JPH01138219U - - Google Patents
Info
- Publication number
- JPH01138219U JPH01138219U JP1988030281U JP3028188U JPH01138219U JP H01138219 U JPH01138219 U JP H01138219U JP 1988030281 U JP1988030281 U JP 1988030281U JP 3028188 U JP3028188 U JP 3028188U JP H01138219 U JPH01138219 U JP H01138219U
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- type information
- ring body
- outer peripheries
- sandwich type
- 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 4
- 239000000758 substrate Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988030281U JPH01138219U (enExample) | 1988-03-09 | 1988-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988030281U JPH01138219U (enExample) | 1988-03-09 | 1988-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01138219U true JPH01138219U (enExample) | 1989-09-21 |
Family
ID=31255212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988030281U Pending JPH01138219U (enExample) | 1988-03-09 | 1988-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01138219U (enExample) |
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1988
- 1988-03-09 JP JP1988030281U patent/JPH01138219U/ja active Pending