Patent · US Active

Stress-inducing structures, methods, and materials

US8907444B2 · kind B2 · utility

1Cited by
8References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 2013
Grant dateDec 9, 2014
Priority date
Expiry dateJan 25, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D62/81
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Stress-inducing structures, methods, and materials are disclosed. In one embodiment, an isolation region includes an insulating material in a lower portion of a trench formed in a workpiece and a stress-inducing material disposed in a top portion of the trench over the insulating material.

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