High-voltage devices integrated on semiconductor-on-insulator substrate
US11552192B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 17, 2020 |
| Grant date | Jan 10, 2023 |
| Priority date | — |
| Expiry date | Oct 29, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D62/393
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
The present disclosure generally to semiconductor devices, and more particularly to semiconductor devices having high-voltage transistors integrated on a semiconductor-on-insulator substrate and methods of forming the same. The present disclosure provides a semiconductor device including a bulk substrate, a semiconductor layer above the bulk substrate, an insulating layer between the semiconductor layer and the bulk substrate, a source region and a drain region on the bulk substrate, a gate dielectric between the source region and the drain region, the gate dielectric having a first portion on the bulk substrate and a second portion on the semiconductor layer, and a gate electrode above the gate dielectric.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.