Class 257/E33.031 - Including ternary or quaternary compound (e.g., AlGaAs) (EPO)

Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E33.023. This subclass
No. of patents: 1
Last issue date: 05/20/2008

Number	Title	Issue Date
7374959	Two-wavelength semiconductor laser device and method of manufacturing the same A two-wavelength semiconductor laser device includes a first conductive material substrate having thereon first and second regions separated from each other. A first semiconductor laser diode is formed on the first region. A non-active layer is formed on the second ...	05/20/2008

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