Importance

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Abstract

High-voltage semiconductor devices with electrostatic discharge (ESD) protection and methods of fabrication are provided. The semiconductor devices include a plurality of transistors on a substrate patterned with one or more common gates extending across a portion of the substrate, and a plurality of first S/D contacts and a plurality of second S/D contacts associated with the common gate(s). The second S/D contacts are disposed over a plurality of carrier-doped regions within the substrate. One or more floating nodes are disposed above the substrate and, at least in part, between second S/D contacts to facilitate defining the plurality of carrier-doped regions within the substrate. For instance, the carrier-doped regions may be defined from a mask with a common carrier-region opening, with the floating node(s) intersecting the common carrier-region opening and facilitating defining, along with the common opening, the plurality of separate carrier-doped regions.

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First Claim