Patent · US Expired

Antihalation compositions

US6451503B1 · kind B1 · utility

27Cited by
9References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 30, 1996
Grant dateSep 17, 2002
Priority date
Expiry dateApr 30, 2016

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.