JPS63129270U - - Google Patents
Info
- Publication number
- JPS63129270U JPS63129270U JP1987017444U JP1744487U JPS63129270U JP S63129270 U JPS63129270 U JP S63129270U JP 1987017444 U JP1987017444 U JP 1987017444U JP 1744487 U JP1744487 U JP 1744487U JP S63129270 U JPS63129270 U JP S63129270U
- Authority
- JP
- Japan
- Prior art keywords
- hub
- optical disk
- center
- annular
- substrate
- 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 8
- 239000000758 substrate Substances 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987017444U JPS63129270U (sr) | 1987-02-09 | 1987-02-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987017444U JPS63129270U (sr) | 1987-02-09 | 1987-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63129270U true JPS63129270U (sr) | 1988-08-24 |
Family
ID=30810214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987017444U Pending JPS63129270U (sr) | 1987-02-09 | 1987-02-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63129270U (sr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5849379B2 (ja) * | 1976-01-19 | 1983-11-04 | 松下電器産業株式会社 | 有機高分子化合物の熱分解法 |
JPS61204842A (ja) * | 1985-03-07 | 1986-09-10 | Hitachi Maxell Ltd | デイスク状記録媒体 |
JPS627679B2 (sr) * | 1984-01-31 | 1987-02-18 | Sanyo Electric Co | |
JPS63152072A (ja) * | 1986-12-15 | 1988-06-24 | Fuji Photo Film Co Ltd | 情報記録媒体 |
JPS63153776A (ja) * | 1986-12-17 | 1988-06-27 | Sony Corp | 情報デイスク |
-
1987
- 1987-02-09 JP JP1987017444U patent/JPS63129270U/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5849379B2 (ja) * | 1976-01-19 | 1983-11-04 | 松下電器産業株式会社 | 有機高分子化合物の熱分解法 |
JPS627679B2 (sr) * | 1984-01-31 | 1987-02-18 | Sanyo Electric Co | |
JPS61204842A (ja) * | 1985-03-07 | 1986-09-10 | Hitachi Maxell Ltd | デイスク状記録媒体 |
JPS63152072A (ja) * | 1986-12-15 | 1988-06-24 | Fuji Photo Film Co Ltd | 情報記録媒体 |
JPS63153776A (ja) * | 1986-12-17 | 1988-06-27 | Sony Corp | 情報デイスク |