JPS6424572U - - Google Patents
Info
- Publication number
- JPS6424572U JPS6424572U JP1987117919U JP11791987U JPS6424572U JP S6424572 U JPS6424572 U JP S6424572U JP 1987117919 U JP1987117919 U JP 1987117919U JP 11791987 U JP11791987 U JP 11791987U JP S6424572 U JPS6424572 U JP S6424572U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- ring
- shaped member
- optical disk
- metal plate
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 3
- 238000000465 moulding Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 230000008602 contraction Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987117919U JPH0531721Y2 (en]) | 1987-07-31 | 1987-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987117919U JPH0531721Y2 (en]) | 1987-07-31 | 1987-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6424572U true JPS6424572U (en]) | 1989-02-09 |
| JPH0531721Y2 JPH0531721Y2 (en]) | 1993-08-16 |
Family
ID=31361804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987117919U Expired - Lifetime JPH0531721Y2 (en]) | 1987-07-31 | 1987-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0531721Y2 (en]) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63136373A (ja) * | 1986-11-27 | 1988-06-08 | Hitachi Maxell Ltd | マグネチツククランプ用光情報記録デイスク |
| JPS63217582A (ja) * | 1987-03-05 | 1988-09-09 | Nippon Telegr & Teleph Corp <Ntt> | 光デイスク用ハブ |
-
1987
- 1987-07-31 JP JP1987117919U patent/JPH0531721Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63136373A (ja) * | 1986-11-27 | 1988-06-08 | Hitachi Maxell Ltd | マグネチツククランプ用光情報記録デイスク |
| JPS63217582A (ja) * | 1987-03-05 | 1988-09-09 | Nippon Telegr & Teleph Corp <Ntt> | 光デイスク用ハブ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0531721Y2 (en]) | 1993-08-16 |