US 11,937,979 B2
Ultrasonic transducers, wire bonding machines including ultrasonic transducers, and related methods
Dominick Albert DeAngelis, Villanova, PA (US); and Gary Walter Schulze, Bethlehem, PA (US)
Assigned to Kulicke and Soffa Industries, Inc., Fort Washington, PA (US)
Filed by Kulicke and Soffa Industries, Inc., Fort Washington, PA (US)
Filed on Apr. 12, 2022, as Appl. No. 17/718,474.
Claims priority of provisional application 63/180,480, filed on Apr. 27, 2021.
Prior Publication US 2022/0338838 A1, Oct. 27, 2022
Int. Cl. B23K 20/00 (2006.01); A61B 8/00 (2006.01); B23K 20/10 (2006.01)
CPC A61B 8/445 (2013.01) [A61B 8/4433 (2013.01); A61B 8/4455 (2013.01); A61B 8/4494 (2013.01); B23K 20/005 (2013.01); B23K 20/10 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An ultrasonic transducer comprising:
a transducer body, the transducer body defining an aperture configured to receive a wire bonding tool, wherein an area of the transducer body defining the aperture is coated with a coating to reduce wear at the area.