JPH0289678U - - Google Patents
Info
- Publication number
- JPH0289678U JPH0289678U JP1988167590U JP16759088U JPH0289678U JP H0289678 U JPH0289678 U JP H0289678U JP 1988167590 U JP1988167590 U JP 1988167590U JP 16759088 U JP16759088 U JP 16759088U JP H0289678 U JPH0289678 U JP H0289678U
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- recording disk
- optical information
- hub
- optical
- 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 21
- 230000005291 magnetic effect Effects 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000005452 bending Methods 0.000 claims 1
- 230000005294 ferromagnetic effect Effects 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988167590U JPH0289678U (en, 2012) | 1988-12-27 | 1988-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988167590U JPH0289678U (en, 2012) | 1988-12-27 | 1988-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0289678U true JPH0289678U (en, 2012) | 1990-07-16 |
Family
ID=31456021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988167590U Pending JPH0289678U (en, 2012) | 1988-12-27 | 1988-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0289678U (en, 2012) |
-
1988
- 1988-12-27 JP JP1988167590U patent/JPH0289678U/ja active Pending