Patent · US Expired

Mid and deep-UV antireflection coatings and methods for use thereof

US5380621A · kind A · utility

37Cited by
13References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 1993
Grant dateJan 10, 1995
Priority date
Expiry dateMay 3, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S522/904
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An antireflective coating composition (ARC) for use with chemically amplified photoresist compositions comprising a polymer composition which is highly absorbent to mid and deep UV radiation, which is substantially inert to contact reactions with a chemically amplified photoresist composition, and which is insoluble in the developer for the chemically amplified photoresist composition.

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