JPS6280216U - - Google Patents
Info
- Publication number
- JPS6280216U JPS6280216U JP1985169869U JP16986985U JPS6280216U JP S6280216 U JPS6280216 U JP S6280216U JP 1985169869 U JP1985169869 U JP 1985169869U JP 16986985 U JP16986985 U JP 16986985U JP S6280216 U JPS6280216 U JP S6280216U
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- center
- substrate
- recording medium
- hole
- 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
- 239000000758 substrate Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims 2
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985169869U JPS6280216U (nl) | 1985-11-06 | 1985-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985169869U JPS6280216U (nl) | 1985-11-06 | 1985-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6280216U true JPS6280216U (nl) | 1987-05-22 |
Family
ID=31104068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985169869U Pending JPS6280216U (nl) | 1985-11-06 | 1985-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6280216U (nl) |
-
1985
- 1985-11-06 JP JP1985169869U patent/JPS6280216U/ja active Pending