CN1164736A - 盘形记录介质 - Google Patents

盘形记录介质 Download PDF

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Publication number
CN1164736A
CN1164736A CN96107396A CN96107396A CN1164736A CN 1164736 A CN1164736 A CN 1164736A CN 96107396 A CN96107396 A CN 96107396A CN 96107396 A CN96107396 A CN 96107396A CN 1164736 A CN1164736 A CN 1164736A
Authority
CN
China
Prior art keywords
disc
substrate
shape recoding
recording medium
protection
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
CN96107396A
Other languages
English (en)
Chinese (zh)
Inventor
浅野隆一
小池重明
坂本进
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of CN1164736A publication Critical patent/CN1164736A/zh
Pending legal-status Critical Current

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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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24047—Substrates
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • 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
    • G11B7/254—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 protective topcoat layers
CN96107396A 1995-04-07 1996-04-07 盘形记录介质 Pending CN1164736A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7082727A JPH08279181A (ja) 1995-04-07 1995-04-07 円盤状記録媒体
JP082727/95 1995-04-07

Publications (1)

Publication Number Publication Date
CN1164736A true CN1164736A (zh) 1997-11-12

Family

ID=13782460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96107396A Pending CN1164736A (zh) 1995-04-07 1996-04-07 盘形记录介质

Country Status (4)

Country Link
JP (1) JPH08279181A (ja)
KR (1) KR960038796A (ja)
CN (1) CN1164736A (ja)
CA (1) CA2173421A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1831985B (zh) * 2000-04-25 2010-05-26 松下电器产业株式会社 光盘及其制造方法以及光盘的制造装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100514252B1 (ko) * 1997-11-06 2005-11-28 엘지전자 주식회사 디스크기록매체

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1831985B (zh) * 2000-04-25 2010-05-26 松下电器产业株式会社 光盘及其制造方法以及光盘的制造装置

Also Published As

Publication number Publication date
JPH08279181A (ja) 1996-10-22
KR960038796A (ko) 1996-11-21
CA2173421A1 (en) 1996-10-08

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PB01 Publication
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