JPH01159226U - - Google Patents
Info
- Publication number
- JPH01159226U JPH01159226U JP1988054106U JP5410688U JPH01159226U JP H01159226 U JPH01159226 U JP H01159226U JP 1988054106 U JP1988054106 U JP 1988054106U JP 5410688 U JP5410688 U JP 5410688U JP H01159226 U JPH01159226 U JP H01159226U
- Authority
- JP
- Japan
- Prior art keywords
- circumferential spacer
- inner circumferential
- spacer
- recording layer
- disk substrates
- 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 11
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 3
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988054106U JPH01159226U (lm) | 1988-04-21 | 1988-04-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988054106U JPH01159226U (lm) | 1988-04-21 | 1988-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01159226U true JPH01159226U (lm) | 1989-11-02 |
Family
ID=31280050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988054106U Pending JPH01159226U (lm) | 1988-04-21 | 1988-04-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01159226U (lm) |
-
1988
- 1988-04-21 JP JP1988054106U patent/JPH01159226U/ja active Pending