Patent · US Expired

Method of varying template dimensions to achieve alignment during imprint lithography

US6916585B2 · kind B2 · utility

69Cited by
129References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 27, 2003
Grant dateJul 12, 2005
Priority date
Expiry dateMay 27, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24802
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A method of determining and correcting alignment during imprint lithography process is described. During an imprint lithographic process the template may be aligned with the substrate by the use of alignment marks disposed on both the template and substrate. The alignment may be determined and corrected for before the layer is processed.

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