DE3752242T2 - Verfahren und Vorrichtung zur Aufzeichnung und Wiedergabe von Information - Google Patents
Verfahren und Vorrichtung zur Aufzeichnung und Wiedergabe von InformationInfo
- Publication number
- DE3752242T2 DE3752242T2 DE3752242T DE3752242T DE3752242T2 DE 3752242 T2 DE3752242 T2 DE 3752242T2 DE 3752242 T DE3752242 T DE 3752242T DE 3752242 T DE3752242 T DE 3752242T DE 3752242 T2 DE3752242 T2 DE 3752242T2
- Authority
- DE
- Germany
- Prior art keywords
- recording
- reproducing information
- reproducing
- information
- 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
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/006—Overwriting
- G11B7/0062—Overwriting strategies, e.g. recording pulse sequences with erasing level used for phase-change media
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
-
- 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
- G11B11/10502—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 characterised by the transducing operation to be executed
- G11B11/10504—Recording
- G11B11/10506—Recording by modulating only the light beam of the transducer
-
- 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
- G11B11/10502—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 characterised by the transducing operation to be executed
- G11B11/10517—Overwriting or erasing
- G11B11/10519—Direct overwriting, i.e. performing erasing and recording using the same transducing means
- G11B11/10521—Direct overwriting, i.e. performing erasing and recording using the same transducing means using a single light spot
-
- 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
- G11B11/11—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, e.g. of electrons or X-rays other than a beam of light or a magnetic field for recording
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0055—Erasing
- G11B7/00557—Erasing involving phase-change media
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/006—Overwriting
-
- 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
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
- G11B9/10—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using electron beam; Record carriers therefor
-
- 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
- G11B2007/24302—Metals or metalloids
- G11B2007/24304—Metals or metalloids group 2 or 12 elements (e.g. Be, Ca, Mg, Zn, Cd)
-
- 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
- G11B2007/24302—Metals or metalloids
- G11B2007/2431—Metals or metalloids group 13 elements (B, Al, Ga, In)
-
- 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
- G11B2007/24302—Metals or metalloids
- G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
-
- 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
- G11B2007/24302—Metals or metalloids
- G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
-
- 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
- G11B2007/24302—Metals or metalloids
- G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
-
- 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
- G11B2007/24318—Non-metallic elements
- G11B2007/24324—Sulfur
-
- 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
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B7/2572—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of organic materials
