JPH042374U - - Google Patents
Info
- Publication number
- JPH042374U JPH042374U JP1990042368U JP4236890U JPH042374U JP H042374 U JPH042374 U JP H042374U JP 1990042368 U JP1990042368 U JP 1990042368U JP 4236890 U JP4236890 U JP 4236890U JP H042374 U JPH042374 U JP H042374U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- metal plate
- center hole
- center
- ring
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 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 |
---|---|---|---|
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 true JPH042374U (xx) | 1992-01-09 |
JP2520595Y2 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 (xx) |
Cited By (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 |
Citations (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
Patent Citations (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 |
Cited By (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 |
Also Published As
Publication number | Publication date |
---|---|
JP2520595Y2 (ja) | 1996-12-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |