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
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Optical Head (AREA)
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