Patent ID: 6467677
Filing Date: 2002-10-22
Classification: B23K,H01L

Abstract:
A method for making an electrical connection between a first contact surface and a second contact surface, comprising the steps of:producing a contact metallization composed of a material of a contacting wire on a first one of the first contact surface and the second contact surface using a wire-bonding device, wherein, by initially applying a thermal energy to a free end of the contacting wire, the free end is fused to form a ball; subsequent to forming the ball, pressing the ball onto the first one of the first contact surface and the second contact surface in order to plastically deform the ball and form a flat-pressed ball having a peak, and in order to achieve a connection between the flat-pressed ball and the first one of the first contact surface and the second contact surface in first place by a positive locking; and subsequent to pressing the ball, arranging the contacting wire between the first contact surface and the second contact surface in accordance with an operation of the wire-bonding device by performing the steps of: contacting the contacting wire initially with a second one of the first contact surface and the second contact surface and then with the peak of the flat-pressed ball, and subsequently cutting off the contacting wire in accordance with the operation of the wire-bonding device.