JPS62168121U - - Google Patents
Info
- Publication number
- JPS62168121U JPS62168121U JP5651586U JP5651586U JPS62168121U JP S62168121 U JPS62168121 U JP S62168121U JP 5651586 U JP5651586 U JP 5651586U JP 5651586 U JP5651586 U JP 5651586U JP S62168121 U JPS62168121 U JP S62168121U
- Authority
- JP
- Japan
- Prior art keywords
- glass
- optical
- center hole
- glass master
- 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
- 239000011521 glass Substances 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000015654 memory Effects 0.000 claims 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5651586U JPS62168121U (en:Method) | 1986-04-15 | 1986-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5651586U JPS62168121U (en:Method) | 1986-04-15 | 1986-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62168121U true JPS62168121U (en:Method) | 1987-10-24 |
Family
ID=30885388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5651586U Pending JPS62168121U (en:Method) | 1986-04-15 | 1986-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62168121U (en:Method) |
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1986
- 1986-04-15 JP JP5651586U patent/JPS62168121U/ja active Pending