JPS6218830U - - Google Patents
Info
- Publication number
- JPS6218830U JPS6218830U JP1985108263U JP10826385U JPS6218830U JP S6218830 U JPS6218830 U JP S6218830U JP 1985108263 U JP1985108263 U JP 1985108263U JP 10826385 U JP10826385 U JP 10826385U JP S6218830 U JPS6218830 U JP S6218830U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- substrate
- optical recording
- recording layer
- substrates
- 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 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985108263U JPS6218830U (un) | 1985-07-16 | 1985-07-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985108263U JPS6218830U (un) | 1985-07-16 | 1985-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6218830U true JPS6218830U (un) | 1987-02-04 |
Family
ID=30985294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985108263U Pending JPS6218830U (un) | 1985-07-16 | 1985-07-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6218830U (un) |
-
1985
- 1985-07-16 JP JP1985108263U patent/JPS6218830U/ja active Pending