Patent · US Active

Lithographic process and apparatus and inspection process and apparatus

US11199782B2 · kind B2 · utility

0Cited by
0References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 2017
Grant dateDec 14, 2021
Priority date
Expiry dateSep 6, 2038

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F9/7026
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A lithographic apparatus and associated method of controlling a lithographic process. The lithographic apparatus has a controller configured to define a control grid associated with positioning of a substrate within the lithographic apparatus. The control grid is based on a device layout, associated with a patterning device, defining a device pattern which is to be, and/or has been, applied to the substrate in a lithographic process.

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