JPS6194248A - 光カ−ド - Google Patents

光カ−ド

Info

Publication number
JPS6194248A
JPS6194248A JP59214974A JP21497484A JPS6194248A JP S6194248 A JPS6194248 A JP S6194248A JP 59214974 A JP59214974 A JP 59214974A JP 21497484 A JP21497484 A JP 21497484A JP S6194248 A JPS6194248 A JP S6194248A
Authority
JP
Japan
Prior art keywords
film
layer
substrate
optical
recording
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.)
Granted
Application number
JP59214974A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0542740B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Toshiki Aoi
利樹 青井
Noriyoshi Nanba
憲良 南波
Hiroshi Hosaka
洋 保坂
Shohei Mimura
三村 升平
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.)
TDK Corp
Toppan Infomedia Co Ltd
Original Assignee
Tokyo Magnetic Printing Co Ltd
TDK 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 Tokyo Magnetic Printing Co Ltd, TDK Corp filed Critical Tokyo Magnetic Printing Co Ltd
Priority to JP59214974A priority Critical patent/JPS6194248A/ja
Publication of JPS6194248A publication Critical patent/JPS6194248A/ja
Publication of JPH0542740B2 publication Critical patent/JPH0542740B2/ja
Granted 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material

Landscapes

  • Credit Cards Or The Like (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59214974A 1984-10-13 1984-10-13 光カ−ド Granted JPS6194248A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59214974A JPS6194248A (ja) 1984-10-13 1984-10-13 光カ−ド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59214974A JPS6194248A (ja) 1984-10-13 1984-10-13 光カ−ド

Publications (2)

Publication Number Publication Date
JPS6194248A true JPS6194248A (ja) 1986-05-13
JPH0542740B2 JPH0542740B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-06-29

Family

ID=16664628

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59214974A Granted JPS6194248A (ja) 1984-10-13 1984-10-13 光カ−ド

Country Status (1)

Country Link
JP (1) JPS6194248A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008024223A1 (en) * 2006-08-21 2008-02-28 Imation Corp. Raw material conserving optical data storage media

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008024223A1 (en) * 2006-08-21 2008-02-28 Imation Corp. Raw material conserving optical data storage media
US7785689B2 (en) 2006-08-21 2010-08-31 Imation Corp. Raw material conserving optical data storage media

Also Published As

Publication number Publication date
JPH0542740B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-06-29

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees