Patent ID: 9397066
Filing Date: 2016-07-19
CPC Classification: B23K,B65H,H01L

Claim Text:
1. A wire feed system for a wire bonding machine, the system comprising: a wire tensioning unit having a chamber with a wire inlet aperture and a wire outlet aperture with centers that are aligned with a central axis of the chamber; and a clamp positioned to receive a bond wire provided from the wire outlet aperture, wherein the clamp has at least two jaws movable relative to each other and arranged to grip the wire to align a central axis of the wire with the central axis of the chamber, and wherein the jaws are movable along the central axis of the wire in order to pull the wire through the wire tensioning unit, wherein each of the jaws comprises two tapered surfaces to contact the bond wire at two tangent points in a cross-sectional view.