Patent · US Expired

Power semiconductor device including insulated source electrodes inside trenches

US7465986B2 · kind B2 · utility

13Cited by
16References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 25, 2005
Grant dateDec 16, 2008
Priority date
Expiry dateApr 1, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D64/516

Abstract

A power semiconductor device includes a plurality of trenches formed within a semiconductor body, each trench including one or more electrodes formed therein. In particular, according to embodiments of the invention, the plurality of trenches of a semiconductor device may include one or more gate electrodes, may include one or more gate electrodes or one or more source electrodes, or may include a combination of both gate and source electrodes formed therein. The trenches and electrodes may have varying depths within the semiconductor body.

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