Patent · US Active

SiGe device with SiGe-embedded dummy pattern for alleviating micro-loading effect

US7671469B2 · kind B2 · utility

13Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 31, 2007
Grant dateMar 2, 2010
Priority date
Expiry dateApr 26, 2028

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D84/038
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device with dummy patterns for alleviating micro-loading effect includes a semiconductor substrate having thereon a middle annular region between an inner region and an outer region; a SiGe device on the semiconductor substrate within the inner region; and a plurality of dummy patterns provided on the semiconductor substrate within the middle annular region. At least one of the dummy patterns contains SiGe.

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