JPH0411221Y2 - - Google Patents
Info
- Publication number
- JPH0411221Y2 JPH0411221Y2 JP1981150950U JP15095081U JPH0411221Y2 JP H0411221 Y2 JPH0411221 Y2 JP H0411221Y2 JP 1981150950 U JP1981150950 U JP 1981150950U JP 15095081 U JP15095081 U JP 15095081U JP H0411221 Y2 JPH0411221 Y2 JP H0411221Y2
- Authority
- JP
- Japan
- Prior art keywords
- card
- optical recording
- recording
- layer
- 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.)
- Expired
Links
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981150950U JPS5856337U (ja) | 1981-10-13 | 1981-10-13 | 情報記録用カ−ド |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981150950U JPS5856337U (ja) | 1981-10-13 | 1981-10-13 | 情報記録用カ−ド |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5856337U JPS5856337U (ja) | 1983-04-16 |
JPH0411221Y2 true JPH0411221Y2 (enrdf_load_stackoverflow) | 1992-03-19 |
Family
ID=29943656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981150950U Granted JPS5856337U (ja) | 1981-10-13 | 1981-10-13 | 情報記録用カ−ド |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5856337U (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6034664U (ja) * | 1983-08-15 | 1985-03-09 | ソニー株式会社 | 光学式情報カ−ド |
JPS6350933A (ja) * | 1986-08-20 | 1988-03-03 | Matsushita Electric Ind Co Ltd | 平板状情報記録担体 |
JP2506784B2 (ja) * | 1987-07-01 | 1996-06-12 | 松下電器産業株式会社 | カ−ド状光記録媒体 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL187413C (nl) * | 1978-03-16 | 1991-09-16 | Philips Nv | Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager. |
JPS554724A (en) * | 1978-06-22 | 1980-01-14 | Canon Inc | Information recording and reproducing device |
-
1981
- 1981-10-13 JP JP1981150950U patent/JPS5856337U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5856337U (ja) | 1983-04-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0423662B1 (en) | High track density magnetic media with pitted optical servo tracks and method for stamping the tracks on the media | |
WO1986005620A1 (en) | Data registration medium | |
JPH0411221Y2 (enrdf_load_stackoverflow) | ||
US7369483B2 (en) | Pre-formatted linear optical data storage medium | |
JP2710609B2 (ja) | 記録媒体用カードの製造方法 | |
US20050141064A1 (en) | Hologram recording medium, and recording apparatus and reproducing apparatus for the same | |
EP0720160B1 (en) | Optical disk with pits formed by stamper and method for fabricating the same | |
JPH0677017U (ja) | 情報記録用カード | |
JPH11353656A (ja) | 光学記録媒体、光学記録媒体用基板、ディスク原盤の製造方法並びにトラックアクセス方法 | |
JPH08147433A (ja) | 光カード | |
JPH0228544Y2 (enrdf_load_stackoverflow) | ||
JP3499755B2 (ja) | 記録媒体およびその作製方法 | |
US20070242321A1 (en) | Holographic Recording Medium and Recording and Reproducing Method Thereof | |
JPH039077Y2 (enrdf_load_stackoverflow) | ||
JPH0648577Y2 (ja) | 案内溝を有する情報記録媒体 | |
JPH049648Y2 (enrdf_load_stackoverflow) | ||
JP2002251745A (ja) | 情報記録媒体及び情報再生装置 | |
JPS63204526A (ja) | 光学的情報記録媒体 | |
JPS5940339A (ja) | 情報記録媒体 | |
US6899937B2 (en) | Optical disc | |
JPH01115597A (ja) | 光学情報記録媒体単位の集合シート部材及びその製造方法 | |
JP2002304734A (ja) | 情報記録媒体及び情報再生装置 | |
JPS5940341A (ja) | 情報記録媒体の製造方法 | |
JPS605437A (ja) | 光学記録媒体 | |
JP2514245B2 (ja) | 光情報記録媒体 |