CA1255972A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- CA1255972A CA1255972A CA000472361A CA472361A CA1255972A CA 1255972 A CA1255972 A CA 1255972A CA 000472361 A CA000472361 A CA 000472361A CA 472361 A CA472361 A CA 472361A CA 1255972 A CA1255972 A CA 1255972A
- Authority
- CA
- Canada
- Prior art keywords
- magnetic
- phase
- recording medium
- magnetic recording
- layer
- 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
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 102
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 229910020630 Co Ni Inorganic materials 0.000 claims abstract description 11
- 229910002440 Co–Ni Inorganic materials 0.000 claims abstract description 11
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 11
- 239000000956 alloy Substances 0.000 claims abstract description 11
- 239000013078 crystal Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- 229910052745 lead Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229910052716 thallium Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 230000005294 ferromagnetic effect Effects 0.000 abstract description 8
- 230000008021 deposition Effects 0.000 abstract description 2
- 239000010953 base metal Substances 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 229910002056 binary alloy Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000002050 diffraction method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 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
Landscapes
- Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59015459A JPS60160015A (ja) | 1984-01-31 | 1984-01-31 | 磁気記録媒体 |
| JP15459/84 | 1984-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1255972A true CA1255972A (en) | 1989-06-20 |
Family
ID=11889378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000472361A Expired CA1255972A (en) | 1984-01-31 | 1985-01-18 | Magnetic recording medium |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS60160015A (ja) |
| CA (1) | CA1255972A (ja) |
| DE (1) | DE3503109A1 (ja) |
| FR (1) | FR2558981B1 (ja) |
| GB (1) | GB2153852B (ja) |
| NL (1) | NL8500246A (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR870011582A (ko) * | 1986-05-27 | 1987-12-24 | 시노하라 아끼라 | 자기 기록 매체 |
| US11637234B2 (en) | 2017-09-15 | 2023-04-25 | Tokyo Institute Of Technology | Manufacturing method for multilayer structure of magnetic body and BiSb layer, magnetoresistive memory, and pure spin injection source |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1511664A (fr) * | 1966-12-23 | 1968-02-02 | Commissariat Energie Atomique | Couches minces à fort champ coercitif |
| CA1131438A (en) * | 1978-07-21 | 1982-09-14 | Tu Chen | Method and alloying elements for producing high coercive force and high squareness magnetic film for magnetic recording medium |
| CA1188796A (en) * | 1981-04-14 | 1985-06-11 | Kenji Yazawa | Magnetic recording medium |
| US4438066A (en) * | 1981-06-30 | 1984-03-20 | International Business Machines Corporation | Zero to low magnetostriction, high coercivity, polycrystalline, Co-Pt magnetic recording media |
| JPS5968815A (ja) * | 1982-10-12 | 1984-04-18 | Sony Corp | 磁気記録媒体 |
-
1984
- 1984-01-31 JP JP59015459A patent/JPS60160015A/ja active Pending
-
1985
- 1985-01-18 CA CA000472361A patent/CA1255972A/en not_active Expired
- 1985-01-29 NL NL8500246A patent/NL8500246A/nl not_active Application Discontinuation
- 1985-01-29 GB GB08502154A patent/GB2153852B/en not_active Expired
- 1985-01-30 DE DE19853503109 patent/DE3503109A1/de not_active Withdrawn
- 1985-01-31 FR FR8501370A patent/FR2558981B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2558981A1 (fr) | 1985-08-02 |
| NL8500246A (nl) | 1985-08-16 |
| FR2558981B1 (fr) | 1988-11-25 |
| GB2153852A (en) | 1985-08-29 |
| GB8502154D0 (en) | 1985-02-27 |
| JPS60160015A (ja) | 1985-08-21 |
| GB2153852B (en) | 1987-04-29 |
| DE3503109A1 (de) | 1985-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |