Ultrasonic horn for an ultrasonic welding system and ultrasonic welding system

By designing alignment features and working surfaces at the tip of the ultrasonic welding electrode, and utilizing vacuum source pickup and torsional motion, the problems of misaligned conductive pins and whisker formation are solved, thus improving welding accuracy and reliability.

CN224526210UActive Publication Date: 2026-07-21KULICKE & SOFFA IND INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KULICKE & SOFFA IND INC
Filing Date
2025-07-11
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

In existing ultrasonic welding technology, conductive pins are prone to misalignment and the formation of unwanted whiskers from unwelded material during the pickup and welding process, leading to problems such as short circuits.

Method used

The design of the distal part of the ultrasonic welding electrode includes alignment features and a working surface. The conductive pins are picked up by a vacuum source and aligned with the hole using the alignment features. Combined with the torsional motion used in the ultrasonic welding process, the welding accuracy and reliability are improved.

Benefits of technology

It improves the alignment accuracy and welding quality of conductive pins, reduces the formation of unwelded material, lowers the risk of short circuits, and enhances the reliability of the welding process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of ultrasonic welding electrode for the ultrasonic welding system of configuration. Ultrasonic welding electrode includes the body portion terminated at tip portion, tip portion includes (i) alignment feature and (ii) working surface, the working surface is configured to press against the base portion of conductive pin during ultrasonic welding process. Working surface defines hole, the hole is configured to receive the slender portion of conductive pin. Alignment feature is configured to align conductive pin relative to hole. The utility model also provides an ultrasonic welding system, comprising: support structure, the support structure is configured for supporting workpiece;And welding head assembly, the welding head assembly includes the ultrasonic transducer of carrying above-mentioned ultrasonic welding electrode.
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