IPC Subgroup
H01S 5/3 Structure or shape of the active region; Materials used for the active region
Introduced: January 2000
Last revised: January 2006
Full Title
Semiconductor lasers > Structure or shape of the active region; Materials used for the active region
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01S 5/32 comprising PN junctions, e.g. hetero- or double- hetero-structures
- H01S 5/34 comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S 5/36 comprising organic materials