Keith H Chung

Title: Innovations by Keith H Chung

Introduction

Keith H Chung is an accomplished inventor based in Columbia, MD (US). He has made significant contributions to the field of semiconductor technology, particularly in the integration of phase change switches into high-speed BiCMOS processes. With a total of 2 patents to his name, Chung's work is recognized for its innovative approach and technical depth.

Latest Patents

Chung's latest patents include a method to integrate DC and RF phase change switches into high-speed SiGe BiCMOS. This method involves providing a base structure that includes BiCMOS circuitry on a semiconductor substrate. It also entails forming a dielectric contact window layer with metal through-plugs that connect to the BiCMOS circuitry. The construction of the phase change switch (PCS) on the contact window layer is a key aspect of this method. The PCS features a phase change region situated between ohmic contacts, allowing it to function as a switch controlled by heat. Additionally, the method includes forming a stack of alternating patterned metal layers and dielectric layers that interconnect the patterned metal layers, ensuring connections to the BiCMOS circuitry and the resistive heater.

Career Highlights

Chung is currently employed at Northrop Grumman Systems Corporation, where he continues to push the boundaries of innovation in semiconductor technology. His work has been instrumental in advancing the capabilities of high-speed electronic systems.

Collaborations

Chung has collaborated with notable colleagues such as Patrick Bruckner Shea and Robert Miles Young, contributing to a dynamic and innovative work environment.

Conclusion

Keith H Chung's contributions to the field of semiconductor technology through his patents and work at Northrop Grumman Systems Corporation highlight his role as a leading inventor in the industry. His innovative methods for integrating phase change switches are paving the way for advancements in high-speed electronic systems.