JPS6336923U - - Google Patents
Info
- Publication number
- JPS6336923U JPS6336923U JP13038386U JP13038386U JPS6336923U JP S6336923 U JPS6336923 U JP S6336923U JP 13038386 U JP13038386 U JP 13038386U JP 13038386 U JP13038386 U JP 13038386U JP S6336923 U JPS6336923 U JP S6336923U
- Authority
- JP
- Japan
- Prior art keywords
- laser light
- light source
- laser
- semiconductor substrate
- diffraction grating
- 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 4
- 239000004065 semiconductor Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案による光ピツクアツプの一実施
例を示す略線的縦断面図、第２図はその半導体基
板１の平面図、第３図〜第５図は光デイスク７の
遠近と受光部９〜１１上のスポツト形状との関係
の説明に供する略線図である。
１……半導体基板、２……レーザ光源、３……
回折格子、７……光デイスク、９〜１１……受光
部。
FIG. 1 is a schematic vertical cross-sectional view showing an embodiment of the optical pickup according to the present invention, FIG. 2 is a plan view of the semiconductor substrate 1, and FIGS. 3 to 5 show the perspective and light receiving portion of the optical disk 7. 9 is a schematic diagram for explaining the relationship with the spot shapes on points 9 to 11. FIG. 1... Semiconductor substrate, 2... Laser light source, 3...
Diffraction grating, 7... optical disk, 9-11... light receiving section.
Claims (1)
上に、上記レーザ光源から射出されたレーザ光を
偏光すると共に、複数のレーザ光に分離する回折
格子を設けたことを特徴とする光ピツクアツプ。 An optical pickup characterized in that a diffraction grating is provided on a semiconductor substrate provided with a laser light source and a light receiving section to polarize the laser light emitted from the laser light source and separate it into a plurality of laser lights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13038386U JPS6336923U (en) | 1986-08-26 | 1986-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13038386U JPS6336923U (en) | 1986-08-26 | 1986-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6336923U true JPS6336923U (en) | 1988-03-09 |
Family
ID=31027828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13038386U Pending JPS6336923U (en) | 1986-08-26 | 1986-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6336923U (en) |
-
1986
- 1986-08-26 JP JP13038386U patent/JPS6336923U/ja active Pending