JPS6424585U - - Google Patents

Info

Publication number
JPS6424585U
JPS6424585U JP11886587U JP11886587U JPS6424585U JP S6424585 U JPS6424585 U JP S6424585U JP 11886587 U JP11886587 U JP 11886587U JP 11886587 U JP11886587 U JP 11886587U JP S6424585 U JPS6424585 U JP S6424585U
Authority
JP
Japan
Prior art keywords
optical disk
disk substrate
identification mark
type
substrate
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.)
Pending
Application number
JP11886587U
Other languages
English (en)
Japanese (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 JP11886587U priority Critical patent/JPS6424585U/ja
Publication of JPS6424585U publication Critical patent/JPS6424585U/ja
Pending legal-status Critical Current

Links

JP11886587U 1987-08-04 1987-08-04 Pending JPS6424585U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11886587U JPS6424585U (enExample) 1987-08-04 1987-08-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11886587U JPS6424585U (enExample) 1987-08-04 1987-08-04

Publications (1)

Publication Number Publication Date
JPS6424585U true JPS6424585U (enExample) 1989-02-09

Family

ID=31363587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11886587U Pending JPS6424585U (enExample) 1987-08-04 1987-08-04

Country Status (1)

Country Link
JP (1) JPS6424585U (enExample)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS613382A (ja) * 1984-06-16 1986-01-09 Victor Co Of Japan Ltd 情報記録媒体円盤の原盤
JPS61258384A (ja) * 1985-05-10 1986-11-15 Toshiba Corp 光デイスク媒体
JPS6245786B2 (enExample) * 1981-02-26 1987-09-29 Hitachi Ltd
JPS63121187A (ja) * 1986-11-10 1988-05-25 Hitachi Maxell Ltd 光情報記録デイスク

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6245786B2 (enExample) * 1981-02-26 1987-09-29 Hitachi Ltd
JPS613382A (ja) * 1984-06-16 1986-01-09 Victor Co Of Japan Ltd 情報記録媒体円盤の原盤
JPS61258384A (ja) * 1985-05-10 1986-11-15 Toshiba Corp 光デイスク媒体
JPS63121187A (ja) * 1986-11-10 1988-05-25 Hitachi Maxell Ltd 光情報記録デイスク

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