Patent · US Active

High voltage semiconductor device including buried oxide layer

US12040396B2 · kind B2 · utility

0Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 2023
Grant dateJul 16, 2024
Priority date
Expiry dateMar 2, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D84/013
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor structure includes a substrate, a buried oxide layer formed in the substrate and near a surface of the substrate, a gate dielectric layer formed on the substrate and covering the buried oxide layer, a gate structure formed on the gate dielectric layer and overlapping the buried oxide layer, and a source region and a drain region formed in the substrate and at two sides of the gate structure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.