DE69115426D1 - Magneto-optisches Aufzeichnungsmedium - Google Patents
Magneto-optisches AufzeichnungsmediumInfo
- Publication number
- DE69115426D1 DE69115426D1 DE69115426T DE69115426T DE69115426D1 DE 69115426 D1 DE69115426 D1 DE 69115426D1 DE 69115426 T DE69115426 T DE 69115426T DE 69115426 T DE69115426 T DE 69115426T DE 69115426 D1 DE69115426 D1 DE 69115426D1
- Authority
- DE
- Germany
- Prior art keywords
- magneto
- recording medium
- optical recording
- optical
- medium
- 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 - Lifetime
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
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2266606A JPH0690976B2 (ja) | 1990-10-05 | 1990-10-05 | 光磁気記録媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69115426D1 true DE69115426D1 (de) | 1996-01-25 |
Family
ID=17433152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69115426T Expired - Lifetime DE69115426D1 (de) | 1990-10-05 | 1991-09-24 | Magneto-optisches Aufzeichnungsmedium |
Country Status (9)
Country | Link |
---|---|
US (1) | US5173885A (de) |
EP (1) | EP0479474B1 (de) |
JP (1) | JPH0690976B2 (de) |
KR (1) | KR950005036B1 (de) |
CN (1) | CN1022872C (de) |
CA (1) | CA2051603C (de) |
DE (1) | DE69115426D1 (de) |
HK (1) | HK72096A (de) |
MY (1) | MY131057A (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2733127B2 (ja) * | 1990-08-07 | 1998-03-30 | シャープ株式会社 | 光磁気記録装置 |
DE4103854A1 (de) * | 1991-02-08 | 1992-08-27 | Thomson Brandt Gmbh | Optische abtastvorrichtung |
US5648161A (en) * | 1991-11-22 | 1997-07-15 | Seiko Epson Corporation | Magneto-optical recording medium having large kerr rotational angle in short wavelength range |
JPH05282723A (ja) * | 1992-03-31 | 1993-10-29 | Matsushita Electric Ind Co Ltd | 光磁気ヘッド装置 |
JPH06162583A (ja) * | 1992-11-19 | 1994-06-10 | Canon Inc | 光磁気記録媒体 |
US5631559A (en) * | 1993-03-05 | 1997-05-20 | Northeastern University | Method and apparatus for performing magnetic field measurements using magneto-optic kerr effect sensors |
DE4321851A1 (de) * | 1993-07-01 | 1995-01-12 | Philips Patentverwaltung | Magnetooptisches Aufzeichnungsmedium |
CA2127059A1 (en) * | 1993-07-02 | 1995-01-03 | Masahiko Sekiya | Magneto-optical recording medium |
JP2912154B2 (ja) * | 1994-03-24 | 1999-06-28 | シャープ株式会社 | 磁気光学記録媒体およびその製造方法 |
JP2005222669A (ja) * | 2004-01-05 | 2005-08-18 | Fujitsu Ltd | 磁気記録媒体および磁気記憶装置 |
US7458521B2 (en) * | 2004-10-30 | 2008-12-02 | Norman Ivans | Irrigation unit having a control system and a data storage unit |
US7191955B2 (en) * | 2004-12-22 | 2007-03-20 | Norman Ivans | Irrigation unit having a control system that performs a self-test and a cleaner that cleans the unit |
US7097113B2 (en) * | 2004-01-20 | 2006-08-29 | Norman Ivans | Irrigation unit including a power generator |
US7349763B2 (en) * | 2004-10-30 | 2008-03-25 | Norman Ivans | System and method for systematically irrigating subregions of an irrigation region |
US7617992B2 (en) * | 2004-10-30 | 2009-11-17 | Norman Ivans | System and method for maintaining irrigation accuracy of an irrigation system |
US7708206B2 (en) * | 2004-12-22 | 2010-05-04 | Norman Ivans | Irrigation unit including a nozzle having greater accuracy and improved adjustment properties |
ITMI20110803A1 (it) * | 2011-05-10 | 2012-11-11 | Claber Spa | Impianto di irrigazione a controllo remoto. |
KR102391800B1 (ko) * | 2018-06-15 | 2022-04-29 | 주식회사 엘지화학 | 비정질 박막의 제조방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4871614A (en) * | 1986-07-09 | 1989-10-03 | Canon Kabushiki Kaisha | Opto-magnetic recording medium having three exchange-coupled magnetic layers |
JPS63249951A (ja) * | 1987-04-03 | 1988-10-17 | Mitsubishi Electric Corp | 光磁気記録情報担体 |
JPH01237945A (ja) * | 1988-03-18 | 1989-09-22 | Canon Inc | 光磁気記録媒体 |
JP2701403B2 (ja) * | 1988-12-29 | 1998-01-21 | ソニー株式会社 | 光磁気デイスク装置 |
JP2646398B2 (ja) * | 1989-09-20 | 1997-08-27 | インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン | 光磁気記録媒体 |
-
1990
- 1990-10-05 JP JP2266606A patent/JPH0690976B2/ja not_active Expired - Lifetime
-
1991
- 1991-09-06 US US07/755,718 patent/US5173885A/en not_active Expired - Lifetime
- 1991-09-17 CA CA002051603A patent/CA2051603C/en not_active Expired - Fee Related
- 1991-09-24 EP EP91308690A patent/EP0479474B1/de not_active Expired - Lifetime
- 1991-09-24 DE DE69115426T patent/DE69115426D1/de not_active Expired - Lifetime
- 1991-09-25 MY MYPI91001732A patent/MY131057A/en unknown
- 1991-09-27 KR KR1019910016856A patent/KR950005036B1/ko not_active IP Right Cessation
- 1991-09-29 CN CN91109432A patent/CN1022872C/zh not_active Expired - Fee Related
-
1996
- 1996-04-25 HK HK72096A patent/HK72096A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
KR950005036B1 (ko) | 1995-05-17 |
JPH0690976B2 (ja) | 1994-11-14 |
HK72096A (en) | 1996-05-03 |
CA2051603A1 (en) | 1992-04-06 |
CN1022872C (zh) | 1993-11-24 |
CN1061298A (zh) | 1992-05-20 |
JPH04150010A (ja) | 1992-05-22 |
EP0479474A3 (en) | 1993-02-24 |
EP0479474A2 (de) | 1992-04-08 |
EP0479474B1 (de) | 1995-12-13 |
KR920008685A (ko) | 1992-05-28 |
US5173885A (en) | 1992-12-22 |
CA2051603C (en) | 1995-09-12 |
MY131057A (en) | 2007-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |