JPH0349629U - - Google Patents

Info

Publication number
JPH0349629U
JPH0349629U JP11139589U JP11139589U JPH0349629U JP H0349629 U JPH0349629 U JP H0349629U JP 11139589 U JP11139589 U JP 11139589U JP 11139589 U JP11139589 U JP 11139589U JP H0349629 U JPH0349629 U JP H0349629U
Authority
JP
Japan
Prior art keywords
optical disk
cutting device
deflection element
objective lens
optical
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
JP11139589U
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 JP11139589U priority Critical patent/JPH0349629U/ja
Publication of JPH0349629U publication Critical patent/JPH0349629U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP11139589U 1989-09-21 1989-09-21 Pending JPH0349629U (US08063081-20111122-C00044.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11139589U JPH0349629U (US08063081-20111122-C00044.png) 1989-09-21 1989-09-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11139589U JPH0349629U (US08063081-20111122-C00044.png) 1989-09-21 1989-09-21

Publications (1)

Publication Number Publication Date
JPH0349629U true JPH0349629U (US08063081-20111122-C00044.png) 1991-05-15

Family

ID=31659876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11139589U Pending JPH0349629U (US08063081-20111122-C00044.png) 1989-09-21 1989-09-21

Country Status (1)

Country Link
JP (1) JPH0349629U (US08063081-20111122-C00044.png)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58102343A (ja) * 1981-12-10 1983-06-17 デイスコビジヨン・アソシエイツ 情報トラツクの間隔を測定する方法と装置
JPS6455750A (en) * 1987-08-26 1989-03-02 Sony Corp Optical recording and reproducing device
JPS6457244A (en) * 1987-08-28 1989-03-03 Sony Corp Light beam deflecting device
JPH01133237A (ja) * 1987-04-08 1989-05-25 Nippon Telegr & Teleph Corp <Ntt> 光ディスク原版の製造方法およびその製造装置並びに光ディスク
JPH02263326A (ja) * 1989-03-31 1990-10-26 Toshiba Corp 光メモリ原盤のサーボパターン記録方法および装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58102343A (ja) * 1981-12-10 1983-06-17 デイスコビジヨン・アソシエイツ 情報トラツクの間隔を測定する方法と装置
JPH01133237A (ja) * 1987-04-08 1989-05-25 Nippon Telegr & Teleph Corp <Ntt> 光ディスク原版の製造方法およびその製造装置並びに光ディスク
JPS6455750A (en) * 1987-08-26 1989-03-02 Sony Corp Optical recording and reproducing device
JPS6457244A (en) * 1987-08-28 1989-03-03 Sony Corp Light beam deflecting device
JPH02263326A (ja) * 1989-03-31 1990-10-26 Toshiba Corp 光メモリ原盤のサーボパターン記録方法および装置

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