Quentin Ernie Walker

Title: The Innovations of Quentin Ernie Walker

Introduction

Quentin Ernie Walker is a notable inventor based in Fremont, CA. He has made significant contributions to the field of manufacturing systems, particularly in the area of RF pulse monitoring. With a total of 7 patents to his name, Walker's work has advanced the technology used in various industrial applications.

Latest Patents

Walker’s latest patents include methods and systems for RF pulse monitoring and RF pulsing parameter optimization at a manufacturing system. These innovations involve receiving sensor data from one or more sensors that indicate an RF pulse waveform detected within a processing chamber. The technology identifies RF signal characteristics in the detected waveform and determines whether it corresponds to a target RF pulse waveform. This information is then provided to a client device for further analysis.

Another significant patent focuses on endpoint detection in low open area and/or high aspect ratio etch applications. This method determines the endpoint of an etch operation used for forming high aspect ratio features on a substrate. The process begins by obtaining a reference emission curve, followed by measuring plasma optical emission intensity during etch cycles. A differential curve is calculated to identify unique features for stopping the etch operation effectively.

Career Highlights

Quentin Walker is currently employed at Applied Materials, Inc., where he continues to innovate and develop new technologies. His work has been instrumental in enhancing manufacturing processes and improving efficiency in various applications.

Collaborations

Walker collaborates with talented individuals such as Dermot Cantwell and Lei Lian, contributing to a dynamic team focused on advancing technology in the manufacturing sector.

Conclusion

Quentin Ernie Walker's contributions to RF pulse monitoring and etch operations demonstrate his commitment to innovation in manufacturing systems. His patents reflect a deep understanding of the complexities involved in these processes, making him a valuable asset in the field.