Patent · US Expired

Antihalation compositions

US6165697A · kind A · utility

34Cited by
25References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 1991
Grant dateDec 26, 2000
Priority date
Expiry dateNov 15, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/38
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Antihalation compositions and methods for reducing the reflection of exposure radiation of a photoresist overcoated said compositions. The antihalation compositions of the invention comprise a resin binder and material capable of causing a thermally induced crosslinking reaction of the resin binder.

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