Patent · US Expired

Electroconductive paste

US5840432A · kind A · utility

22Cited by
12References
37Claims
0Family size

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Key dates

Filing dateFeb 8, 1996
Grant dateNov 24, 1998
Priority date
Expiry dateFeb 8, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24926
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Electroconductive composite metal powders comprising flat non-noble metal powders, each covered with a noble metal in an amount of 2 to 30% by weight in average based on the weight of the non-noble metal powders, on 50% or more in average of the whole surface area of the non-noble metal powders, interposing a layer of a mixture of the non-noble metal and noble metal between each non-noble metal powder and a noble metal covering layer, are suitable for providing an electroconductive paste after mixing with a binder, said paste showing excellent electroconductivity and prevention of migration.

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