JPH0292824U - - Google Patents
Info
- Publication number
- JPH0292824U JPH0292824U JP1989001885U JP188589U JPH0292824U JP H0292824 U JPH0292824 U JP H0292824U JP 1989001885 U JP1989001885 U JP 1989001885U JP 188589 U JP188589 U JP 188589U JP H0292824 U JPH0292824 U JP H0292824U
- Authority
- JP
- Japan
- Prior art keywords
- disk substrate
- pair
- optical recording
- recording medium
- center
- 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 6
- 239000000758 substrate Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000013013 elastic material Substances 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989001885U JPH0292824U (enExample) | 1989-01-10 | 1989-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989001885U JPH0292824U (enExample) | 1989-01-10 | 1989-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0292824U true JPH0292824U (enExample) | 1990-07-24 |
Family
ID=31202164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989001885U Pending JPH0292824U (enExample) | 1989-01-10 | 1989-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0292824U (enExample) |
-
1989
- 1989-01-10 JP JP1989001885U patent/JPH0292824U/ja active Pending