JPH0337724B2 - - Google Patents
Info
- Publication number
- JPH0337724B2 JPH0337724B2 JP58072075A JP7207583A JPH0337724B2 JP H0337724 B2 JPH0337724 B2 JP H0337724B2 JP 58072075 A JP58072075 A JP 58072075A JP 7207583 A JP7207583 A JP 7207583A JP H0337724 B2 JPH0337724 B2 JP H0337724B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- composition
- relationship
- coercive force
- perpendicularly magnetized
- 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 - Lifetime
Links
- 239000010408 film Substances 0.000 claims description 49
- 230000005291 magnetic effect Effects 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 11
- 239000010409 thin film Substances 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 8
- 230000004907 flux Effects 0.000 claims description 8
- 230000005415 magnetization Effects 0.000 description 23
- 238000001704 evaporation Methods 0.000 description 10
- 230000008020 evaporation Effects 0.000 description 9
- 230000005294 ferromagnetic effect Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 125000004429 atom Chemical group 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229910020630 Co Ni Inorganic materials 0.000 description 2
- 229910002440 Co–Ni Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910020641 Co Zr Inorganic materials 0.000 description 1
- 229910020647 Co-O Inorganic materials 0.000 description 1
- 229910020704 Co—O Inorganic materials 0.000 description 1
- 229910020520 Co—Zr Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910018553 Ni—O Inorganic materials 0.000 description 1
- 229920001646 UPILEX Polymers 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- Physical Vapour Deposition (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58072075A JPS59198707A (ja) | 1983-04-26 | 1983-04-26 | 垂直磁気記録体 |
| EP84301530A EP0122030B1 (fr) | 1983-03-08 | 1984-03-08 | Milieu d'enregistrement magnétique et procédé pour la fabrication d'un tel milieu |
| DE8484301530T DE3465647D1 (en) | 1983-03-08 | 1984-03-08 | A magnetic recording member and a manufacturing method for such a member |
| US07/412,535 US5024854A (en) | 1983-03-08 | 1989-09-22 | Method of manufacturing perpendicular type magnetic recording member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58072075A JPS59198707A (ja) | 1983-04-26 | 1983-04-26 | 垂直磁気記録体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59198707A JPS59198707A (ja) | 1984-11-10 |
| JPH0337724B2 true JPH0337724B2 (fr) | 1991-06-06 |
Family
ID=13478921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58072075A Granted JPS59198707A (ja) | 1983-03-08 | 1983-04-26 | 垂直磁気記録体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59198707A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60170213A (ja) * | 1984-02-15 | 1985-09-03 | Yoshifumi Sakurai | 磁性薄膜およびその製法 |
| CA1315612C (fr) * | 1986-03-18 | 1993-04-06 | Shogo Nasu | Support d'enregistrement magnetique perpendiculaire |
| JPH0191314A (ja) * | 1987-10-01 | 1989-04-11 | Kanegafuchi Chem Ind Co Ltd | 垂直磁気記録媒体 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5615014A (en) * | 1979-07-18 | 1981-02-13 | Matsushita Electric Ind Co Ltd | Metallic thin film type magnetic recording medium |
| JPS57113417A (en) * | 1980-12-29 | 1982-07-14 | Sony Corp | Magnetic recording medium |
| JPS59140629A (ja) * | 1983-01-31 | 1984-08-13 | Hitachi Ltd | 垂直磁気記録媒体の製造方法 |
| JPS59163810A (ja) * | 1983-03-08 | 1984-09-14 | Ulvac Corp | 垂直磁気記録体並びにその製造法 |
-
1983
- 1983-04-26 JP JP58072075A patent/JPS59198707A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5615014A (en) * | 1979-07-18 | 1981-02-13 | Matsushita Electric Ind Co Ltd | Metallic thin film type magnetic recording medium |
| JPS57113417A (en) * | 1980-12-29 | 1982-07-14 | Sony Corp | Magnetic recording medium |
| JPS59140629A (ja) * | 1983-01-31 | 1984-08-13 | Hitachi Ltd | 垂直磁気記録媒体の製造方法 |
| JPS59163810A (ja) * | 1983-03-08 | 1984-09-14 | Ulvac Corp | 垂直磁気記録体並びにその製造法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59198707A (ja) | 1984-11-10 |
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|---|---|---|
| JPH0533461B2 (fr) | ||
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