JPS56153546A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS56153546A JPS56153546A JP5693480A JP5693480A JPS56153546A JP S56153546 A JPS56153546 A JP S56153546A JP 5693480 A JP5693480 A JP 5693480A JP 5693480 A JP5693480 A JP 5693480A JP S56153546 A JPS56153546 A JP S56153546A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- magnetic
- write
- recording medium
- coercive force
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5693480A JPS56153546A (en) | 1980-04-28 | 1980-04-28 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5693480A JPS56153546A (en) | 1980-04-28 | 1980-04-28 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56153546A true JPS56153546A (en) | 1981-11-27 |
Family
ID=13041342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5693480A Pending JPS56153546A (en) | 1980-04-28 | 1980-04-28 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56153546A (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58108045A (ja) * | 1981-12-21 | 1983-06-28 | Fuji Xerox Co Ltd | 光磁気記録媒体および光磁気記録装置 |
JPS6066349A (ja) * | 1983-09-22 | 1985-04-16 | Agency Of Ind Science & Technol | 光熱磁気記録媒体およびその製造方法 |
EP0180459A2 (en) * | 1984-10-30 | 1986-05-07 | Brother Kogyo Kabushiki Kaisha | Magneto-optical memory medium and apparatus for writing and reading information on and from the medium |
US4612587A (en) * | 1982-12-23 | 1986-09-16 | Sony Corporation | Thermomagnetic recording and reproducing system |
DE3936690A1 (de) * | 1988-11-04 | 1990-05-10 | Ricoh Kk | Magneto-optisches aufzeichnungsverfahren und aufzeichnungsmaterial |
US4932012A (en) * | 1985-12-09 | 1990-06-05 | Canon Kabushiki Kaisha | Method for regenerating information from a magneto-optical information recording medium |
JPH04228133A (ja) * | 1991-05-28 | 1992-08-18 | Daido Steel Co Ltd | 熱磁気記録方法 |
US5204193A (en) * | 1984-02-22 | 1993-04-20 | Nippon Kogaku K.K. | Recording magnetooptical recording medium |
US5248565A (en) * | 1987-01-26 | 1993-09-28 | Mitsubishi Denki Kabushiki Kaisha | Optical-thermal magnetic storage medium |
-
1980
- 1980-04-28 JP JP5693480A patent/JPS56153546A/ja active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58108045A (ja) * | 1981-12-21 | 1983-06-28 | Fuji Xerox Co Ltd | 光磁気記録媒体および光磁気記録装置 |
JPH0348582B2 (ja) * | 1981-12-21 | 1991-07-24 | Fuji Xerox Co Ltd | |
US4612587A (en) * | 1982-12-23 | 1986-09-16 | Sony Corporation | Thermomagnetic recording and reproducing system |
JPS6066349A (ja) * | 1983-09-22 | 1985-04-16 | Agency Of Ind Science & Technol | 光熱磁気記録媒体およびその製造方法 |
US5204193A (en) * | 1984-02-22 | 1993-04-20 | Nippon Kogaku K.K. | Recording magnetooptical recording medium |
EP0180459A2 (en) * | 1984-10-30 | 1986-05-07 | Brother Kogyo Kabushiki Kaisha | Magneto-optical memory medium and apparatus for writing and reading information on and from the medium |
US4932012A (en) * | 1985-12-09 | 1990-06-05 | Canon Kabushiki Kaisha | Method for regenerating information from a magneto-optical information recording medium |
US5248565A (en) * | 1987-01-26 | 1993-09-28 | Mitsubishi Denki Kabushiki Kaisha | Optical-thermal magnetic storage medium |
DE3936690A1 (de) * | 1988-11-04 | 1990-05-10 | Ricoh Kk | Magneto-optisches aufzeichnungsverfahren und aufzeichnungsmaterial |
US5420836A (en) * | 1988-11-04 | 1995-05-30 | Ricoh Company, Ltd. | Method of magneto-optical recording and overwriting |
JPH04228133A (ja) * | 1991-05-28 | 1992-08-18 | Daido Steel Co Ltd | 熱磁気記録方法 |
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