| http://www.w3.org/ns/prov#value | - For instance, There can be listed up by way of example a substrate made of different material such as sapphire, silicon, SiC, Langacite, Al, or GaAs and a substrate composed of a group III nitride semiconductor such as GaN, AlN, or AlGaN. When, for example, sapphire is used, there can be used the C plane, the A plane, the R plane thereof.
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