GB1136493A - Improvements in coupled ferromagnetic foils or layers - Google Patents
Improvements in coupled ferromagnetic foils or layersInfo
- Publication number
- GB1136493A GB1136493A GB14411/66A GB1441166A GB1136493A GB 1136493 A GB1136493 A GB 1136493A GB 14411/66 A GB14411/66 A GB 14411/66A GB 1441166 A GB1441166 A GB 1441166A GB 1136493 A GB1136493 A GB 1136493A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layers
- layer
- magnetic
- prepared
- composition
- 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
- 230000005294 ferromagnetic effect Effects 0.000 title abstract 3
- 239000011888 foil Substances 0.000 title 1
- 230000005291 magnetic effect Effects 0.000 abstract 5
- 239000000203 mixture Substances 0.000 abstract 4
- 239000000956 alloy Substances 0.000 abstract 3
- 229910045601 alloy Inorganic materials 0.000 abstract 3
- 239000003792 electrolyte Substances 0.000 abstract 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 abstract 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- KMPWYEUPVWOPIM-UHFFFAOYSA-N cinchonidine Natural products C1=CC=C2C(C(C3N4CCC(C(C4)C=C)C3)O)=CC=NC2=C1 KMPWYEUPVWOPIM-UHFFFAOYSA-N 0.000 abstract 1
- KMPWYEUPVWOPIM-LSOMNZGLSA-N cinchonine Chemical compound C1=CC=C2C([C@@H]([C@H]3N4CC[C@H]([C@H](C4)C=C)C3)O)=CC=NC2=C1 KMPWYEUPVWOPIM-LSOMNZGLSA-N 0.000 abstract 1
- LOUPRKONTZGTKE-UHFFFAOYSA-N cinchonine Natural products C1C(C(C2)C=C)CCN2C1C(O)C1=CC=NC2=CC=C(OC)C=C21 LOUPRKONTZGTKE-UHFFFAOYSA-N 0.000 abstract 1
- 230000001066 destructive effect Effects 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 229910052738 indium Inorganic materials 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- 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
-
- 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
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
- H01F10/3268—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn
- H01F10/3281—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn only by use of asymmetry of the magnetic film pair itself, i.e. so-called pseudospin valve [PSV] structure, e.g. NiFe/Cu/Co
-
- 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
- Y10S428/923—Physical dimension
- Y10S428/924—Composite
- Y10S428/926—Thickness of individual layer specified
-
- 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
- Y10S428/9265—Special properties
- Y10S428/928—Magnetic property
-
- 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
- Y10T428/12431—Foil or filament smaller than 6 mils
- Y10T428/12438—Composite
-
- 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
- Y10T428/12458—All metal or with adjacent metals having composition, density, or hardness gradient
-
- 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.]
- Y10T428/12736—Al-base component
- Y10T428/1275—Next to Group VIII or IB metal-base component
-
- 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
- Y10T428/12778—Alternative base metals from diverse categories
-
- 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
- Y10T428/12944—Ni-base component
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Thin Magnetic Films (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR11755A FR1438563A (fr) | 1965-04-02 | 1965-04-02 | Perfectionnements aux lames ou couches ferromagnétiques couplées |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1136493A true GB1136493A (en) | 1968-12-11 |
Family
ID=8575539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB14411/66A Expired GB1136493A (en) | 1965-04-02 | 1966-03-31 | Improvements in coupled ferromagnetic foils or layers |
Country Status (6)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652348A (en) * | 1985-10-06 | 1987-03-24 | Technion Research & Development Foundation Ltd. | Method for the production of alloys possessing high elastic modulus and improved magnetic properties by electrodeposition |
| US4678722A (en) * | 1984-11-13 | 1987-07-07 | Uri Cohen | Record member with metallic antifriction overcoat |
| US4923574A (en) * | 1984-11-13 | 1990-05-08 | Uri Cohen | Method for making a record member with a metallic antifriction overcoat |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4407871A (en) * | 1980-03-25 | 1983-10-04 | Ex-Cell-O Corporation | Vacuum metallized dielectric substrates and method of making same |
| US4431711A (en) * | 1980-03-25 | 1984-02-14 | Ex-Cell-O Corporation | Vacuum metallizing a dielectric substrate with indium and products thereof |
| US4749628A (en) * | 1986-04-29 | 1988-06-07 | International Business Machines Corporation | Multilayered vertical magnetic recording medium |
| US5176965A (en) * | 1987-10-05 | 1993-01-05 | Digital Equipment Corporation | Magnetic medium for longitudinal recording |
| US5132859A (en) * | 1990-08-23 | 1992-07-21 | International Business Machines Corporation | Thin film structures for magnetic recording heads |
| EP0710390B1 (en) * | 1993-07-23 | 2001-06-20 | Nonvolatile Electronics, Incorporated | Magnetic structure with stratified layers |
| US5763071A (en) * | 1996-03-11 | 1998-06-09 | Seagate Technology, Inc. | High areal density magnetic recording medium with dual magnetic layers |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3350180A (en) * | 1967-10-31 | Magnetic device with alternating lami- na of magnetic material and non-mag- netic metal on a substrate | ||
| US2923642A (en) * | 1955-10-19 | 1960-02-02 | Ohio Commw Eng Co | Magnetic recording tape |
| US3150939A (en) * | 1961-07-17 | 1964-09-29 | Ibm | High density record carrier |
| US3343145A (en) * | 1962-12-24 | 1967-09-19 | Ibm | Diffused thin film memory device |
| DE1252739B (de) * | 1964-03-17 | 1967-10-26 | Siemens Aktiengesellschaft, Berlin und München, München | Speicherelement mit gestapelten magnetischen Schichten |
-
1965
- 1965-04-02 FR FR11755A patent/FR1438563A/fr not_active Expired
-
1966
- 1966-03-24 US US536997A patent/US3508887A/en not_active Expired - Lifetime
- 1966-03-30 BE BE678664D patent/BE678664A/xx unknown
- 1966-03-31 GB GB14411/66A patent/GB1136493A/en not_active Expired
- 1966-04-01 DE DE19661564554 patent/DE1564554A1/de active Pending
- 1966-04-01 NL NL6604333A patent/NL6604333A/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4678722A (en) * | 1984-11-13 | 1987-07-07 | Uri Cohen | Record member with metallic antifriction overcoat |
| US4923574A (en) * | 1984-11-13 | 1990-05-08 | Uri Cohen | Method for making a record member with a metallic antifriction overcoat |
| US4652348A (en) * | 1985-10-06 | 1987-03-24 | Technion Research & Development Foundation Ltd. | Method for the production of alloys possessing high elastic modulus and improved magnetic properties by electrodeposition |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1564554A1 (de) | 1969-09-25 |
| BE678664A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-09-01 |
| US3508887A (en) | 1970-04-28 |
| NL6604333A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-10-03 |
| FR1438563A (fr) | 1966-05-13 |
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