Patent · US Expired

Semiconductor device and process for the same

US6515349B2 · kind B2 · utility

21Cited by
5References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 7, 2001
Grant dateFeb 4, 2003
Priority date
Expiry dateMar 7, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D64/252
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

The main purpose is to provide a semiconductor device which has a field plate wherein the electric field concentration at a step part can be eliminated and a higher withstanding voltage can be gained.A field plate is provided on a substrate. The field plate has a step part which bends toward the downward direction from the surface of the substrate.

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