JPS59185023A - 磁気記録媒体 - Google Patents
磁気記録媒体Info
- Publication number
- JPS59185023A JPS59185023A JP58059461A JP5946183A JPS59185023A JP S59185023 A JPS59185023 A JP S59185023A JP 58059461 A JP58059461 A JP 58059461A JP 5946183 A JP5946183 A JP 5946183A JP S59185023 A JPS59185023 A JP S59185023A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic recording
- hydroxide
- layer
- ferromagnetic metal
- recording medium
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 38
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims abstract description 18
- 239000010409 thin film Substances 0.000 claims abstract description 17
- 239000013081 microcrystal Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 20
- 239000010408 film Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 238000007740 vapor deposition Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 229910020598 Co Fe Inorganic materials 0.000 abstract description 2
- 229910002519 Co-Fe Inorganic materials 0.000 abstract description 2
- 239000011247 coating layer Substances 0.000 abstract description 2
- 230000004907 flux Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004544 sputter deposition Methods 0.000 abstract description 2
- 229910020630 Co Ni Inorganic materials 0.000 abstract 1
- 229910002440 Co–Ni Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 238000010894 electron beam technology Methods 0.000 abstract 1
- 150000004679 hydroxides Chemical class 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 6
- -1 Co-8m Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010952 cobalt-chrome Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005566 electron beam evaporation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- TWJNQYPJQDRXPH-UHFFFAOYSA-N 2-cyanobenzohydrazide Chemical compound NNC(=O)C1=CC=CC=C1C#N TWJNQYPJQDRXPH-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910020637 Co-Cu Inorganic materials 0.000 description 1
- 229910020705 Co—Rh Inorganic materials 0.000 description 1
- 229910020517 Co—Ti Inorganic materials 0.000 description 1
- 229910020515 Co—W Inorganic materials 0.000 description 1
- 229910017060 Fe Cr Inorganic materials 0.000 description 1
- 229910002544 Fe-Cr Inorganic materials 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N Myristic acid Natural products CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
- 235000021360 Myristic acid Nutrition 0.000 description 1
- 241000238413 Octopus Species 0.000 description 1
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000001941 electron spectroscopy Methods 0.000 description 1
- 238000001017 electron-beam sputter deposition Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003746 surface roughness Effects 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
- 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)
- Thin Magnetic Films (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58059461A JPS59185023A (ja) | 1983-04-04 | 1983-04-04 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58059461A JPS59185023A (ja) | 1983-04-04 | 1983-04-04 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59185023A true JPS59185023A (ja) | 1984-10-20 |
| JPH0459686B2 JPH0459686B2 (enrdf_load_stackoverflow) | 1992-09-24 |
Family
ID=13113967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58059461A Granted JPS59185023A (ja) | 1983-04-04 | 1983-04-04 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59185023A (enrdf_load_stackoverflow) |
-
1983
- 1983-04-04 JP JP58059461A patent/JPS59185023A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0459686B2 (enrdf_load_stackoverflow) | 1992-09-24 |
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