Patent · US Expired

Cadmium-free and lead-free thick film paste composition

US5491118A · kind A · utility

41Cited by
7References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 20, 1994
Grant dateFeb 13, 1996
Priority date
Expiry dateDec 20, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C3/062
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The invention is directed to a lead-free and cadmium-free thick film paste composition suitable for forming resistor or thermistor patterns on a substrate.

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