H01L2224/81799

LEAD-FREE SOLDER ALLOY COMPOSITION, SOLDER BALL INCLUDING THE SAME, SOLDER PASTE INCLUDING THE LEAD-FREE SOLDER ALLOY COMPOSITION, SEMICONDUCTOR DEVICE INCLUDING HYBRID BONDING STRUCTURE INCLUDING THE LEAD-FREE SOLDER ALLOY COMPOSITION, AND METHOD OF MANUFACTURING SOLDER PASTE INCLUDING THE LEAD-FREE SOLDER ALLOY COMPOSITION

A lead-free solder alloy composition includes a lead-free solder alloy; and a flower-shaped metal nano-particle including a metal core and protrusion portions extending from a surface of the metal core, wherein the metal core and the protrusion portions of the metal nano-particle include only one metal element.