| 摘要 |
A composite material substrate having patterned structure includes a substrate, a first dielectric layer, a second dielectric layer, and a nitride semiconductor material. Herein, the first dielectric layer is stacked on the substrate, the second dielectric layer is stacked on the first dielectric layer, and the nitride semiconductor material is stacked on the second dielectric layer and is characterized by a plurality of patterns thereon.
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