JPH0582651B2 - - Google Patents
Info
- Publication number
- JPH0582651B2 JPH0582651B2 JP12915784A JP12915784A JPH0582651B2 JP H0582651 B2 JPH0582651 B2 JP H0582651B2 JP 12915784 A JP12915784 A JP 12915784A JP 12915784 A JP12915784 A JP 12915784A JP H0582651 B2 JPH0582651 B2 JP H0582651B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- ferromagnetic
- present
- thin film
- 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.)
- Expired - Fee Related
Links
- 230000005291 magnetic effect Effects 0.000 claims description 40
- 230000005294 ferromagnetic effect Effects 0.000 claims description 27
- 239000010409 thin film Substances 0.000 claims description 13
- 238000007885 magnetic separation Methods 0.000 claims description 10
- 150000004767 nitrides Chemical class 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 5
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 230000005389 magnetism Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 11
- 239000010408 film Substances 0.000 description 10
- 238000007740 vapor deposition Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910020517 Co—Ti Inorganic materials 0.000 description 2
- 229910020516 Co—V Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- FPVKHBSQESCIEP-JQCXWYLXSA-N pentostatin Chemical compound C1[C@H](O)[C@@H](CO)O[C@H]1N1C(N=CNC[C@H]2O)=C2N=C1 FPVKHBSQESCIEP-JQCXWYLXSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002440 Co–Ni Inorganic materials 0.000 description 1
- 229910020515 Co—W Inorganic materials 0.000 description 1
- 229910003296 Ni-Mo Inorganic materials 0.000 description 1
- 229910002645 Ni-Rh Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- -1 and of course Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12915784A JPS619824A (ja) | 1984-06-25 | 1984-06-25 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12915784A JPS619824A (ja) | 1984-06-25 | 1984-06-25 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS619824A JPS619824A (ja) | 1986-01-17 |
| JPH0582651B2 true JPH0582651B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-11-19 |
Family
ID=15002549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12915784A Granted JPS619824A (ja) | 1984-06-25 | 1984-06-25 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS619824A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2521932B2 (ja) * | 1986-12-05 | 1996-08-07 | ブラザー工業株式会社 | 磁気記録媒体の製造方法 |
| JP2550039B2 (ja) * | 1986-12-12 | 1996-10-30 | 株式会社日立製作所 | 面内磁気記録媒体 |
| JPH1196520A (ja) * | 1997-09-17 | 1999-04-09 | Fujitsu Ltd | 磁気ヘッド及びその製造方法並びに該磁気ヘッドを備えた磁気記録装置 |
-
1984
- 1984-06-25 JP JP12915784A patent/JPS619824A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS619824A (ja) | 1986-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |