Patent ID: 7416107

Claim:
In an apparatus having a portion thereof for attaching a metal to a portion of a device for use in a bonding operation comprising: a portion of the apparatus having an outer diameter including: a tip of a portion of the apparatus having a hole therethrough; and a face on the tip, the face including a first frusto-conical surface extending from a portion of a hole of the tip, a second frusto-conical surface having a portion thereof connected to the first frusto-conical surface, a substantially horizontal annular surface having a portion thereof connected to the second frusto-conical surface, the substantially horizontal annular surface defined by a radius of curvature of the tip, the substantially horizontal annular surface providing a space from portions of a device, and an annular curved surface intersecting a concave surface extending from the substantially horizontal annular surface, and an annular conical surface extending from an outer diameter of the face of the tip.