Patent ID: 11888055
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An electrical component device, comprising:
a buffer layer disposed over a frontside surface of a substrate;
a first layer of gallium nitride disposed over the buffer layer;
a second layer of aluminum gallium nitride disposed over the first layer, wherein a layer of a two-dimensional electron gas (2DEG) is disposed at an interface between the first layer and the second layer;
a trench formed from a backside surface of the substrate through the substrate, through the buffer layer, through the first layer, and through the layer of 2DEG, wherein the trench creates a gap in the layer of 2DEG to produce a first 2DEG segment and a second 2DEG segment; and
an electrical component positioned over the second layer and over at least a portion of the gap between the first and the second 2DEG segments.