DE19910109C2 - Optisches Aufzeichnungs- und Wiedergabeverfahren, optische Aufzeichnungs- und Wiedergabevorrichtung und optisches Speichermedium - Google Patents

Optisches Aufzeichnungs- und Wiedergabeverfahren, optische Aufzeichnungs- und Wiedergabevorrichtung und optisches Speichermedium

Info

Publication number
DE19910109C2
DE19910109C2 DE19910109A DE19910109A DE19910109C2 DE 19910109 C2 DE19910109 C2 DE 19910109C2 DE 19910109 A DE19910109 A DE 19910109A DE 19910109 A DE19910109 A DE 19910109A DE 19910109 C2 DE19910109 C2 DE 19910109C2
Authority
DE
Germany
Prior art keywords
optical
objective lens
light
optical recording
layer
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 - Fee Related
Application number
DE19910109A
Other languages
German (de)
English (en)
Other versions
DE19910109A1 (de
Inventor
Akira Takahashi
Yoshiteru Murakami
Naoyasu Iketani
Ippei Suzuki
Go Mori
Shinya Hirata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of DE19910109A1 publication Critical patent/DE19910109A1/de
Application granted granted Critical
Publication of DE19910109C2 publication Critical patent/DE19910109C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
    • 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
    • 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
    • G11B11/10532—Heads
    • 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
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10552—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base
    • G11B11/10554—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base the transducers being disposed on the same side of the carrier
    • 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
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/1058—Flying heads
    • 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
    • G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
DE19910109A 1998-03-09 1999-03-08 Optisches Aufzeichnungs- und Wiedergabeverfahren, optische Aufzeichnungs- und Wiedergabevorrichtung und optisches Speichermedium Expired - Fee Related DE19910109C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10056553A JPH11259903A (ja) 1998-03-09 1998-03-09 光記録再生方法及び光記録再生装置並びに光記録媒体

Publications (2)

Publication Number Publication Date
DE19910109A1 DE19910109A1 (de) 1999-09-16
DE19910109C2 true DE19910109C2 (de) 2003-04-03

Family

ID=13030310

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19910109A Expired - Fee Related DE19910109C2 (de) 1998-03-09 1999-03-08 Optisches Aufzeichnungs- und Wiedergabeverfahren, optische Aufzeichnungs- und Wiedergabevorrichtung und optisches Speichermedium

Country Status (4)

Country Link
US (1) US6298018B1 (enExample)
JP (1) JPH11259903A (enExample)
KR (1) KR100346871B1 (enExample)
DE (1) DE19910109C2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4157204B2 (ja) * 1998-10-19 2008-10-01 セイコーインスツル株式会社 情報再生装置、情報記録装置、情報再生方法および情報記録方法
KR100603893B1 (ko) * 1998-12-10 2006-07-24 코닌클리케 필립스 일렉트로닉스 엔.브이. 기록매체의 광학 주사장치
JP2000276805A (ja) 1999-03-19 2000-10-06 Fujitsu Ltd 光学ヘッドおよびこれに用いるコイル組立体
JP4230087B2 (ja) * 1999-03-29 2009-02-25 独立行政法人産業技術総合研究所 光学再生記録方法および光学装置
JP4081702B2 (ja) * 1999-07-29 2008-04-30 ソニー株式会社 露光装置及び露光方法
JP4269471B2 (ja) * 2000-02-21 2009-05-27 ソニー株式会社 光記録媒体、光ピックアップおよび光記録再生装置
CN1252704C (zh) 2000-10-27 2006-04-19 皇家菲利浦电子有限公司 光学扫描装置
KR100696759B1 (ko) * 2001-06-08 2007-03-19 엘지전자 주식회사 광픽업 장치
KR20030044315A (ko) * 2001-11-29 2003-06-09 엘지전자 주식회사 고밀도 광기록재생방법, 그 장치
KR20030058750A (ko) * 2001-12-31 2003-07-07 엘지전자 주식회사 고밀도 광기록재생방법, 그 장치
WO2004008441A2 (en) * 2002-07-10 2004-01-22 Koninklijke Philips Electronics N.V. Optical recording and reading system, optical data storage medium and use of such medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125750A (en) * 1991-03-14 1992-06-30 The Board Of Trustees Of The Leland Stanford Junior University Optical recording system employing a solid immersion lens
US5470627A (en) * 1992-03-06 1995-11-28 Quantum Corporation Double-sided optical media for a disk storage device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5004307A (en) 1990-04-12 1991-04-02 The Board Of Trustees Of The Leland Stanford Junior University Near field and solid immersion optical microscope
JP3487001B2 (ja) * 1995-02-01 2004-01-13 ソニー株式会社 光ヘッド、光照射方法、記録媒体駆動装置
US6069853A (en) * 1998-08-21 2000-05-30 Terastor Corporation Head including a heating element for reducing signal distortion in data storage systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125750A (en) * 1991-03-14 1992-06-30 The Board Of Trustees Of The Leland Stanford Junior University Optical recording system employing a solid immersion lens
US5470627A (en) * 1992-03-06 1995-11-28 Quantum Corporation Double-sided optical media for a disk storage device

