JP2544207Y2 - 集積型光ピックアップ - Google Patents
集積型光ピックアップInfo
- Publication number
- JP2544207Y2 JP2544207Y2 JP1988064815U JP6481588U JP2544207Y2 JP 2544207 Y2 JP2544207 Y2 JP 2544207Y2 JP 1988064815 U JP1988064815 U JP 1988064815U JP 6481588 U JP6481588 U JP 6481588U JP 2544207 Y2 JP2544207 Y2 JP 2544207Y2
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- substrate
- light
- waveguide layer
- laser device
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 title claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 57
- 239000000758 substrate Substances 0.000 claims description 27
- 238000010168 coupling process Methods 0.000 description 13
- 230000008878 coupling Effects 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000005530 etching Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988064815U JP2544207Y2 (ja) | 1988-05-17 | 1988-05-17 | 集積型光ピックアップ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988064815U JP2544207Y2 (ja) | 1988-05-17 | 1988-05-17 | 集積型光ピックアップ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01170332U JPH01170332U (cs) | 1989-12-01 |
| JP2544207Y2 true JP2544207Y2 (ja) | 1997-08-13 |
Family
ID=31290274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988064815U Expired - Lifetime JP2544207Y2 (ja) | 1988-05-17 | 1988-05-17 | 集積型光ピックアップ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2544207Y2 (cs) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6254203A (ja) * | 1985-09-02 | 1987-03-09 | Mitsubishi Electric Corp | 光学式ヘツド装置 |
| JPS62293527A (ja) * | 1986-06-12 | 1987-12-21 | Matsushita Electric Ind Co Ltd | 光ピツクアツプ |
-
1988
- 1988-05-17 JP JP1988064815U patent/JP2544207Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01170332U (cs) | 1989-12-01 |
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