Patent · US Active

Electrostatic discharge device

US11380673B2 · kind B2 · utility

0Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 2020
Grant dateJul 5, 2022
Priority date
Expiry dateNov 30, 2040

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D89/921
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An Electro-Static Discharge (ESD) includes a first well having a first conductivity type on a substrate. The device further includes a second well within the first well. The second well has a second conductivity type. The device further includes a third well within the first well. The third well has the second conductivity type. The device further includes a first gate device disposed over the first well, a plurality of active regions between the first gate device and the dummy gate, and a dummy gate disposed within a space between the active regions. The dummy gate is positioned over a space between the second and third wells.

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