JPH01133227U - - Google Patents

Info

Publication number
JPH01133227U
JPH01133227U JP1988024161U JP2416188U JPH01133227U JP H01133227 U JPH01133227 U JP H01133227U JP 1988024161 U JP1988024161 U JP 1988024161U JP 2416188 U JP2416188 U JP 2416188U JP H01133227 U JPH01133227 U JP H01133227U
Authority
JP
Japan
Prior art keywords
substrates
optical recording
recording disk
pair
groove
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
JP1988024161U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0753129Y2 (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 JP1988024161U priority Critical patent/JPH0753129Y2/ja
Publication of JPH01133227U publication Critical patent/JPH01133227U/ja
Application granted granted Critical
Publication of JPH0753129Y2 publication Critical patent/JPH0753129Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP1988024161U 1988-02-25 1988-02-25 光記録ディスク Expired - Lifetime JPH0753129Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988024161U JPH0753129Y2 (ja) 1988-02-25 1988-02-25 光記録ディスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988024161U JPH0753129Y2 (ja) 1988-02-25 1988-02-25 光記録ディスク

Publications (2)

Publication Number Publication Date
JPH01133227U true JPH01133227U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-09-11
JPH0753129Y2 JPH0753129Y2 (ja) 1995-12-06

Family

ID=31243771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988024161U Expired - Lifetime JPH0753129Y2 (ja) 1988-02-25 1988-02-25 光記録ディスク

Country Status (1)

Country Link
JP (1) JPH0753129Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023935U (ja) * 1983-07-25 1985-02-19 株式会社日立製作所 光ディスク
JPS60180329U (ja) * 1984-05-09 1985-11-30 日本コロムビア株式会社 光学式記録媒体用基板
JPS61132535U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1985-02-05 1986-08-19
JPS62222447A (ja) * 1986-03-24 1987-09-30 Canon Inc 光学的記録デイスク

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023935U (ja) * 1983-07-25 1985-02-19 株式会社日立製作所 光ディスク
JPS60180329U (ja) * 1984-05-09 1985-11-30 日本コロムビア株式会社 光学式記録媒体用基板
JPS61132535U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1985-02-05 1986-08-19
JPS62222447A (ja) * 1986-03-24 1987-09-30 Canon Inc 光学的記録デイスク

Also Published As

Publication number Publication date
JPH0753129Y2 (ja) 1995-12-06

Similar Documents

Publication Publication Date Title
JPS6423774U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH01133227U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6198230U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0376222U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH01181125U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH025122U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0166620U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS63195624U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0230125U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6190031U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH02135927U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6023935U (ja) 光ディスク
JPS63195679U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6347420U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH01109828U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6161624U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6190030U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6298022U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6358323U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6277424U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS63176931U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0394676U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6026625U (ja) 光デイスク
JPH0166618U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6179824U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)