JPS6322659U - - Google Patents
Info
- Publication number
- JPS6322659U JPS6322659U JP1986113992U JP11399286U JPS6322659U JP S6322659 U JPS6322659 U JP S6322659U JP 1986113992 U JP1986113992 U JP 1986113992U JP 11399286 U JP11399286 U JP 11399286U JP S6322659 U JPS6322659 U JP S6322659U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- information recording
- recording layer
- radial direction
- magnetic material
- 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
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986113992U JPS6322659U (hu) | 1986-07-22 | 1986-07-22 | |
| KR1019880700296A KR910008504B1 (ko) | 1986-07-22 | 1987-05-28 | 광디스크 |
| US07/168,125 US4877667A (en) | 1986-07-22 | 1987-05-28 | Optical disc with inhibited thermal distortion |
| EP87903433A EP0277235B1 (en) | 1986-07-22 | 1987-05-28 | Optical disc |
| DE8787903433T DE3783353D1 (de) | 1986-07-22 | 1987-05-28 | Optische speicherplatte. |
| PCT/JP1987/000343 WO1988000755A1 (en) | 1986-07-22 | 1987-05-28 | Optical disc |
| CN87105175A CN1007187B (zh) | 1986-07-22 | 1987-07-21 | 光盘 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986113992U JPS6322659U (hu) | 1986-07-22 | 1986-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6322659U true JPS6322659U (hu) | 1988-02-15 |
Family
ID=30996315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986113992U Pending JPS6322659U (hu) | 1986-07-22 | 1986-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6322659U (hu) |
-
1986
- 1986-07-22 JP JP1986113992U patent/JPS6322659U/ja active Pending