JPS546790A - Semiconductor laser unit and its manufacture - Google Patents
Semiconductor laser unit and its manufactureInfo
- Publication number
- JPS546790A JPS546790A JP7247477A JP7247477A JPS546790A JP S546790 A JPS546790 A JP S546790A JP 7247477 A JP7247477 A JP 7247477A JP 7247477 A JP7247477 A JP 7247477A JP S546790 A JPS546790 A JP S546790A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- manufacture
- laser unit
- inhibiting
- layer
- 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
Landscapes
- Semiconductor Lasers (AREA)
Abstract
PURPOSE: To reduce the radiation angle of laser light, by providing the region having inhibiting width W4<W3 at the part where the edge of the resonator of the third layer of the three layer semiconductor laser having the inhibiting band width W1>W2<W3 is adjacent.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7247477A JPS546790A (en) | 1977-06-17 | 1977-06-17 | Semiconductor laser unit and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7247477A JPS546790A (en) | 1977-06-17 | 1977-06-17 | Semiconductor laser unit and its manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS546790A true JPS546790A (en) | 1979-01-19 |
Family
ID=13490340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7247477A Pending JPS546790A (en) | 1977-06-17 | 1977-06-17 | Semiconductor laser unit and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS546790A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56103348U (en) * | 1980-01-12 | 1981-08-13 | ||
JPS5727097A (en) * | 1980-07-25 | 1982-02-13 | Mitsubishi Electric Corp | Semiconductor laser device |
-
1977
- 1977-06-17 JP JP7247477A patent/JPS546790A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56103348U (en) * | 1980-01-12 | 1981-08-13 | ||
JPS5727097A (en) * | 1980-07-25 | 1982-02-13 | Mitsubishi Electric Corp | Semiconductor laser device |
JPS6155276B2 (en) * | 1980-07-25 | 1986-11-27 | Mitsubishi Electric Corp |
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