JPS576440A - Manufacture of magnetic recording medium - Google Patents
Manufacture of magnetic recording mediumInfo
- Publication number
- JPS576440A JPS576440A JP7954880A JP7954880A JPS576440A JP S576440 A JPS576440 A JP S576440A JP 7954880 A JP7954880 A JP 7954880A JP 7954880 A JP7954880 A JP 7954880A JP S576440 A JPS576440 A JP S576440A
- Authority
- JP
- Japan
- Prior art keywords
- vaporized
- atoms
- basic material
- magnetic layer
- main components
- 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
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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/851—Coating a support with a magnetic layer by sputtering
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
- Physical Vapour Deposition (AREA)
Abstract
PURPOSE:To form a magnetic layer whose main components are Co and Cr having a easy magnetizing shaft in the vertical direction, on the surface of a film, by vacuum-depositing the vaporized atoms which have been put in a discharged state, on a substrate. CONSTITUTION:A water-cooled copper hearth 18 whose inside has been coated with a heat resisting insulator 29 is placed in a vacuum vessel 13, in this hearth 18 is contained a thin film material 11 whose main components are Co and Cr, atoms having a suitable value are supplied to an electronic gun 19, the material 11 is heated by an electronic beam 20, and is vaporized. And, voltage is applied to a probe 21 which has been placed between a basic material 2 and a vaporization source 17, a flowing current is measured, vaporized atoms being in a discharged state are vapor-deposited on the basic material 2, and a magnetic layer is formed. In this way, a vertical magnetized film which is excellent in a high-density recording characteristic can be obtaind stably on a basic material at such a high forming speed as thousands of Angstrom /sec.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7954880A JPS6037531B2 (en) | 1980-06-11 | 1980-06-11 | Method for manufacturing magnetic recording media |
| DE8181300904T DE3173689D1 (en) | 1980-03-07 | 1981-03-04 | Method of producing a magnetic recording medium |
| EP81300904A EP0035870B2 (en) | 1980-03-07 | 1981-03-04 | Method of producing a magnetic recording medium |
| US06/240,369 US4399013A (en) | 1980-03-07 | 1981-03-04 | Method of producing a magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7954880A JPS6037531B2 (en) | 1980-06-11 | 1980-06-11 | Method for manufacturing magnetic recording media |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS576440A true JPS576440A (en) | 1982-01-13 |
| JPS6037531B2 JPS6037531B2 (en) | 1985-08-27 |
Family
ID=13693050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7954880A Expired JPS6037531B2 (en) | 1980-03-07 | 1980-06-11 | Method for manufacturing magnetic recording media |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037531B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60201531A (en) * | 1984-03-23 | 1985-10-12 | Matsushita Electric Ind Co Ltd | Manufacture of magnetic recording medium |
-
1980
- 1980-06-11 JP JP7954880A patent/JPS6037531B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60201531A (en) * | 1984-03-23 | 1985-10-12 | Matsushita Electric Ind Co Ltd | Manufacture of magnetic recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6037531B2 (en) | 1985-08-27 |
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