Birch, Stewart, Kolasch & Birch, LLP
Semiconductor devices and methods for forming the same
A semiconductor device includes a first composite III-V group compound semiconductor layer disposed on a composite substrate, and a second III-V group compound semiconductor layer disposed on the first composite III-V group compound semiconductor layer. The semiconductor device also includes a gate structure disposed on the second III-V group compound semiconductor layer, and a source electrode and a drain electrode disposed on the second III-V group compound semiconductor layer and at opposite sides of the gate structure. The semiconductor device further includes a field plate disposed between the gate structure and the drain electrode, and a conductive structure penetrating through the second III-V group compound semiconductor layer and the first composite III-V group compound semiconductor layer, wherein the field plate is electrically connected to the composite substrate through the conductive structure.
Vanguard International Semiconductor Corporation
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Cheng-Wei Yu-Chieh Hsin-Chih
Chou Chou Lin