JPS4974912A - - Google Patents
Info
- Publication number
- JPS4974912A JPS4974912A JP48106063A JP10606373A JPS4974912A JP S4974912 A JPS4974912 A JP S4974912A JP 48106063 A JP48106063 A JP 48106063A JP 10606373 A JP10606373 A JP 10606373A JP S4974912 A JPS4974912 A JP S4974912A
- Authority
- JP
- Japan
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/722—Protective coatings, e.g. anti-static or antifriction containing an anticorrosive material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/06—Thin magnetic films, e.g. of one-domain structure characterised by the coupling or physical contact with connecting or interacting conductors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2250460A DE2250460C3 (de) | 1972-10-14 | 1972-10-14 | Magnetischer Aufzeichnungsträger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4974912A true JPS4974912A (US07923587-20110412-C00001.png) | 1974-07-19 |
| JPS5433523B2 JPS5433523B2 (US07923587-20110412-C00001.png) | 1979-10-22 |
Family
ID=5859045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10606373A Expired JPS5433523B2 (US07923587-20110412-C00001.png) | 1972-10-14 | 1973-09-21 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5433523B2 (US07923587-20110412-C00001.png) |
| DE (1) | DE2250460C3 (US07923587-20110412-C00001.png) |
| GB (1) | GB1439869A (US07923587-20110412-C00001.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56124118A (en) * | 1980-03-06 | 1981-09-29 | Nec Corp | Magnetic recording material |
| JPS5814318A (ja) * | 1981-07-17 | 1983-01-27 | Fujitsu Ltd | 垂直磁気記録用媒体 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2608022C2 (de) | 1976-02-27 | 1984-03-29 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung magnetischer Aufzeichnungsträger mit verschleißfester Oberfläche |
| JPS5671821A (en) | 1979-11-14 | 1981-06-15 | Hitachi Ltd | Substrate for magnetic disc and its manufacture |
| JPS5994231A (ja) * | 1982-11-22 | 1984-05-30 | Fuji Photo Film Co Ltd | 磁気記録体 |
| US4610911A (en) * | 1983-11-03 | 1986-09-09 | Hewlett-Packard Company | Thin film magnetic recording media |
| EP0227069A3 (en) * | 1985-12-25 | 1989-06-14 | Hitachi, Ltd. | Middle layer material for magnetic disc |
| US5993956A (en) * | 1997-04-22 | 1999-11-30 | Carnegie Mellon University | Manganese containing layer for magnetic recording media |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4720803U (US07923587-20110412-C00001.png) * | 1971-03-19 | 1972-11-09 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1054247B (de) * | 1956-11-24 | 1959-04-02 | Basf Ag | Verfahren zur Verkleinerung der Reibung zwischen Magnetogrammtraegern und Magnetkoepfen |
| US3719525A (en) * | 1969-01-09 | 1973-03-06 | Control Data Corp | Magnetic record members having a protective recording surface and method of making |
-
1972
- 1972-10-14 DE DE2250460A patent/DE2250460C3/de not_active Expired
-
1973
- 1973-09-13 GB GB4305873A patent/GB1439869A/en not_active Expired
- 1973-09-21 JP JP10606373A patent/JPS5433523B2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4720803U (US07923587-20110412-C00001.png) * | 1971-03-19 | 1972-11-09 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56124118A (en) * | 1980-03-06 | 1981-09-29 | Nec Corp | Magnetic recording material |
| JPH0315254B2 (US07923587-20110412-C00001.png) * | 1980-03-06 | 1991-02-28 | Nippon Electric Co | |
| JPS5814318A (ja) * | 1981-07-17 | 1983-01-27 | Fujitsu Ltd | 垂直磁気記録用媒体 |
| JPH0312369B2 (US07923587-20110412-C00001.png) * | 1981-07-17 | 1991-02-20 | Fujitsu Ltd |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1439869A (en) | 1976-06-16 |
| DE2250460A1 (de) | 1974-04-18 |
| JPS5433523B2 (US07923587-20110412-C00001.png) | 1979-10-22 |
| DE2250460B2 (de) | 1980-12-04 |
| DE2250460C3 (de) | 1981-09-10 |
