JPS63195677U - - Google Patents
Info
- Publication number
- JPS63195677U JPS63195677U JP1987085819U JP8581987U JPS63195677U JP S63195677 U JPS63195677 U JP S63195677U JP 1987085819 U JP1987085819 U JP 1987085819U JP 8581987 U JP8581987 U JP 8581987U JP S63195677 U JPS63195677 U JP S63195677U
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- recording disk
- optical information
- hub
- utility
- 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
- 230000003287 optical effect Effects 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987085819U JPS63195677U (fr) | 1987-06-03 | 1987-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987085819U JPS63195677U (fr) | 1987-06-03 | 1987-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63195677U true JPS63195677U (fr) | 1988-12-16 |
Family
ID=30941567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987085819U Pending JPS63195677U (fr) | 1987-06-03 | 1987-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63195677U (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02236880A (ja) * | 1989-03-10 | 1990-09-19 | Hitachi Maxell Ltd | 光情報記録ディスク |
-
1987
- 1987-06-03 JP JP1987085819U patent/JPS63195677U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02236880A (ja) * | 1989-03-10 | 1990-09-19 | Hitachi Maxell Ltd | 光情報記録ディスク |
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