JPH0753134Y2 - 情報ディスク - Google Patents

情報ディスク

Info

Publication number
JPH0753134Y2
JPH0753134Y2 JP1988007057U JP705788U JPH0753134Y2 JP H0753134 Y2 JPH0753134 Y2 JP H0753134Y2 JP 1988007057 U JP1988007057 U JP 1988007057U JP 705788 U JP705788 U JP 705788U JP H0753134 Y2 JPH0753134 Y2 JP H0753134Y2
Authority
JP
Japan
Prior art keywords
groove
recording
outer peripheral
mirror surface
recording film
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
JP1988007057U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01113830U (en]
Inventor
英男 小林
泰成 清水
勝 高山
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
Original Assignee
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 TDK Corp filed Critical TDK Corp
Priority to JP1988007057U priority Critical patent/JPH0753134Y2/ja
Publication of JPH01113830U publication Critical patent/JPH01113830U/ja
Application granted granted Critical
Publication of JPH0753134Y2 publication Critical patent/JPH0753134Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP1988007057U 1988-01-25 1988-01-25 情報ディスク Expired - Lifetime JPH0753134Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988007057U JPH0753134Y2 (ja) 1988-01-25 1988-01-25 情報ディスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988007057U JPH0753134Y2 (ja) 1988-01-25 1988-01-25 情報ディスク

Publications (2)

Publication Number Publication Date
JPH01113830U JPH01113830U (en]) 1989-07-31
JPH0753134Y2 true JPH0753134Y2 (ja) 1995-12-06

Family

ID=31211750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988007057U Expired - Lifetime JPH0753134Y2 (ja) 1988-01-25 1988-01-25 情報ディスク

Country Status (1)

Country Link
JP (1) JPH0753134Y2 (en])

Also Published As

Publication number Publication date
JPH01113830U (en]) 1989-07-31

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