JPH0289679U - - Google Patents
Info
- Publication number
- JPH0289679U JPH0289679U JP1988167950U JP16795088U JPH0289679U JP H0289679 U JPH0289679 U JP H0289679U JP 1988167950 U JP1988167950 U JP 1988167950U JP 16795088 U JP16795088 U JP 16795088U JP H0289679 U JPH0289679 U JP H0289679U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- hole
- hub
- center
- shape
- 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 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988167950U JPH0289679U (th) | 1988-12-26 | 1988-12-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988167950U JPH0289679U (th) | 1988-12-26 | 1988-12-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0289679U true JPH0289679U (th) | 1990-07-16 |
Family
ID=31456704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988167950U Pending JPH0289679U (th) | 1988-12-26 | 1988-12-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0289679U (th) |
-
1988
- 1988-12-26 JP JP1988167950U patent/JPH0289679U/ja active Pending
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