Patent · US Active

Method and system for improvement of dose correction for particle beam writers

US7824828B2 · kind B2 · utility

25Cited by
15References
47Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 2007
Grant dateNov 2, 2010
Priority date
Expiry dateApr 20, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/143
  • WIPO fieldMicro-structural and nano-technology
  • WIPO sectorChemistry

Abstract

A method and system for dose correction of a particle beam writer is disclosed. The method and system includes reading a file of writing objects that includes dose intensity, calculating a rate of dose intensity change between adjacent writing objects, selecting a writing object that may need accuracy improvement of dose correction based on the rate of dose intensity change, and improving accuracy of the dose correction of the writing object that is selected and its adjacent objects.

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