Patent · US Expired

Photoresist composition

US6818375B2 · kind B2 · utility

1Cited by
17References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 2001
Grant dateNov 16, 2004
Priority date
Expiry dateMar 10, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/126
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed are photoimageable compositions having improved stripping properties including a photoresist strip enhancer. Also disclosed are methods of enhancing the strippability of photoimageable compositions and methods for manufacturing printed wiring boards using such photoimageable compositions.

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