JPH025120U - - Google Patents

Info

Publication number
JPH025120U
JPH025120U JP1988079926U JP7992688U JPH025120U JP H025120 U JPH025120 U JP H025120U JP 1988079926 U JP1988079926 U JP 1988079926U JP 7992688 U JP7992688 U JP 7992688U JP H025120 U JPH025120 U JP H025120U
Authority
JP
Japan
Prior art keywords
guide grooves
substrate
recording medium
optical recording
lands
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
JP1988079926U
Other languages
English (en)
Japanese (ja)
Other versions
JP2543287Y2 (ja
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 filed Critical
Priority to JP1988079926U priority Critical patent/JP2543287Y2/ja
Publication of JPH025120U publication Critical patent/JPH025120U/ja
Application granted granted Critical
Publication of JP2543287Y2 publication Critical patent/JP2543287Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
JP1988079926U 1988-06-16 1988-06-16 光記録媒体 Expired - Lifetime JP2543287Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988079926U JP2543287Y2 (ja) 1988-06-16 1988-06-16 光記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988079926U JP2543287Y2 (ja) 1988-06-16 1988-06-16 光記録媒体

Publications (2)

Publication Number Publication Date
JPH025120U true JPH025120U (en]) 1990-01-12
JP2543287Y2 JP2543287Y2 (ja) 1997-08-06

Family

ID=31304772

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988079926U Expired - Lifetime JP2543287Y2 (ja) 1988-06-16 1988-06-16 光記録媒体

Country Status (1)

Country Link
JP (1) JP2543287Y2 (en])

Also Published As

Publication number Publication date
JP2543287Y2 (ja) 1997-08-06

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