JPS63135523U - - Google Patents
Info
- Publication number
- JPS63135523U JPS63135523U JP2674787U JP2674787U JPS63135523U JP S63135523 U JPS63135523 U JP S63135523U JP 2674787 U JP2674787 U JP 2674787U JP 2674787 U JP2674787 U JP 2674787U JP S63135523 U JPS63135523 U JP S63135523U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- beams
- information recording
- track
- objective lens
- 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 9
- 230000004075 alteration Effects 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2674787U JPS63135523U (2) | 1987-02-24 | 1987-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2674787U JPS63135523U (2) | 1987-02-24 | 1987-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63135523U true JPS63135523U (2) | 1988-09-06 |
Family
ID=30828118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2674787U Pending JPS63135523U (2) | 1987-02-24 | 1987-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63135523U (2) |
-
1987
- 1987-02-24 JP JP2674787U patent/JPS63135523U/ja active Pending
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