JPS6214889B2 - - Google Patents

Info

Publication number
JPS6214889B2
JPS6214889B2 JP50086399A JP8639975A JPS6214889B2 JP S6214889 B2 JPS6214889 B2 JP S6214889B2 JP 50086399 A JP50086399 A JP 50086399A JP 8639975 A JP8639975 A JP 8639975A JP S6214889 B2 JPS6214889 B2 JP S6214889B2
Authority
JP
Japan
Prior art keywords
recording
guide groove
light
recording medium
layer
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
Application number
JP50086399A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5210102A (en
Inventor
Hiroshi Hanada
Masanao Kasai
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP50086399A priority Critical patent/JPS5210102A/ja
Publication of JPS5210102A publication Critical patent/JPS5210102A/ja
Publication of JPS6214889B2 publication Critical patent/JPS6214889B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Magnetic Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP50086399A 1975-07-15 1975-07-15 Recording medium Granted JPS5210102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50086399A JPS5210102A (en) 1975-07-15 1975-07-15 Recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50086399A JPS5210102A (en) 1975-07-15 1975-07-15 Recording medium

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP21379283A Division JPS59112451A (ja) 1983-11-14 1983-11-14 情報記録再生方法
JP61020499A Division JPS61210546A (ja) 1986-02-01 1986-02-01 記録媒体

Publications (2)

Publication Number Publication Date
JPS5210102A JPS5210102A (en) 1977-01-26
JPS6214889B2 true JPS6214889B2 (enrdf_load_stackoverflow) 1987-04-04

Family

ID=13885784

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50086399A Granted JPS5210102A (en) 1975-07-15 1975-07-15 Recording medium

Country Status (1)

Country Link
JP (1) JPS5210102A (enrdf_load_stackoverflow)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56117341A (en) * 1980-02-18 1981-09-14 Toshiba Corp Optical disk and its manufacture
JPS56145535A (en) * 1980-04-15 1981-11-12 Matsushita Electric Ind Co Ltd Disc for optical recording
JPS56145530A (en) * 1980-04-15 1981-11-12 Matsushita Electric Ind Co Ltd Optical information recording and erasing method
FR2490858B1 (fr) * 1980-09-25 1986-04-04 Rca Corp Milieu d'enregistrement optique a sensibilite variable et disque contenant de l'information, realise a l'aide d'un tel milieu
JPS5760543A (en) * 1980-09-29 1982-04-12 Fujitsu Ltd Recording medium for energy beam
NL8100098A (nl) * 1981-01-12 1982-08-02 Philips Nv Registratiedrager met optisch uitleesbare informatiestruktuur.
JPS57158047A (en) * 1981-03-24 1982-09-29 Toshiba Corp Optical information recording medium
FR2509891B1 (fr) * 1981-07-17 1986-12-05 Thomson Csf Dispositif optique d'enregistrement-lecture sur support d'information pregrave
JPS5940339A (ja) * 1982-08-31 1984-03-06 Konishiroku Photo Ind Co Ltd 情報記録媒体
US4616237A (en) * 1982-09-27 1986-10-07 Pa Management Consultants, Ltd. Data storage medium
JPS59168945A (ja) * 1983-03-17 1984-09-22 Toshiba Corp 光学式情報記録媒体
JPS59210547A (ja) * 1983-05-13 1984-11-29 Sharp Corp 光メモリ素子の製造方法
JPH06103548B2 (ja) * 1983-07-29 1994-12-14 株式会社東芝 光学的情報記録媒体
JPS60131652A (ja) * 1983-12-20 1985-07-13 Matsushita Electric Ind Co Ltd 信号記録スタンパ−
JPS60173731A (ja) * 1984-02-06 1985-09-07 Nippon Telegr & Teleph Corp <Ntt> 光学デイスク
JPS60173732A (ja) * 1984-02-09 1985-09-07 Nippon Telegr & Teleph Corp <Ntt> 光学デイスク
JPH0831210B2 (ja) * 1984-09-20 1996-03-27 日本電気株式会社 光ディスク装置
JPH0619854B2 (ja) * 1984-10-08 1994-03-16 株式会社リコー 光学的情報記憶媒体
JPS6350933A (ja) * 1986-08-20 1988-03-03 Matsushita Electric Ind Co Ltd 平板状情報記録担体
JP2521069B2 (ja) * 1986-11-29 1996-07-31 大日本印刷株式会社 光記録媒体
DE3719200A1 (de) * 1987-06-09 1988-12-29 Ibm Deutschland Optische speicherplatte und verfahren zu ihrer herstellung
JPH01107336A (ja) * 1987-10-21 1989-04-25 Hitachi Ltd 光デイスク
JPH03228240A (ja) * 1990-09-21 1991-10-09 Sharp Corp 磁気光学記憶素子
JPH0677017U (ja) * 1992-12-28 1994-10-28 大日本印刷株式会社 情報記録用カード

Also Published As

Publication number Publication date
JPS5210102A (en) 1977-01-26

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