JPH0349629U - - Google Patents
Info
- Publication number
- JPH0349629U JPH0349629U JP11139589U JP11139589U JPH0349629U JP H0349629 U JPH0349629 U JP H0349629U JP 11139589 U JP11139589 U JP 11139589U JP 11139589 U JP11139589 U JP 11139589U JP H0349629 U JPH0349629 U JP H0349629U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- cutting device
- deflection element
- objective lens
- 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 7
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11139589U JPH0349629U (ko) | 1989-09-21 | 1989-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11139589U JPH0349629U (ko) | 1989-09-21 | 1989-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0349629U true JPH0349629U (ko) | 1991-05-15 |
Family
ID=31659876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11139589U Pending JPH0349629U (ko) | 1989-09-21 | 1989-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0349629U (ko) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58102343A (ja) * | 1981-12-10 | 1983-06-17 | デイスコビジヨン・アソシエイツ | 情報トラツクの間隔を測定する方法と装置 |
| JPS6455750A (en) * | 1987-08-26 | 1989-03-02 | Sony Corp | Optical recording and reproducing device |
| JPS6457244A (en) * | 1987-08-28 | 1989-03-03 | Sony Corp | Light beam deflecting device |
| JPH01133237A (ja) * | 1987-04-08 | 1989-05-25 | Nippon Telegr & Teleph Corp <Ntt> | 光ディスク原版の製造方法およびその製造装置並びに光ディスク |
| JPH02263326A (ja) * | 1989-03-31 | 1990-10-26 | Toshiba Corp | 光メモリ原盤のサーボパターン記録方法および装置 |
-
1989
- 1989-09-21 JP JP11139589U patent/JPH0349629U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58102343A (ja) * | 1981-12-10 | 1983-06-17 | デイスコビジヨン・アソシエイツ | 情報トラツクの間隔を測定する方法と装置 |
| JPH01133237A (ja) * | 1987-04-08 | 1989-05-25 | Nippon Telegr & Teleph Corp <Ntt> | 光ディスク原版の製造方法およびその製造装置並びに光ディスク |
| JPS6455750A (en) * | 1987-08-26 | 1989-03-02 | Sony Corp | Optical recording and reproducing device |
| JPS6457244A (en) * | 1987-08-28 | 1989-03-03 | Sony Corp | Light beam deflecting device |
| JPH02263326A (ja) * | 1989-03-31 | 1990-10-26 | Toshiba Corp | 光メモリ原盤のサーボパターン記録方法および装置 |