JPS61130031U - - Google Patents
Info
- Publication number
- JPS61130031U JPS61130031U JP1985012932U JP1293285U JPS61130031U JP S61130031 U JPS61130031 U JP S61130031U JP 1985012932 U JP1985012932 U JP 1985012932U JP 1293285 U JP1293285 U JP 1293285U JP S61130031 U JPS61130031 U JP S61130031U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- optical recording
- circular
- substrates
- circular substrate
- 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
Links
- 239000000758 substrate Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985012932U JPS61130031U (en]) | 1985-01-31 | 1985-01-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985012932U JPS61130031U (en]) | 1985-01-31 | 1985-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61130031U true JPS61130031U (en]) | 1986-08-14 |
Family
ID=30496466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985012932U Pending JPS61130031U (en]) | 1985-01-31 | 1985-01-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61130031U (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63109332U (en]) * | 1986-12-27 | 1988-07-14 |
-
1985
- 1985-01-31 JP JP1985012932U patent/JPS61130031U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63109332U (en]) * | 1986-12-27 | 1988-07-14 |