JPH11259903A - 光記録再生方法及び光記録再生装置並びに光記録媒体 - Google Patents

光記録再生方法及び光記録再生装置並びに光記録媒体

Info

Publication number
JPH11259903A
JPH11259903A JP10056553A JP5655398A JPH11259903A JP H11259903 A JPH11259903 A JP H11259903A JP 10056553 A JP10056553 A JP 10056553A JP 5655398 A JP5655398 A JP 5655398A JP H11259903 A JPH11259903 A JP H11259903A
Authority
JP
Japan
Prior art keywords
light
optical
optical recording
objective lens
coupling 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.)
Pending
Application number
JP10056553A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11259903A5 (enExample
Inventor
Akira Takahashi
明 高橋
Yoshiteru Murakami
善照 村上
Naoyasu Iketani
直泰 池谷
Ippei Suzuki
一平 鈴木
Takeshi Mori
豪 森
Shinya Hirata
真也 平田
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
Priority to JP10056553A priority Critical patent/JPH11259903A/ja
Priority to DE19910109A priority patent/DE19910109C2/de
Priority to KR1019990007613A priority patent/KR100346871B1/ko
Priority to US09/264,416 priority patent/US6298018B1/en
Publication of JPH11259903A publication Critical patent/JPH11259903A/ja
Publication of JPH11259903A5 publication Critical patent/JPH11259903A5/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/122Flying-type heads, e.g. analogous to Winchester type in magnetic recording
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B7/1374Objective lenses
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1387Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording 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
    • G11B11/10Recording 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
    • G11B11/105Recording 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
    • G11B11/10532Heads
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording 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
    • G11B11/10Recording 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
    • G11B11/105Recording 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
    • G11B11/1055Disposition or mounting of transducers relative to record carriers
    • G11B11/10552Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base
    • G11B11/10554Arrangements 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording 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
    • G11B11/10Recording 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
    • G11B11/105Recording 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
    • G11B11/1055Disposition or mounting of transducers relative to record carriers
    • G11B11/1058Flying heads
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording 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
    • G11B11/10Recording 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
    • G11B11/105Recording 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
    • G11B11/10582Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10584Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B2007/13727Compound 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)
JP10056553A 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 Pending JPH11259903A (ja)

Priority Applications (4)

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
DE19910109A DE19910109C2 (de) 1998-03-09 1999-03-08 Optisches Aufzeichnungs- und Wiedergabeverfahren, optische Aufzeichnungs- und Wiedergabevorrichtung und optisches Speichermedium
KR1019990007613A KR100346871B1 (ko) 1998-03-09 1999-03-08 광기록 재생 방법 및 광기록 재생 장치 및 광기록 매체
US09/264,416 US6298018B1 (en) 1998-03-09 1999-03-08 Optical recording and reproducing method optical recording and reproducing device, and optical recording medium

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006119843A Division JP2006236570A (ja) 2006-04-24 2006-04-24 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
JPH11259903A true JPH11259903A (ja) 1999-09-24
JPH11259903A5 JPH11259903A5 (enExample) 2005-07-14

Family

ID=13030310

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10056553A Pending 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

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100804071B1 (ko) * 2000-10-27 2008-02-18 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학주사장치
EP1128374A3 (en) * 2000-02-21 2008-04-02 Sony Corporation Optical recording medium, optical pickup and optical recording and/or reproducing apparatus

Families Citing this family (9)

* 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
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

Family Cites Families (5)

* 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
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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1128374A3 (en) * 2000-02-21 2008-04-02 Sony Corporation Optical recording medium, optical pickup and optical recording and/or reproducing apparatus
KR100804071B1 (ko) * 2000-10-27 2008-02-18 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학주사장치

Also Published As

Publication number Publication date
DE19910109A1 (de) 1999-09-16
US6298018B1 (en) 2001-10-02
DE19910109C2 (de) 2003-04-03
KR19990077687A (ko) 1999-10-25
KR100346871B1 (ko) 2002-08-01

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