JPS57164434A - Magnetic recording medium and its manufacture - Google Patents
Magnetic recording medium and its manufactureInfo
- Publication number
- JPS57164434A JPS57164434A JP56049886A JP4988681A JPS57164434A JP S57164434 A JPS57164434 A JP S57164434A JP 56049886 A JP56049886 A JP 56049886A JP 4988681 A JP4988681 A JP 4988681A JP S57164434 A JPS57164434 A JP S57164434A
- Authority
- JP
- Japan
- Prior art keywords
- film
- vapor
- glow treatment
- magnetic
- protective film
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000010408 film Substances 0.000 abstract 8
- 230000001681 protective effect Effects 0.000 abstract 4
- 235000014113 dietary fatty acids Nutrition 0.000 abstract 3
- 229930195729 fatty acid Natural products 0.000 abstract 3
- 239000000194 fatty acid Substances 0.000 abstract 3
- 238000000151 deposition Methods 0.000 abstract 2
- 150000004665 fatty acids Chemical class 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- -1 fatty acid ester Chemical class 0.000 abstract 1
- 239000002985 plastic film Substances 0.000 abstract 1
- 229920006255 plastic film Polymers 0.000 abstract 1
- 239000004417 polycarbonate Substances 0.000 abstract 1
- 229920000515 polycarbonate Polymers 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 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
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56049886A JPS57164434A (en) | 1981-04-02 | 1981-04-02 | Magnetic recording medium and its manufacture |
| US06/364,271 US4495242A (en) | 1981-04-02 | 1982-04-01 | Magnetic recording medium |
| DE3212381A DE3212381C2 (de) | 1981-04-02 | 1982-04-02 | Magnetische Aufzeichnungsmedien und Verfahren zu ihrer Herstellung |
| US06/656,792 US4557944A (en) | 1981-04-02 | 1985-01-18 | Process of manufacturing a magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56049886A JPS57164434A (en) | 1981-04-02 | 1981-04-02 | Magnetic recording medium and its manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57164434A true JPS57164434A (en) | 1982-10-09 |
| JPH0454289B2 JPH0454289B2 (enExample) | 1992-08-31 |
Family
ID=12843510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56049886A Granted JPS57164434A (en) | 1981-04-02 | 1981-04-02 | Magnetic recording medium and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57164434A (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4861104A (enExample) * | 1971-12-01 | 1973-08-27 | ||
| JPS5385403A (en) * | 1977-01-07 | 1978-07-27 | Matsushita Electric Ind Co Ltd | Manufacture of magnetic recording medium |
-
1981
- 1981-04-02 JP JP56049886A patent/JPS57164434A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4861104A (enExample) * | 1971-12-01 | 1973-08-27 | ||
| JPS5385403A (en) * | 1977-01-07 | 1978-07-27 | Matsushita Electric Ind Co Ltd | Manufacture of magnetic recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0454289B2 (enExample) | 1992-08-31 |
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