JPS6333287B2 - - Google Patents
Info
- Publication number
- JPS6333287B2 JPS6333287B2 JP54150962A JP15096279A JPS6333287B2 JP S6333287 B2 JPS6333287 B2 JP S6333287B2 JP 54150962 A JP54150962 A JP 54150962A JP 15096279 A JP15096279 A JP 15096279A JP S6333287 B2 JPS6333287 B2 JP S6333287B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- thin film
- metal thin
- present
- magnetic layer
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 72
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 239000010409 thin film Substances 0.000 claims description 22
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 description 15
- 239000010408 film Substances 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 238000007733 ion plating Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 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
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 229910003271 Ni-Fe Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920003055 poly(ester-imide) Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000001552 radio frequency sputter deposition Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 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
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
- G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15096279A JPS5673412A (en) | 1979-11-20 | 1979-11-20 | Magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15096279A JPS5673412A (en) | 1979-11-20 | 1979-11-20 | Magnetic recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5673412A JPS5673412A (en) | 1981-06-18 |
| JPS6333287B2 true JPS6333287B2 (fr) | 1988-07-05 |
Family
ID=15508232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15096279A Granted JPS5673412A (en) | 1979-11-20 | 1979-11-20 | Magnetic recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5673412A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58212118A (ja) * | 1982-06-04 | 1983-12-09 | Hitachi Condenser Co Ltd | 磁気記録媒体の製造方法 |
| JPS58212116A (ja) * | 1982-06-04 | 1983-12-09 | Hitachi Condenser Co Ltd | 磁気記録媒体の製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942632A (fr) * | 1972-08-28 | 1974-04-22 | ||
| JPS50145207A (fr) * | 1974-05-13 | 1975-11-21 |
-
1979
- 1979-11-20 JP JP15096279A patent/JPS5673412A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942632A (fr) * | 1972-08-28 | 1974-04-22 | ||
| JPS50145207A (fr) * | 1974-05-13 | 1975-11-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5673412A (en) | 1981-06-18 |
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