JPS62198518U - - Google Patents
Info
- Publication number
- JPS62198518U JPS62198518U JP1986087391U JP8739186U JPS62198518U JP S62198518 U JPS62198518 U JP S62198518U JP 1986087391 U JP1986087391 U JP 1986087391U JP 8739186 U JP8739186 U JP 8739186U JP S62198518 U JPS62198518 U JP S62198518U
- Authority
- JP
- Japan
- Prior art keywords
- glass substrate
- hole
- center
- sectional
- optical disks
- 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 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986087391U JPS62198518U (enExample) | 1986-06-09 | 1986-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986087391U JPS62198518U (enExample) | 1986-06-09 | 1986-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62198518U true JPS62198518U (enExample) | 1987-12-17 |
Family
ID=30944556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986087391U Pending JPS62198518U (enExample) | 1986-06-09 | 1986-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62198518U (enExample) |
-
1986
- 1986-06-09 JP JP1986087391U patent/JPS62198518U/ja active Pending