JPH0416624U - - Google Patents
Info
- Publication number
- JPH0416624U JPH0416624U JP1990057791U JP5779190U JPH0416624U JP H0416624 U JPH0416624 U JP H0416624U JP 1990057791 U JP1990057791 U JP 1990057791U JP 5779190 U JP5779190 U JP 5779190U JP H0416624 U JPH0416624 U JP H0416624U
- Authority
- JP
- Japan
- Prior art keywords
- hub member
- spacer
- information recording
- inner circumferential
- optical information
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 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 |
---|---|---|---|
JP1990057791U JPH0416624U (en]) | 1990-05-31 | 1990-05-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990057791U JPH0416624U (en]) | 1990-05-31 | 1990-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0416624U true JPH0416624U (en]) | 1992-02-12 |
Family
ID=31582822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990057791U Pending JPH0416624U (en]) | 1990-05-31 | 1990-05-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0416624U (en]) |
-
1990
- 1990-05-31 JP JP1990057791U patent/JPH0416624U/ja active Pending