Chung Loong Choy

Title: Innovations of Chung Loong Choy

Introduction

Chung Loong Choy is a notable inventor based in Hong Kong, CN. He has made significant contributions to the field of ultrasonic technology, holding a total of 2 patents. His work primarily focuses on developing advanced bonding tools that utilize ultrasonic energy for various applications.

Latest Patents

Chung Loong Choy's latest patents include an innovative ultrasonic transducer designed as a bonding tool. This tool features a driver composed of piezoelectric elements arranged in a stack. A sensor is integrated within the stack, which includes a piezoelectric element sandwiched between electrodes and insulating wafers. The voltage generated between the electrodes is monitored to determine bonding parameters, such as the amplitude and duration of each ultrasonic burst. Another patent involves a bonding tool that applies pressure and ultrasonic energy simultaneously to join miniature components. This tool incorporates an ultrasonic driver with four composite wafers separated by electrodes. Unlike traditional bonding tools that use entirely ceramic wafers, this design employs sector parts of ceramic material separated by layers of polymer, resulting in broader bandwidth operation and reduced spurious resonance modes.

Career Highlights

Chung Loong Choy is affiliated with The Hong Kong Polytechnic University, where he continues to advance his research and innovations in ultrasonic technology. His work has garnered attention for its practical applications in various industries.

Collaborations

Chung has collaborated with notable colleagues, including Siu Wing Or and Helen Lai Wa Chan, contributing to the advancement of their shared research interests.

Conclusion

Chung Loong Choy's contributions to ultrasonic technology through his innovative patents highlight his expertise and commitment to advancing the field. His work continues to influence the development of bonding tools that enhance manufacturing processes.