Hwey-Ching Chien

Title: Hwey-Ching Chien: Innovator in Electronic Device Technology

Introduction

Hwey-Ching Chien is a notable inventor based in San Diego, CA, with a focus on electronic device technology. He holds a total of 6 patents, showcasing his contributions to the field of electronics and circuit design. His innovative work has led to advancements in shielding structures and phase-locked loop systems.

Latest Patents

One of Hwey-Ching Chien's latest patents is titled "Electronic device with shielding structure and method of manufacturing the same." This invention involves an electronic device that includes a substrate, an active circuit, and a shielding structure. The active circuit is formed on the substrate, while the shielding structure surrounds the active circuit and consists of various components, including heavy ion-doped regions and metal stacks. This design aims to enhance the performance and reliability of electronic devices.

Another significant patent is the "Charge pump for phase-locked loop." This invention addresses the issue of high impedance output dead periods in phase comparators. By resetting the phase comparator when both sourcing and sinking commands are high, the dead zone can be minimized. The accurate timing of the reset signal is crucial for improving phase noise performance in PLL systems.

Career Highlights

Hwey-Ching Chien has worked with prominent companies in the electronics sector, including Prominent Communications, Inc. His experience in these organizations has contributed to his expertise in developing innovative electronic solutions.

Collaborations

Throughout his career, Hwey-Ching Chien has collaborated with talented individuals, including Ping An and Zaw Soe, who have contributed to his projects and innovations.

Conclusion

Hwey-Ching Chien's work in electronic device technology has made a significant impact on the industry. His patents reflect his commitment to innovation and excellence in the field.