Tin Ho (Andy) Wu

Title: The Innovative Contributions of Tin Ho (Andy) Wu

Introduction

Tin Ho (Andy) Wu is a prominent inventor based in Hong Kong, CN. He has made significant contributions to the field of electronics, particularly in the area of electromagnetic interference (EMI) shielding and power supply modulation. With a total of 5 patents to his name, Wu's work exemplifies the intersection of innovation and practical application in technology.

Latest Patents

One of Wu's latest patents involves a ferrite electro-magnetic interference (EMI) shield designed for integrated-circuit (IC) packages. This innovative design features a ferrite-dielectric shield that effectively blocks EMI generated by currents in an inductor coil from reaching the semiconductor chip. The shield is constructed with a ferrite layer surrounded by upper and lower dielectric laminate layers, preventing electrical shorts. The design includes a center post that connects the inductor coil to the semiconductor chip, ensuring efficient functionality.

Another notable patent focuses on digital frequency dithering for switched-mode power supplies (SMPS). This invention utilizes a modulator to spread the spectrum of a generated clock, thereby reducing EMI. The system employs a variable current to charge a capacitor, generating a ramp voltage that is compared to a reference to control clock cycles. The design incorporates an up-down counter and a Digital-to-Analog Converter (DAC) to achieve triangle modulation, enhancing the efficiency of power supplies.

Career Highlights

Tin Ho (Andy) Wu has worked with esteemed organizations such as the Hong Kong Applied Science and Technology Research Institute and High Tech Technology Limited. His experience in these institutions has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Throughout his career, Wu has collaborated with talented individuals, including Ho Ming (Karen) Wan and Kwai Chi Chan. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Tin Ho (Andy) Wu's contributions to the field of electronics through his innovative patents demonstrate his commitment to advancing technology. His work in EMI shielding and power supply modulation highlights the importance of innovation in addressing modern challenges. Wu's achievements serve as an inspiration for future inventors and innovators in the industry.