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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H01S5/02
Structural details or components not essential to laser action
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H01S5/028
Coatings; ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
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H01S5/0281
Coatings made of semiconductor materials
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