JPH0250826U - - Google Patents

Info

Publication number
JPH0250826U
JPH0250826U JP1988127285U JP12728588U JPH0250826U JP H0250826 U JPH0250826 U JP H0250826U JP 1988127285 U JP1988127285 U JP 1988127285U JP 12728588 U JP12728588 U JP 12728588U JP H0250826 U JPH0250826 U JP H0250826U
Authority
JP
Japan
Prior art keywords
optical disk
protrusion
substrate
disk according
laser beam
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
JP1988127285U
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 JP1988127285U priority Critical patent/JPH0250826U/ja
Publication of JPH0250826U publication Critical patent/JPH0250826U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP1988127285U 1988-09-30 1988-09-30 Pending JPH0250826U (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988127285U JPH0250826U (de) 1988-09-30 1988-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988127285U JPH0250826U (de) 1988-09-30 1988-09-30

Publications (1)

Publication Number Publication Date
JPH0250826U true JPH0250826U (de) 1990-04-10

Family

ID=31379579

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988127285U Pending JPH0250826U (de) 1988-09-30 1988-09-30

Country Status (1)

Country Link
JP (1) JPH0250826U (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02243317A (ja) * 1989-03-17 1990-09-27 Hitachi Ltd 光方式ディスク基板とその製造方法
JPH0536664U (ja) * 1991-10-22 1993-05-18 長野日本電産株式会社 ダミーデイスク
JPH06223407A (ja) * 1993-01-22 1994-08-12 Sharp Corp フレキシブルディスク
WO2003069610A1 (fr) * 2002-02-13 2003-08-21 Sony Corporation Support d'enregistrement optique de type disque
KR100595159B1 (ko) * 1999-01-28 2006-07-03 엘지전자 주식회사 광디스크

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02243317A (ja) * 1989-03-17 1990-09-27 Hitachi Ltd 光方式ディスク基板とその製造方法
JPH0536664U (ja) * 1991-10-22 1993-05-18 長野日本電産株式会社 ダミーデイスク
JPH06223407A (ja) * 1993-01-22 1994-08-12 Sharp Corp フレキシブルディスク
KR100595159B1 (ko) * 1999-01-28 2006-07-03 엘지전자 주식회사 광디스크
WO2003069610A1 (fr) * 2002-02-13 2003-08-21 Sony Corporation Support d'enregistrement optique de type disque

Similar Documents

Publication Publication Date Title
JPH0250826U (de)
JPH01181129U (de)
JPH0458818U (de)
JPH0366034U (de)
JPS6235422U (de)
JPS61126423U (de)
JPH01121130U (de)
JPS63128513U (de)
JPS61111040U (de)
JPS63195678U (de)
JPH0376222U (de)
JPS6368627U (de)
JPH0159919U (de)
JPH025123U (de)
JPH01181131U (de)
JPS62133226U (de)
JPH0476615U (de)
JPS62162302U (de)
JPS64820U (de)
JPS62154670U (de)
JPH0472322U (de)
JPH0242220U (de)
JPS63109388U (de)
JPH01140629U (de)
JPH03130068U (de)