Patent · US Expired

Silver-glass paste with poly-modal flake size distribution and quick dry vehicle

US4761224A · kind A · utility

26Cited by
5References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 8, 1987
Grant dateAug 2, 1988
Priority date
Expiry dateJan 8, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C8/18
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A silver glass paste consists of 60-75% silver flake having a tap density greater than 2.8 gm/cc and less than 5.0 gm/cc. The silver flake has a poly-modal flake size distribution. The paste further consists of 12-20% glass frit, 0.5-2% of a suitable organic resin and 8-20% of a suitable organic solvent. The resin may be acrylic and the organic solvent may be an ester alcohol or an ester alcohol mixed with a glycol ether or glycol ether ester.

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