Semiconductor device
US4764931A · kind A · utility
17Cited by
1References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 1986 |
| Grant date | Aug 16, 1988 |
| Priority date | — |
| Expiry date | Mar 20, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/0683
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A semiconductor laser device having a first photodetector constructed on one major surface of a semiconductor substrate, a semiconductor laser chip mounted on the major surface adjacent to the first photodetector, and a second photodetector constructed on the major surface adjacent to the first photodetector at the side thereof opposite to the semiconductor laser chip, said second photodetector being positioned during manufacture to detect emissions from the laser chip of an adjacent fixedly positioned laser device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.