Also Published As

Publication number Publication date
DE19910109A1 (de) 1999-09-16
US6298018B1 (en) 2001-10-02
JPH11259903A (ja) 1999-09-24
KR19990077687A (ko) 1999-10-25
KR100346871B1 (ko) 2002-08-01

Similar Documents

Publication Publication Date Title
DE69431172T2 (de) Schreib-/Lesevorrichtung für optische Information
DE69504293T2 (de) Optisches Aufzeichnungsmedium mit zwei Informationsflächen
DE69030960T2 (de) Optisches Aufzeichnungsgerät
DE69419632T2 (de) Doppelseitige optische Speicherplatte für Plattenlaufwerk
DE69423793T2 (de) Vorrichtung zur magnetooptischen Aufzeichnung und Wiedergabe
DE69322590T2 (de) Verfahren und Vorrichtung zur Aufzeichnung und Wiedergabe von Information
DE69838968T2 (de) Optischer Abtastkopf und Abtastvorrichtung für optische Platte
DE69027103T2 (de) Optisches Aufzeichnungsmedium und Verfahren zur Aufzeichnungs und Wiedergabe von Informationen darauf
DE68908473T2 (de) Optischer Teil, optische Anordnung und drehbarer Kodierer mit diesem Teil.
EP0038499A1 (en) Optical recording and reproducing system
DE69219031T2 (de) Optischer Speicher
DE69132579T2 (de) Verfahren zur Aufzeichnung/Wiedergabe von Information auf/von eine(r)aufzeichnungsfähige(n)optische(n) Platte
DE69119418T2 (de) Verfahren zur wiedergabe eines signals aus einem optischen aufzeichnungsmedium
DE69222399T2 (de) Optische Abtastvorrichtung
DE19910109C2 (de) Optisches Aufzeichnungs- und Wiedergabeverfahren, optische Aufzeichnungs- und Wiedergabevorrichtung und optisches Speichermedium
DE4404635A1 (de) Schwimmender optischer Abtastkopf, der integral mit einer Lichtquelle und einem Photodetektor ausgebildet ist, und optisches Plattengerät mit einem solchen
DE4335799A1 (de) Optisches Aufzeichnungsverfahren und optisches Aufzeichnungsmedium
DE69133137T2 (de) Optisches Plattensystem
DE69221272T2 (de) Magnetooptische Platte
DE69327382T2 (de) Träger zur Aufzeichnung und Wiedergabe sowie Aufzeichnungs- und Wiedergabegerät
DE3588191T2 (de) Magneto-optisches Wiedergabegerät
DE68924120T2 (de) Optische Kopfanordnung.
DE69726527T2 (de) Optischer kopf und optisches aufzeichnungsgerät
DE69329355T2 (de) Optisches Aufzeichnungsmedium und optisches Aufzeichnungs/Wiedergabegerät
DE69123217T2 (de) Abspielgerät für magnetische Platten

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8304 Grant after examination procedure
8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee