Vorrichtung zur Herstellung von Drähten für Magnetspeicher |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3669866A (enExample) |
| BE (1) | BE748285A (enExample) |
| DE (1) | DE2015219A1 (enExample) |
| FR (1) | FR2039555A5 (enExample) |
| GB (1) | GB1308678A (enExample) |
| NL (1) | NL165875C (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1372341A (en) * | 1973-04-05 | 1974-10-30 | Standard Telephones Cables Ltd | Apparatus and method for continuously electroplating metal on moving wire |
| US4038169A (en) * | 1975-02-18 | 1977-07-26 | National Plastics & Plating Supply | Indexing system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2580801A (en) * | 1946-04-10 | 1952-01-01 | American Steel & Wire Co | Method of making lustrous steel music wire |
| NL265014A (enExample) * | 1960-05-19 | |||
| US3287238A (en) * | 1963-06-07 | 1966-11-22 | Westinghouse Electric Corp | Method of electropolishing tungsten wire |
| US3468783A (en) * | 1965-03-08 | 1969-09-23 | Republic Steel Corp | Electroplating apparatus |
-
1969
- 1969-04-03 FR FR6910210A patent/FR2039555A5/fr not_active Expired
-
1970
- 1970-03-12 NL NL7003512.A patent/NL165875C/xx not_active IP Right Cessation
- 1970-03-31 DE DE19702015219 patent/DE2015219A1/de active Pending
- 1970-04-01 BE BE748285D patent/BE748285A/xx unknown
- 1970-04-01 US US24635A patent/US3669866A/en not_active Expired - Lifetime
- 1970-04-03 GB GB1602670A patent/GB1308678A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL165875C (nl) | 1981-05-15 |
| FR2039555A5 (enExample) | 1971-01-15 |
| GB1308678A (en) | 1973-02-21 |
| NL7003512A (enExample) | 1970-10-06 |
| BE748285A (fr) | 1970-09-16 |
| US3669866A (en) | 1972-06-13 |
| NL165875B (nl) | 1980-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OGA | New person/name/address of the applicant | ||
| OHW | Rejection |