JPS6418427U - - Google Patents
Info
- Publication number
- JPS6418427U JPS6418427U JP11187487U JP11187487U JPS6418427U JP S6418427 U JPS6418427 U JP S6418427U JP 11187487 U JP11187487 U JP 11187487U JP 11187487 U JP11187487 U JP 11187487U JP S6418427 U JPS6418427 U JP S6418427U
- Authority
- JP
- Japan
- Prior art keywords
- diffraction grating
- optical component
- half mirror
- transparent substrate
- optical head
- 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 13
- 239000000758 substrate Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11187487U JPS6418427U (enExample) | 1987-07-23 | 1987-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11187487U JPS6418427U (enExample) | 1987-07-23 | 1987-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6418427U true JPS6418427U (enExample) | 1989-01-30 |
Family
ID=31350312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11187487U Pending JPS6418427U (enExample) | 1987-07-23 | 1987-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6418427U (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62145546A (ja) * | 1985-12-20 | 1987-06-29 | Asahi Optical Co Ltd | 光デイスク情報再生装置 |
| JPS6358629A (ja) * | 1986-08-29 | 1988-03-14 | Hitachi Ltd | 光学式再生装置 |
-
1987
- 1987-07-23 JP JP11187487U patent/JPS6418427U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62145546A (ja) * | 1985-12-20 | 1987-06-29 | Asahi Optical Co Ltd | 光デイスク情報再生装置 |
| JPS6358629A (ja) * | 1986-08-29 | 1988-03-14 | Hitachi Ltd | 光学式再生装置 |