-
- 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
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B7/2578—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Head (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61101130A JP2719130B2 (ja) | 1986-05-02 | 1986-05-02 | 情報の記録・再生および書き換え方法とその装置 |
JP61157822A JPS6313785A (ja) | 1986-07-07 | 1986-07-07 | 情報記録用薄膜 |
JP16482686A JP2575119B2 (ja) | 1986-07-15 | 1986-07-15 | 情報の記録・再生方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3752242D1 DE3752242D1 (de) | 1999-01-28 |
DE3752242T2 true DE3752242T2 (de) | 1999-08-19 |
Family
ID=27309399
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3752242T Expired - Lifetime DE3752242T2 (de) | 1986-05-02 | 1987-04-30 | Verfahren und Vorrichtung zur Aufzeichnung und Wiedergabe von Information |
DE3751891T Expired - Lifetime DE3751891T2 (de) | 1986-05-02 | 1987-04-30 | Methode zur Aufzeichnung, Wiedergabe und zum Löschen von Informationen und Dünnfilm zur Aufzeichnung von Informationen |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3751891T Expired - Lifetime DE3751891T2 (de) | 1986-05-02 | 1987-04-30 | Methode zur Aufzeichnung, Wiedergabe und zum Löschen von Informationen und Dünnfilm zur Aufzeichnung von Informationen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5123007A (de) |
EP (2) | EP0243976B1 (de) |
KR (1) | KR960002042B1 (de) |
DE (2) | DE3752242T2 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910003039B1 (ko) * | 1987-01-26 | 1991-05-17 | 가부시기가이샤 히다찌세이사꾸쇼 | 정보의 기록 재생 방법 |
US5257256A (en) * | 1987-04-24 | 1993-10-26 | Hitachi, Ltd. | Recording waveform for mark-length modulation optical recording |
US5291470A (en) * | 1988-03-28 | 1994-03-01 | Matsushita Electric Industrial Co., Ltd. | Optical information recording method |
US4916688A (en) * | 1988-03-31 | 1990-04-10 | International Business Machines Corporation | Data storage method using state transformable materials |
JPH01258243A (ja) * | 1988-04-08 | 1989-10-16 | Fujitsu Ltd | 互換型書き換え可能光ディスク |
JP2512087B2 (ja) * | 1988-06-24 | 1996-07-03 | 株式会社日立製作所 | 光記録媒体および光記録方法 |
US6052510A (en) * | 1988-09-19 | 2000-04-18 | Canon Kabushiki Kaisha | Apparatus for recording, reproduction or erasing |
DE3906521A1 (de) * | 1989-03-02 | 1990-09-13 | Basf Ag | Verfahren zum auslesen von informationen, die in duennen polymerschichten gespeichert sind |
JP2797733B2 (ja) * | 1990-03-14 | 1998-09-17 | 松下電器産業株式会社 | 光学情報記録部材の記録方法 |
US5263015A (en) * | 1990-11-21 | 1993-11-16 | Hitachi, Ltd. | Magneto-optical recording media and overwrite recording method using the same |
CN1083615A (zh) * | 1992-08-19 | 1994-03-09 | 菲利浦电子有限公司 | 信息存储系统 |
JPH06162507A (ja) * | 1992-11-24 | 1994-06-10 | Toshiba Corp | 情報記録方法および情報記録装置 |
US5548573A (en) * | 1993-11-04 | 1996-08-20 | Olympus Optical Co., Ltd. | Optical information reproducing apparatus provided with laser power control means for detecting reflected light from data region |
DE19710115A1 (de) | 1997-03-12 | 1998-09-17 | Henkel Kgaa | Schmelzklebstoff zur Verklebung von DVDs |
JPH10289479A (ja) * | 1997-04-10 | 1998-10-27 | Tdk Corp | 光記録媒体 |
KR19990065561A (ko) * | 1998-01-14 | 1999-08-05 | 구자홍 | 광 기록 방법 |
JP4613356B2 (ja) * | 1998-03-03 | 2011-01-19 | 独立行政法人産業技術総合研究所 | 光記録媒体、光記録方法、光信号再生方法、光記録装置及び光信号再生装置 |
