JPS6330692B2 - - Google Patents
Info
- Publication number
- JPS6330692B2 JPS6330692B2 JP56030742A JP3074281A JPS6330692B2 JP S6330692 B2 JPS6330692 B2 JP S6330692B2 JP 56030742 A JP56030742 A JP 56030742A JP 3074281 A JP3074281 A JP 3074281A JP S6330692 B2 JPS6330692 B2 JP S6330692B2
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- ferromagnetic thin
- magnetic recording
- recording medium
- films
- 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 claims description 28
- 230000005291 magnetic effect Effects 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 8
- 239000010409 thin film Substances 0.000 description 36
- 239000010410 layer Substances 0.000 description 19
- 239000010408 film Substances 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000011029 spinel Substances 0.000 description 5
- 229910052596 spinel Inorganic materials 0.000 description 5
- 238000000151 deposition Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 0.000 description 1
- 229910002440 Co–Ni Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
- G11B5/672—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements
Landscapes
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56030742A JPS57147130A (en) | 1981-03-03 | 1981-03-03 | Magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56030742A JPS57147130A (en) | 1981-03-03 | 1981-03-03 | Magnetic recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57147130A JPS57147130A (en) | 1982-09-10 |
| JPS6330692B2 true JPS6330692B2 (en, 2012) | 1988-06-20 |
Family
ID=12312125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56030742A Granted JPS57147130A (en) | 1981-03-03 | 1981-03-03 | Magnetic recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57147130A (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0477091U (en, 2012) * | 1990-11-19 | 1992-07-06 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59185024A (ja) * | 1983-04-04 | 1984-10-20 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
| SG96659A1 (en) | 2001-11-08 | 2003-06-16 | Inst Data Storage | Laminated antiferromagnetically coupled media for data storage |
-
1981
- 1981-03-03 JP JP56030742A patent/JPS57147130A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0477091U (en, 2012) * | 1990-11-19 | 1992-07-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57147130A (en) | 1982-09-10 |
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