JPS63146314U - - Google Patents
Info
- Publication number
- JPS63146314U JPS63146314U JP1987038197U JP3819787U JPS63146314U JP S63146314 U JPS63146314 U JP S63146314U JP 1987038197 U JP1987038197 U JP 1987038197U JP 3819787 U JP3819787 U JP 3819787U JP S63146314 U JPS63146314 U JP S63146314U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- pair
- disk substrates
- optical information
- information recording
- 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 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987038197U JPS63146314U (bs) | 1987-03-16 | 1987-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987038197U JPS63146314U (bs) | 1987-03-16 | 1987-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63146314U true JPS63146314U (bs) | 1988-09-27 |
Family
ID=30850218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987038197U Pending JPS63146314U (bs) | 1987-03-16 | 1987-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63146314U (bs) |
-
1987
- 1987-03-16 JP JP1987038197U patent/JPS63146314U/ja active Pending