Patent · US Active

Feature patterning methods and structures thereof

US8698206B2 · kind B2 · utility

1Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 2011
Grant dateApr 15, 2014
Priority date
Expiry dateJun 28, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Methods of patterning features, methods of manufacturing semiconductor devices, and semiconductor devices are disclosed. In one embodiment, a method of patterning a feature includes forming a first portion of the feature in a first material layer. A second portion of the feature is formed in the first material layer, and a third portion of the feature is formed in a second material layer.

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