JPS60193125A - 垂直磁気記録媒体 - Google Patents
垂直磁気記録媒体Info
- Publication number
- JPS60193125A JPS60193125A JP4784384A JP4784384A JPS60193125A JP S60193125 A JPS60193125 A JP S60193125A JP 4784384 A JP4784384 A JP 4784384A JP 4784384 A JP4784384 A JP 4784384A JP S60193125 A JPS60193125 A JP S60193125A
- Authority
- JP
- Japan
- Prior art keywords
- magnetization
- magnetic recording
- axis
- 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.)
- Granted
Links
- 230000005415 magnetization Effects 0.000 claims abstract description 21
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 8
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- 229910052719 titanium Inorganic materials 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000004544 sputter deposition Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000010952 cobalt-chrome Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000005374 Kerr effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4784384A JPS60193125A (ja) | 1984-03-13 | 1984-03-13 | 垂直磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4784384A JPS60193125A (ja) | 1984-03-13 | 1984-03-13 | 垂直磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60193125A true JPS60193125A (ja) | 1985-10-01 |
| JPH0513323B2 JPH0513323B2 (enrdf_load_stackoverflow) | 1993-02-22 |
Family
ID=12786646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4784384A Granted JPS60193125A (ja) | 1984-03-13 | 1984-03-13 | 垂直磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60193125A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61222104A (ja) * | 1984-11-12 | 1986-10-02 | Sumitomo Special Metals Co Ltd | 垂直磁気記録媒体及びその製造方法 |
| US4840845A (en) * | 1986-06-06 | 1989-06-20 | Nec Corporation | Magnetic recording medium having perpendicular magnetic anisotropy |
| DE4238400A1 (en) * | 1991-11-14 | 1993-05-19 | Victor Company Of Japan | Transverse magnetic recording material mfr. - uses sputtering process to form film of Neodymium-Iron-Boron on surface of non magnetic carrier. |
| US5660929A (en) * | 1984-11-12 | 1997-08-26 | Sumitomo Special Metals Co., Ltd. | Perpendicular magnetic recording medium and method of producing same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5984358A (ja) * | 1982-11-04 | 1984-05-16 | Seiko Instr & Electronics Ltd | 光磁気記録媒体 |
-
1984
- 1984-03-13 JP JP4784384A patent/JPS60193125A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5984358A (ja) * | 1982-11-04 | 1984-05-16 | Seiko Instr & Electronics Ltd | 光磁気記録媒体 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61222104A (ja) * | 1984-11-12 | 1986-10-02 | Sumitomo Special Metals Co Ltd | 垂直磁気記録媒体及びその製造方法 |
| US5660929A (en) * | 1984-11-12 | 1997-08-26 | Sumitomo Special Metals Co., Ltd. | Perpendicular magnetic recording medium and method of producing same |
| US4840845A (en) * | 1986-06-06 | 1989-06-20 | Nec Corporation | Magnetic recording medium having perpendicular magnetic anisotropy |
| DE4238400A1 (en) * | 1991-11-14 | 1993-05-19 | Victor Company Of Japan | Transverse magnetic recording material mfr. - uses sputtering process to form film of Neodymium-Iron-Boron on surface of non magnetic carrier. |
| US5612145A (en) * | 1991-11-14 | 1997-03-18 | Victor Company Of Japan, Ltd. | Perpendicular magnetic medium and manufacturing method for the medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0513323B2 (enrdf_load_stackoverflow) | 1993-02-22 |
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