JP2520595Y2 - 光ディスク - Google Patents
光ディスクInfo
- Publication number
- JP2520595Y2 JP2520595Y2 JP1990042368U JP4236890U JP2520595Y2 JP 2520595 Y2 JP2520595 Y2 JP 2520595Y2 JP 1990042368 U JP1990042368 U JP 1990042368U JP 4236890 U JP4236890 U JP 4236890U JP 2520595 Y2 JP2520595 Y2 JP 2520595Y2
- Authority
- JP
- Japan
- Prior art keywords
- center hole
- disc
- disk
- metal plate
- spindle shaft
- 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.)
- Expired - Fee Related
Links
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990042368U JP2520595Y2 (ja) | 1990-04-20 | 1990-04-20 | 光ディスク |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990042368U JP2520595Y2 (ja) | 1990-04-20 | 1990-04-20 | 光ディスク |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH042374U JPH042374U (US07922777-20110412-C00004.png) | 1992-01-09 |
JP2520595Y2 true JP2520595Y2 (ja) | 1996-12-18 |
Family
ID=31553855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990042368U Expired - Fee Related JP2520595Y2 (ja) | 1990-04-20 | 1990-04-20 | 光ディスク |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2520595Y2 (US07922777-20110412-C00004.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993003482A1 (en) * | 1991-08-02 | 1993-02-18 | Mitsui Petrochemical Industries, Ltd. | Hub for optical recording medium and optical recording medium |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61200310A (ja) * | 1985-03-01 | 1986-09-04 | Fuji Electric Co Ltd | 蒸気タ−ビンのフランジおよび締付ボルトの温度加減方法 |
-
1990
- 1990-04-20 JP JP1990042368U patent/JP2520595Y2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH042374U (US07922777-20110412-C00004.png) | 1992-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |