Patent · US Expired

Method of proximity correction with relative segmentation

US6174630A · kind A · utility

8Cited by
10References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 1998
Grant dateJan 16, 2001
Priority date
Expiry dateMar 3, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F1/36
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention is a method and apparatus for applying one-dimensional proximity correction to a piece of a mask pattern, by segmenting a first piece of a mask pattern with horizontal dividing lines into a plurality of segments, segmenting a second piece of said mask pattern with said horizontal dividing lines into a second plurality of segments, and applying proximity correction to a first segment from said first plurality of segments taking into consideration a second segment from said second plurality of segments.

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