JPH0193624U - - Google Patents
Info
- Publication number
- JPH0193624U JPH0193624U JP1987188300U JP18830087U JPH0193624U JP H0193624 U JPH0193624 U JP H0193624U JP 1987188300 U JP1987188300 U JP 1987188300U JP 18830087 U JP18830087 U JP 18830087U JP H0193624 U JPH0193624 U JP H0193624U
- Authority
- JP
- Japan
- Prior art keywords
- air gap
- air
- optical recording
- recording medium
- ventilation passage
- 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
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987188300U JPH0193624U (cs) | 1987-12-11 | 1987-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987188300U JPH0193624U (cs) | 1987-12-11 | 1987-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0193624U true JPH0193624U (cs) | 1989-06-20 |
Family
ID=31479401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987188300U Pending JPH0193624U (cs) | 1987-12-11 | 1987-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0193624U (cs) |
-
1987
- 1987-12-11 JP JP1987188300U patent/JPH0193624U/ja active Pending