JPH0268326U - - Google Patents
Info
- Publication number
- JPH0268326U JPH0268326U JP1988147638U JP14763888U JPH0268326U JP H0268326 U JPH0268326 U JP H0268326U JP 1988147638 U JP1988147638 U JP 1988147638U JP 14763888 U JP14763888 U JP 14763888U JP H0268326 U JPH0268326 U JP H0268326U
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- predetermined length
- protrusions
- protrusion
- optical disk
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 25
- 230000002950 deficient Effects 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 3
- 238000003466 welding Methods 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988147638U JPH0268326U (sh) | 1988-11-11 | 1988-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988147638U JPH0268326U (sh) | 1988-11-11 | 1988-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0268326U true JPH0268326U (sh) | 1990-05-23 |
Family
ID=31418228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988147638U Pending JPH0268326U (sh) | 1988-11-11 | 1988-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0268326U (sh) |
-
1988
- 1988-11-11 JP JP1988147638U patent/JPH0268326U/ja active Pending