JPH0430651Y2 - - Google Patents
Info
- Publication number
- JPH0430651Y2 JPH0430651Y2 JP1986016121U JP1612186U JPH0430651Y2 JP H0430651 Y2 JPH0430651 Y2 JP H0430651Y2 JP 1986016121 U JP1986016121 U JP 1986016121U JP 1612186 U JP1612186 U JP 1612186U JP H0430651 Y2 JPH0430651 Y2 JP H0430651Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- disk
- signal
- shielding layer
- peripheral edge
- 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.)
- Expired
Links
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986016121U JPH0430651Y2 (en]) | 1986-02-06 | 1986-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986016121U JPH0430651Y2 (en]) | 1986-02-06 | 1986-02-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62129128U JPS62129128U (en]) | 1987-08-15 |
| JPH0430651Y2 true JPH0430651Y2 (en]) | 1992-07-23 |
Family
ID=30807690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986016121U Expired JPH0430651Y2 (en]) | 1986-02-06 | 1986-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0430651Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11185300A (ja) * | 1997-12-19 | 1999-07-09 | Ichiro Yokota | 光記録媒体及びその製造方法並びに該媒体の記録信号再生装置 |
-
1986
- 1986-02-06 JP JP1986016121U patent/JPH0430651Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62129128U (en]) | 1987-08-15 |
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