JPH02105227U - - Google Patents
Info
- Publication number
- JPH02105227U JPH02105227U JP1989011120U JP1112089U JPH02105227U JP H02105227 U JPH02105227 U JP H02105227U JP 1989011120 U JP1989011120 U JP 1989011120U JP 1112089 U JP1112089 U JP 1112089U JP H02105227 U JPH02105227 U JP H02105227U
- Authority
- JP
- Japan
- Prior art keywords
- flexible optical
- optical disk
- ring
- shaped protrusion
- protrusion structure
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989011120U JPH02105227U (en]) | 1989-01-31 | 1989-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989011120U JPH02105227U (en]) | 1989-01-31 | 1989-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02105227U true JPH02105227U (en]) | 1990-08-21 |
Family
ID=31219388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989011120U Pending JPH02105227U (en]) | 1989-01-31 | 1989-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02105227U (en]) |
-
1989
- 1989-01-31 JP JP1989011120U patent/JPH02105227U/ja active Pending