Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01S
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
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H01S5/30
Structure or shape of the active region; Materials used for the active region
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H01S5/32
comprising PN junctions, e.g. hetero- or double- heterostructures
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H01S5/323
in AIIIBV compounds, e.g. AlGaAs-laser,; InP-based laser
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H01S5/32308
emitting light at a wavelength less than 900 nm
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H01S5/32325
red laser based on InGaP
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