JPH0375945B2 - - Google Patents

Info

Publication number
JPH0375945B2
JPH0375945B2 JP60215909A JP21590985A JPH0375945B2 JP H0375945 B2 JPH0375945 B2 JP H0375945B2 JP 60215909 A JP60215909 A JP 60215909A JP 21590985 A JP21590985 A JP 21590985A JP H0375945 B2 JPH0375945 B2 JP H0375945B2
Authority
JP
Japan
Prior art keywords
guide
substrate
glass substrate
guide groove
glass
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
JP60215909A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6273440A (ja
Inventor
Junji Hirokane
Tetsuya Inui
Akira Takahashi
Toshihisa Deguchi
Kenji Oota
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP60215909A priority Critical patent/JPS6273440A/ja
Priority to DE3689593T priority patent/DE3689593T2/de
Priority to EP19860306711 priority patent/EP0214824B1/en
Priority to EP90203177A priority patent/EP0434114B1/en
Priority to DE8686306711T priority patent/DE3682985D1/de
Publication of JPS6273440A publication Critical patent/JPS6273440A/ja
Priority to US07/229,753 priority patent/US4925776A/en
Publication of JPH0375945B2 publication Critical patent/JPH0375945B2/ja
Priority to US08/074,272 priority patent/US5470694A/en
Granted legal-status Critical Current

Links

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP60215909A 1985-08-30 1985-09-26 光メモリ素子 Granted JPS6273440A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP60215909A JPS6273440A (ja) 1985-09-26 1985-09-26 光メモリ素子
DE3689593T DE3689593T2 (de) 1985-08-30 1986-08-29 Element für optische Speicherung und Verfahren zu dessen Herstellung.
EP19860306711 EP0214824B1 (en) 1985-08-30 1986-08-29 Manufacturing method for an optical memory element
EP90203177A EP0434114B1 (en) 1985-08-30 1986-08-29 Optical memory element and manufacturing method thereof
DE8686306711T DE3682985D1 (de) 1985-08-30 1986-08-29 Verfahren zur herstellung eines optischen verzeichniselementes.
US07/229,753 US4925776A (en) 1985-08-30 1988-08-08 Optical memory element and manufacturing method thereof
US08/074,272 US5470694A (en) 1985-08-30 1993-06-10 Optical memory element and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60215909A JPS6273440A (ja) 1985-09-26 1985-09-26 光メモリ素子

Publications (2)

Publication Number Publication Date
JPS6273440A JPS6273440A (ja) 1987-04-04
JPH0375945B2 true JPH0375945B2 (enrdf_load_stackoverflow) 1991-12-03

Family

ID=16680257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60215909A Granted JPS6273440A (ja) 1985-08-30 1985-09-26 光メモリ素子

Country Status (1)

Country Link
JP (1) JPS6273440A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2551994B2 (ja) * 1989-05-15 1996-11-06 シャープ株式会社 光磁気ディスクの製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6094660U (ja) * 1983-12-01 1985-06-27 株式会社リコー レジスト塗布装置

Also Published As

Publication number Publication date
JPS6273440A (ja) 1987-04-04

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees