Company Filing History:
3 out of 410 
1 out of 124 Years Active: 2001-2010
Title: **Innovative Contributions of Helen Lai Wa Chan**
Introduction
Helen Lai Wa Chan is a distinguished inventor based in Hong Kong, known for her significant contributions to the fields of ultrasonic technology and bonding apparatus. With a total of four patents to her name, she continues to drive innovation through her inventive spirit and technical expertise.
Latest Patents
One of her latest patents is titled "Method and apparatus for measuring oscillation amplitude of an ultrasonic device." This invention includes an apparatus and method for detecting the oscillation amplitude of a bonding tool. The design features a sensing unit positioned adjacent to the bonding tool, comprising a pair of electrodes and a piezoelectric sensing layer that generates electrical voltage signals upon activation. An optional pre-amplifier enhances the signal strength, while an oscilloscope allows for further signal processing.
Additionally, Helen is the inventor of an "Ultrasonic transducer" intended for use in wire bonding apparatus. This transducer comprises two parts that enclose a plurality of piezoelectric elements, enhancing the ability to concentrate vibrational energy at the bonding tool's distal end by selecting appropriate sizes and shapes for its components.
Career Highlights
Helen has made her mark in notable institutions, including The Hong Kong Polytechnic University and ASM Assembly Automation Limited. Her work at these organizations has played a crucial role in advancing the development of ultrasonic technologies used in various industrial applications.
Collaborations
Throughout her career, Helen has collaborated with esteemed colleagues such as Siu Wing Or and Chung Loong Choy. These partnerships have facilitated the exchange of ideas and expertise, furthering the objects of their inventive pursuits.
Conclusion
Helen Lai Wa Chan represents a pivotal figure in innovation, particularly in the realm of ultrasonic devices and bonding technology. Her patents reflect her commitment to advancing technology and showcase her prolific contributions to the engineering landscape. Through her ongoing work, she continues to inspire future generations of inventors and engineers.