US6477135B1 (en) * | 1998-03-26 | 2002-11-05 | Matsushita Electric Industrial Co., Ltd. | Optical information recording medium and method for recording and reproduction information thereon |
DE19848146C2 (de) | 1998-10-20 | 2002-10-02 | Henkel Kgaa | Verwendung eines Schmelzklebstoffs zur Verklebung von DVDs und Verfahren zu deren Herstellung |
KR100429843B1 (ko) * | 2001-09-22 | 2004-05-03 | 삼성전자주식회사 | 전자 방출 및 상변화물질을 이용한 고밀도정보기록/재생방법 및 이를 응용한 정보저장장치 및 이에사용되는 미디어 |
WO2003069602A1 (en) * | 2002-02-13 | 2003-08-21 | Mitsubishi Chemical Corporation | Rewritable optical recording medium and optical recording method |
JP3921393B2 (ja) * | 2002-02-14 | 2007-05-30 | Tdk株式会社 | 光記録媒体への情報記録方法、情報記録装置及び光記録媒体 |
JP2004188422A (ja) * | 2002-12-06 | 2004-07-08 | Hamamatsu Photonics Kk | レーザ加工装置及びレーザ加工方法 |
CN100394486C (zh) * | 2003-07-18 | 2008-06-11 | 三菱化学媒体股份有限公司 | 光记录方法 |
JP4102289B2 (ja) * | 2003-11-07 | 2008-06-18 | 株式会社日立製作所 | 情報記録方法、情報記録装置及び評価装置 |
JP4458839B2 (ja) * | 2003-12-25 | 2010-04-28 | 株式会社ニデック | レーザ治療装置 |
US7768729B2 (en) * | 2008-01-31 | 2010-08-03 | Hitachi Global Storage Technologies Netherlands B.V. | Method, system, and computer program product for estimating adjacent track erasure risk by determining erase band width growth rates |
ES2628833T3 (es) | 2011-08-01 | 2017-08-04 | Primetals Technologies Germany Gmbh | Método y aparato para una laminación continua |
CN115893331A (zh) * | 2022-11-30 | 2023-04-04 | 陕西科技大学 | 一种SnSe/SnO2@C复合物及制备方法和应用 |
Family Cites Families (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3736046A (en) * | 1971-04-15 | 1973-05-29 | Honeywell Inc | Optical spot size changer |
US3801966A (en) * | 1971-08-18 | 1974-04-02 | Hitachi Ltd | Optical memory device |
JPS54103307A (en) * | 1978-01-31 | 1979-08-14 | Matsushita Electric Ind Co Ltd | Optical recorder-reproducer |
JPS54143606A (en) * | 1978-04-28 | 1979-11-09 | Matsushita Electric Ind Co Ltd | Optical recorder-reproducer |
US4300227A (en) * | 1979-10-17 | 1981-11-10 | Rca Corporation | Replicable optical recording medium |
US4285056A (en) * | 1979-10-17 | 1981-08-18 | Rca Corporation | Replicable optical recording medium |
FR2475270A1 (fr) * | 1980-02-01 | 1981-08-07 | Thomson Csf | Structure de memoire reversible, a inscription thermo-optique et lecture optique, et procede d'inscription et d'effacement de cette structure |
US4383261A (en) * | 1980-08-21 | 1983-05-10 | The United States Of America As Represented By The Director Of The National Security Agency | Method for laser recording utilizing dynamic preheating |
US4470053A (en) * | 1981-02-13 | 1984-09-04 | Minnesota Mining And Manufacturing Company | Protuberant optical recording medium |
EP0061892B1 (de) * | 1981-03-26 | 1988-06-22 | Sony Corporation | Thermomagnetisches Aufzeichnungsverfahren |
US4599718A (en) * | 1981-04-07 | 1986-07-08 | Tdk Electronics Co., Ltd. | Method for erasing a light recording medium |
US4504938A (en) * | 1981-04-07 | 1985-03-12 | Victor Company Of Japan, Limited | Device for feedback controlling focus of an optical system in an information recording/reproducing apparatus |
DE3275960D1 (en) * | 1982-01-06 | 1987-05-07 | Hitachi Ltd | Control circuit for controlling light source in optical disc device |
JPS58137148A (ja) * | 1982-02-08 | 1983-08-15 | Sony Corp | 情報記録媒体 |
US4488277A (en) * | 1982-02-10 | 1984-12-11 | North American Philips Corporation | Control system for an optical data recording apparatus |
US4562567A (en) * | 1982-11-12 | 1985-12-31 | North American Philips Corporation | Apparatus for controlling the write beam in an optical data recording system |
US4584259A (en) * | 1982-12-17 | 1986-04-22 | Burroughs Corporation | Coated media for optical recording with acrylic overcoat |
WO1984002603A1 (en) * | 1982-12-23 | 1984-07-05 | Sony Corp | Thermomagnetic optical recording/reproducing method |
US4586161A (en) * | 1983-05-11 | 1986-04-29 | General Electric Company | Permanent thermo-magnetic recording of binary digital information |
NL8402943A (nl) * | 1983-09-29 | 1985-04-16 | Toshiba Kk | Optische kop. |
DE3482347D1 (de) * | 1983-12-14 | 1990-06-28 | Hitachi Ltd | Geraet zum optischen aufzeichnen von informationen. |
JPS60143438A (ja) * | 1983-12-30 | 1985-07-29 | Ricoh Co Ltd | 情報記録再生装置 |
US4527173A (en) * | 1984-04-16 | 1985-07-02 | Eastman Kodak Company | Erasable, reusable optical recording element and method |
JPS60231928A (ja) * | 1984-04-27 | 1985-11-18 | Matsushita Electric Ind Co Ltd | 光学情報記録消去方法 |
US4716560A (en) * | 1984-05-22 | 1987-12-29 | Victor Company Of Japan, Ltd. | Recording disc and method for fabricating same |
JPS60247827A (ja) * | 1984-05-24 | 1985-12-07 | Nec Corp | 光記憶書込回路 |
US4679184A (en) * | 1984-06-08 | 1987-07-07 | Matsushita Electric Industrial Co., Ltd. | Optical recording and reproducing apparatus having erasing beam spot with asymmetrical intensity distribution |
US4656079A (en) * | 1984-06-15 | 1987-04-07 | Matsushita Electric Industrial Co., Ltd. | Reversible optical information recording medium |
US4694447A (en) * | 1984-07-12 | 1987-09-15 | International Business Machines Corp. | Optical signal recorders employing two lasers and methods therefor |
US4718053A (en) * | 1984-11-09 | 1988-01-05 | Hitachi, Ltd. | Optical information apparatus and method of recording and erasing information |
JPS61126637A (ja) * | 1984-11-21 | 1986-06-14 | Olympus Optical Co Ltd | 光学的情報記録再生装置 |
JP2910767B2 (ja) * | 1984-11-30 | 1999-06-23 | 株式会社日立製作所 | 光ディスクおよび情報記録方法 |
US4651172A (en) * | 1984-11-29 | 1987-03-17 | Hitachi, Ltd. | Information recording medium |
JPS61206937A (ja) * | 1985-03-08 | 1986-09-13 | Toshiba Corp | 光学的情報処理装置 |
JPS61206951A (ja) * | 1985-03-11 | 1986-09-13 | Nippon Kogaku Kk <Nikon> | 同時消録型の光磁気記録兼再生装置のピツクアツプ |
JPS61206952A (ja) * | 1985-03-11 | 1986-09-13 | Nippon Kogaku Kk <Nikon> | 同時消録型の光磁気記録及び再生兼用装置のピツクアツプ |
US4695994A (en) * | 1985-04-05 | 1987-09-22 | Laser Magnetic Storage International Company | Method and apparatus for varying laser intensity level |
JP2605015B2 (ja) * | 1985-06-26 | 1997-04-30 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 熱誘導記録の情報担特信号レコーダ |
US4737934A (en) * | 1985-10-18 | 1988-04-12 | Energy Conversion Devices, Inc. | Data storage device and system having an optically non transmissive chalcogenide layer |
US4744055A (en) * | 1985-07-08 | 1988-05-10 | Energy Conversion Devices, Inc. | Erasure means and data storage system incorporating improved erasure means |
US4815058A (en) * | 1985-10-21 | 1989-03-21 | Hitachi, Ltd. | Optical information processing apparatus |
-
1987
- 1987-04-30 DE DE3752242T patent/DE3752242T2/de not_active Expired - Lifetime
- 1987-04-30 EP EP87106312A patent/EP0243976B1/de not_active Expired - Lifetime
- 1987-04-30 EP EP93100423A patent/EP0549562B1/de not_active Expired - Lifetime
- 1987-04-30 DE DE3751891T patent/DE3751891T2/de not_active Expired - Lifetime
- 1987-05-01 KR KR1019870004266A patent/KR960002042B1/ko not_active IP Right Cessation
-
1990
- 1990-02-05 US US07/474,255 patent/US5123007A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0243976B1 (de) | 1996-09-04 |
US5123007A (en) | 1992-06-16 |
EP0549562A2 (de) | 1993-06-30 |
DE3751891T2 (de) | 1997-04-03 |
KR960002042B1 (ko) | 1996-02-09 |
EP0243976A3 (en) | 1990-12-12 |
DE3751891D1 (de) | 1996-10-10 |
EP0549562B1 (de) | 1998-12-16 |
EP0243976A2 (de) | 1987-11-04 |
KR870011584A (ko) | 1987-12-24 |
EP0549562A3 (en) | 1993-09-15 |
DE3752242D1 (de) | 1999-01-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3752242T2 (de) | Verfahren und Vorrichtung zur Aufzeichnung und Wiedergabe von Information | |
DE69322590T2 (de) | Verfahren und Vorrichtung zur Aufzeichnung und Wiedergabe von Information | |
DE69027726D1 (de) | Verfahren und Einrichtung zur Datenaufzeichnung und -Wiedergabe | |
DE3679035D1 (de) | Verfahren und geraet zur aufzeichnung von signalen. | |
DE69124817D1 (de) | Verfahren und Gerät zur Aufzeichnung von Daten | |
DE3852281D1 (de) | Verfahren und Gerät zur Datenaufnahme/Wiedergabe. | |
DE68929129D1 (de) | Verfahren zur Informationsaufzeichnung und -wiedergabe, Vorrichtung dazu und Aufzeichnungsmedium | |
DE68920170D1 (de) | Verfahren und Einrichtung zur Aufzeichnung und Wiedergabe von Bildinformation. | |
DE68927609D1 (de) | Verfahren zur Aufzeichnung und Wiedergabe von Informationssignalen und Gerät dafür | |
DE3851943D1 (de) | Verfahren und Gerät zur Aufnahme von magneto-optischen Platten. | |
DE3885352D1 (de) | Einrichtung und Verfahren zur Wiedergabe von magneto-optischen Platten. | |
DE69030865D1 (de) | Aufzeichnungsmedium und Verfahren zur Wiedergabe dafür | |
DE69126343D1 (de) | Verfahren/Gerät zur Informationsaufzeichnung und Informationswiedergabe | |
DE68929165T2 (de) | Gerät zur magnetischen Aufnahme und Wiedergabe und Verfahren zur Aufnahme und Wiedergabe | |
DE3871422D1 (de) | Geraet und verfahren zur informationsaufzeichnung. | |
DE68929228T2 (de) | Vorrichtung und Verfahren zur Aufzeichnung von Information auf einem optischen Aufzeichnungsträger | |
DE3675426D1 (de) | Verfahren zum lesen optisch aufgezeichneter daten und vorrichtung dafuer. | |
DE3888915D1 (de) | Verfahren und Einrichtung zur Informationsaufzeichnung und -wiedergabe. | |
DE68918808D1 (de) | Verfahren und Vorrichtung zur Verarbeitung und Reproduktion von Bildinformationen. | |
DE69432881D1 (de) | Verfahren und Vorrichtung zur Aufzeichnung von Information | |
DE69322730T2 (de) | Verfahren und Vorrichtung zur optischen Aufzeichnung und/oder Wiedergabe von Information | |
DE3888154D1 (de) | Verfahren und Gerät zur Aufzeichnung und Wiedergabe von Informationen. | |
DE69027427D1 (de) | Verfahren und gerät zur aufzeichnung von bildern | |
DE3650649D1 (de) | Datenaufzeichnungsgerät und Verfahren zur Datenverarbeitung | |
DE69421420T2 (de) | Informationsaufzeichnungs- und wiedergabegerät und Verfahren zur Aufzeichnung und Wiedergabe von Information |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |