JPS60201521A - 磁気記録媒体 - Google Patents
磁気記録媒体Info
- Publication number
- JPS60201521A JPS60201521A JP5574684A JP5574684A JPS60201521A JP S60201521 A JPS60201521 A JP S60201521A JP 5574684 A JP5574684 A JP 5574684A JP 5574684 A JP5574684 A JP 5574684A JP S60201521 A JPS60201521 A JP S60201521A
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- tcc
- recording medium
- magnetic recording
- aspect ratio
- 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 description 43
- 239000010409 thin film Substances 0.000 claims abstract description 19
- 238000007740 vapor deposition Methods 0.000 claims abstract description 16
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000004907 flux Effects 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 239000010408 film Substances 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
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5574684A JPS60201521A (ja) | 1984-03-23 | 1984-03-23 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5574684A JPS60201521A (ja) | 1984-03-23 | 1984-03-23 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60201521A true JPS60201521A (ja) | 1985-10-12 |
| JPH0473215B2 JPH0473215B2 (en]) | 1992-11-20 |
Family
ID=13007418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5574684A Granted JPS60201521A (ja) | 1984-03-23 | 1984-03-23 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60201521A (en]) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5427869A (en) * | 1992-08-14 | 1995-06-27 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium and method for producing the same |
| US5554440A (en) * | 1992-09-09 | 1996-09-10 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium and method for producing the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5677931A (en) * | 1979-11-28 | 1981-06-26 | Tdk Corp | Magnetic recording medium and its producton |
-
1984
- 1984-03-23 JP JP5574684A patent/JPS60201521A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5677931A (en) * | 1979-11-28 | 1981-06-26 | Tdk Corp | Magnetic recording medium and its producton |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5427869A (en) * | 1992-08-14 | 1995-06-27 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium and method for producing the same |
| US5554440A (en) * | 1992-09-09 | 1996-09-10 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium and method for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0473215B2 (en]) | 1992-11-20 |
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