Patent ID: 6998295
Filing Date: 2006-02-14
Classification: H01L

Abstract:
1. A method of manufacturing a device package in which a device is electrically connected to external wiring through a metal wire, the method comprising: forming a small-diameter ball using a small-diameter metal wire, bonding said small-diameter ball to the device, and then separating said small-diameter metal wire from said small-diameter ball; forming a large-diameter ball using a large-diameter metal wire, and bonding said large-diameter ball to the external wiring, said small-diameter ball and metal wire having respective diameters smaller than respective diameters of said large-diameter ball and metal wire; and bonding said large-diameter metal wire connected to said large-diameter ball to said small-diameter ball by stitch bonding, and then separating said large-diameter metal wire from said small-diameter ball.