DE9421869U1 - Optical disk - Google Patents

Optical disk

Info

Publication number
DE9421869U1
DE9421869U1 DE9421869U DE9421869U DE9421869U1 DE 9421869 U1 DE9421869 U1 DE 9421869U1 DE 9421869 U DE9421869 U DE 9421869U DE 9421869 U DE9421869 U DE 9421869U DE 9421869 U1 DE9421869 U1 DE 9421869U1
Authority
DE
Germany
Prior art keywords
optical disk
disk
optical
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
Application number
DE9421869U
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE9421869U priority Critical patent/DE9421869U1/en
Priority claimed from DE19944437074 external-priority patent/DE4437074C2/en
Publication of DE9421869U1 publication Critical patent/DE9421869U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/24097—Structures for detection, control, recording operation or replay operation; Special shapes or structures for centering or eccentricity prevention; Arrangements for testing, inspecting or evaluating; Containers, cartridges or cassettes
    • 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
    • G11B7/2542—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 consisting essentially of organic resins
DE9421869U 1994-10-17 1994-10-17 Optical disk Expired - Lifetime DE9421869U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9421869U DE9421869U1 (en) 1994-10-17 1994-10-17 Optical disk

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19944437074 DE4437074C2 (en) 1994-10-17 1994-10-17 Optical disk
DE9421869U DE9421869U1 (en) 1994-10-17 1994-10-17 Optical disk

Publications (1)

Publication Number Publication Date
DE9421869U1 true DE9421869U1 (en) 1997-01-02

Family

ID=25941127

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9421869U Expired - Lifetime DE9421869U1 (en) 1994-10-17 1994-10-17 Optical disk

Country Status (1)

Country Link
DE (1) DE9421869U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19742150C1 (en) * 1997-09-24 1999-04-22 Siemens Nixdorf Inf Syst Process for the production of an optical storage disc and for the production of a suitable CD-R disc blank

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19742150C1 (en) * 1997-09-24 1999-04-22 Siemens Nixdorf Inf Syst Process for the production of an optical storage disc and for the production of a suitable CD-R disc blank
US6447870B1 (en) 1997-09-24 2002-09-10 Siemens Aktiengesellschaft Optical storage disk blank and method for manufacturing the disk blank

Similar Documents

Publication Publication Date Title
DE69526697T2 (en) Optical disc
DE69729584D1 (en) MULTIFOCALE OPTICAL COMPOSITLINES
DE69622471T2 (en) Optical disc
DE69518225D1 (en) OPTICAL CARTRIDGE
DE69713908D1 (en) Optical disc
DE69718211D1 (en) Optical disc
DE69429371D1 (en) Optical disc
DE69735978D1 (en) Phase change optical disk
DE69321286D1 (en) Optical disc
DE69514358D1 (en) OPTICAL COMPONENT ARRANGEMENT
DE69735460D1 (en) Optical recording disk
DE69529440T2 (en) Optical card
DE69313810T2 (en) OPTICAL DISK UNIT
DE69701107D1 (en) Optical disk device
DE69730628D1 (en) Optical disk device
DE69616872T2 (en) Optical disk device
DE69514852T2 (en) Optical disc
DE69421264D1 (en) Optical disk drive unit
DE69534560D1 (en) Optical Rangierverteiler
DE69727726D1 (en) Optical disc
DE69826205D1 (en) Optical disc
DE69114433D1 (en) Optical disk unit.
DE59503088D1 (en) OPTICAL COUPLING ARRANGEMENT
DE9421869U1 (en) Optical disk
DE69734578D1 (en) OPTICAL CLOCK