Patent · US Expired

Waterborne photoresists having polysiloxanes

US5387494A · kind A · utility

8Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 1994
Grant dateFeb 7, 1995
Priority date
Expiry dateMar 30, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/111
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A waterborne photoimageable composition or photoresist comprises a latex binder polymer having sufficient carboxylic acid functionality to render it developable in alkaline aqueous solution, a photopolymerizeable monomer fraction, a photoinitiator chemical system and a poly(siloxane(s)).

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