Back to results
US 11,697,155 B2Granted
Metal paste and use thereof for joining components
AssigneeHeraeus Deutschland GmbH & Co. KG
InventorsChristian Schwarzer, Wolfgang Schmitt
Life of this patent
Estimating the term…
Abstract
A metal paste, comprising (A) 65 to 85 wt % of metal particles and (B) 10 to 35 wt % of organic solvent, wherein the metal particles (A) consist 70 to 100 wt % of organically coated copper flakes having a specific surface area in the range of 1.9 to 3.7 m2/g, a total oxygen content in the range of 2 to 4 wt % and a weight ratio of total carbon to total oxygen in the range of 0.25 to 0.9.
Claims20
A metal paste, comprising (A) 65 to 85 wt % of metal particles and (B) 10 to 35 wt % of organic solvent, wherein the metal particles (A) consist of 70 to 100 wt % of organically coated copper flakes having
- a specific surface area in the range of 1.9 to 3.7 m2/g,
- a total oxygen content in the range of 2 to 4 wt %, and
- a weight ratio of total carbon to total oxygen in the range of 0.25 to 0.9.
Dependencies are inferred from the claim text.