Patent · US Active

Method of process optimization for dual tone development

US8257911B2 · kind B2 · utility

1Cited by
24References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 26, 2008
Grant dateSep 4, 2012
Priority date
Expiry dateMay 22, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/38
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method for patterning a substrate is described. In particular, the invention relates to a method for double patterning a substrate using dual tone development. Further, the invention relates to optimizing a dual tone development process.

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