Patent ID: 7821140

Claim:
A semiconductor device in which two bonding points out of three or more bonding points are connected with a wire, the semiconductor device comprising: a pressing portion that is formed by bonding an initial ball formed at a tip end of a wire that is inserted through a capillary and protrudes from a lower end of the capillary onto a first bonding point that is formed on a semiconductor die, crushing a ball neck formed by the bonding, and pressing a side surface of the wire folded back onto said crushed ball neck; a first wire that extends from said pressing portion to a second bonding point; and at least one second wire that is looped toward said pressing portion from at least one third bonding point and joined onto said pressing portion by the capillary at a position on a side facing to the corresponding third bonding point, said each third bonding point being provided at a position in a direction different from a direction of said second bonding point centering said first bonding point, wherein said pressing portion includes a projected portion at a center thereof, said projected portion being deformed so as to intrude into a center hole of said capillary due to a pressing force of said capillary when joining said each second wire, and said second wire is cut along said projected portion.