Patent · US Expired

Resist compositions for plating

US6010823A · kind A · utility

4Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1997
Grant dateJan 4, 2000
Priority date
Expiry dateMar 10, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K3/184
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A resist composition for plating comprises a partial-acrylated, uncured novolac type epoxy resin as a photosensitive resin ingredient and an imidazole curing agent as a curing agent, wherein the imidazole curing agent is liquid at 25.degree. C. or the composition contains an acrylic ester polymer having a molecular weight of 500-5000. By using such a resist composition can be provided a printed wiring board having excellent conduction reliability and heat cycle property.

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