Patent ID: 7857190
Filing Date: 2010-12-28
Classification: H01L,Y10T

Abstract:
1. A wire bonding apparatus comprising: a moving mechanism for moving, in XYZ directions, a capillary having a wire inserted therethrough and executing bonding on a work; a first means for taking an image of the work; a light path device for conducting an elevation image of a vicinity of a tip end of the capillary to the first means; a ball formation device for forming a tip end of the wire into a ball of a prescribed shape by an electrical discharge between a discharge electrode and the wire; an electrical discharge state acquisition device for acquiring a state of the electrical discharge between the discharge electrode and the wire; a second means for opening and closing a plurality of clampers, respectively, for gripping the wire; and a computer for controlling wire bonding between a first bonding point and a second bonding point, said computer including