I hosted a webinar on November 1, 2024 on

"The Significance of Ultrasonic Transducer Anti-Resonance"

You can watch the recording on my YouTube Channel here: 

https://youtu.be/o6cAVyyVnbg

Here is a link to the pdf slides:

significance - antiresonance slides pdf

Summary

In this webinar, Dr. Husain Shekhani explains why anti-resonance matters in ultrasonic transducers, even for systems operating at resonance. Learn how measurements and simulations of anti-resonance can diagnose critical issues and optimize designs.

⏱️ TIMESTAMPS:

00:00 Introduction to anti-resonance significance

01:51 About PI Ceramic (sponsor) and Ultrasonic Advisors

04:16 What is anti-resonance? Basic theory

06:12 Anti-resonance vs. resonance operating principles

09:23 Displacement control and damping effects

12:25 Why measure anti-resonance? Coupling factor analysis

14:54 Using anti-resonance to diagnose electrical issues

17:27 Effects of circuit components on anti-resonance

20:58 Simulation techniques using eigenfrequency analysis

23:36 Free modal analysis software demonstration

26:31 Electrodes and anti-resonance: theoretical perspective

31:34 Q&A session

Sponsor information

This webinar was sponsored by PI Ceramic Technology.  Learn more about their piezo ceramic products at this link: https://www.piceramic.com/?utm_medium=web&utm_source=UltrasonicAdvisors&utm_campaign=ONLB_700x200_UltrasonicAdvisors_2024-0101-D181_PIC-HP

***Announcement***

My next webinar will be on Friday, March 21, 2025 at 11AM EST.

Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar