Ying C Hwang

Title: Innovations of Ying C Hwang

Introduction

Ying C Hwang is a notable inventor based in Liverpool, NY (US). He has made significant contributions to the field of microwave integrated circuits, holding a total of 3 patents. His work focuses on advanced semiconductor technologies that enhance signal processing capabilities.

Latest Patents

Hwang's latest patents include a novel signal scaling MESFET of a segmented dual gate design. This invention discloses a MESFET that is monolithically integrated on a semi-insulating substrate, capable of localized surface modification to form active semiconductor regions using MMIC techniques. The design allows for small AC signal transfer that is adjustable in selected discrete steps, making it suitable for operation in the gigahertz range. The substrate is preferably made of gallium arsenide, and the technique permits reproducible feature definition, reducing parasitics and facilitating high-frequency operation.

Another significant patent is the digitally controlled wideband phase shifter. This invention resolves an input signal into two quadrature related components, which are then scaled in a stepped digital manner. The phase shifter is implemented using a monolithic microwave integrated circuit technique, with all active device features formed on the substrate by a photolithographic process. It is designed for broadband applications, scaling at stepped angles and applicable to frequencies ranging from a fraction of a gigahertz to many gigahertz.

Career Highlights

Throughout his career, Ying C Hwang has worked with prominent organizations, including General Electric Company and the United States of America as represented by the Secretary of the Air Force. His expertise in semiconductor technology has made him a valuable asset in the field of microwave engineering.

Collaborations

Hwang has collaborated with notable individuals such as Young K Chen and John W Lunden, contributing to advancements in his field through teamwork and shared expertise.

Conclusion

Ying C Hwang's innovative patents and career achievements highlight his significant impact on the field of microwave integrated circuits. His work continues to influence advancements in semiconductor technology and signal processing.