CN1266683C - 测试盘 - Google Patents

测试盘 Download PDF

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Publication number
CN1266683C
CN1266683C CNB2004100304126A CN200410030412A CN1266683C CN 1266683 C CN1266683 C CN 1266683C CN B2004100304126 A CNB2004100304126 A CN B2004100304126A CN 200410030412 A CN200410030412 A CN 200410030412A CN 1266683 C CN1266683 C CN 1266683C
Authority
CN
China
Prior art keywords
signal recording
recording surface
pick
laser
wavelength
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
CNB2004100304126A
Other languages
English (en)
Chinese (zh)
Other versions
CN1538403A (zh
Inventor
前纳良昭
小川光昭
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.)
Shanghai United disk Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of CN1538403A publication Critical patent/CN1538403A/zh
Application granted granted Critical
Publication of CN1266683C publication Critical patent/CN1266683C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • G11B7/24041—Multiple laminated recording layers with different recording characteristics
    • 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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)
CNB2004100304126A 2003-03-31 2004-03-15 测试盘 Expired - Fee Related CN1266683C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003096259A JP2004303351A (ja) 2003-03-31 2003-03-31 テストディスク
JP96259/2003 2003-03-31

Publications (2)

Publication Number Publication Date
CN1538403A CN1538403A (zh) 2004-10-20
CN1266683C true CN1266683C (zh) 2006-07-26

Family

ID=33408381

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100304126A Expired - Fee Related CN1266683C (zh) 2003-03-31 2004-03-15 测试盘

Country Status (4)

Country Link
JP (1) JP2004303351A (ko)
KR (1) KR100597911B1 (ko)
CN (1) CN1266683C (ko)
TW (1) TWI267075B (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008059618A (ja) * 2005-01-07 2008-03-13 Matsushita Electric Ind Co Ltd ２層光ディスク

Also Published As

Publication number Publication date
TW200423113A (en) 2004-11-01
KR100597911B1 (ko) 2006-07-10
TWI267075B (en) 2006-11-21
KR20040086179A (ko) 2004-10-08
CN1538403A (zh) 2004-10-20
JP2004303351A (ja) 2004-10-28

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: DONGYINMEI CO., LTD.

Free format text: FORMER OWNER: SANYO ELECTRIC CO., LTD.

Effective date: 20080606

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20080606

Address after: Shizuoka

Patentee after: In the East Limited by Share Ltd

Address before: Osaka

Patentee before: Sanyo Electric Co., Ltd.

ASS Succession or assignment of patent right

Owner name: SHANGHAI UNITED OPTICAL DISC CO., LTD

Free format text: FORMER OWNER: DONGYINMEI CO.,LTD.

Effective date: 20100506

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: SHIZUOKA, JAPAN TO: 200233 BUILDING 61, NO.421, HONGCAO ROAD, SHANGHAI CITY

TR01 Transfer of patent right

Effective date of registration: 20100506

Address after: 200233. 61 building, No. 421 Rainbow Road, Shanghai

Patentee after: Shanghai United disk Co Ltd

Address before: Shizuoka

Patentee before: In the East Limited by Share Ltd

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060726

Termination date: 20160315

CF01 Termination of patent right due to non-payment of annual fee