Karen Turnquest

Title: The Innovative Contributions of Karen Turnquest

Introduction

Karen Turnquest is a notable inventor based in Pflugerville, TX (US). She has made significant contributions to the field of semiconductor technology. Her work focuses on enhancing the processes involved in photoresist trim procedures, which are crucial for the manufacturing of semiconductor features.

Latest Patents

Karen Turnquest holds a patent for a "Method for photoresist trim endpoint detection." This innovative method is designed for forming semiconductor features, such as gates, line widths, thicknesses, and spaces, produced by a photoresist trim procedure. The methodology enables the use of optical emission spectroscopy and/or optical interferometry techniques for endpoint monitoring during resist trim etching of photoresist structures. Various types of material layers underlying photoresist structures are employed to provide an endpoint signal, enabling closed-loop control and improving the targeting of photoresist masks and reproducibility. Additionally, the method allows for in situ etch rate monitoring and is resilient to etch rate variances within an etching chamber during the etch process.

Career Highlights

Karen is currently employed at Advanced Micro Devices Corporation, where she continues to push the boundaries of semiconductor technology. Her work has been instrumental in advancing the efficiency and effectiveness of semiconductor manufacturing processes.

Collaborations

Throughout her career, Karen has collaborated with esteemed colleagues, including Douglas J Bonser and Srikanteswara Dakshina-Murthy. These collaborations have further enriched her contributions to the field.

Conclusion

Karen Turnquest's innovative work in semiconductor technology exemplifies the impact of dedicated inventors in advancing industry standards. Her patent for a method of photoresist trim endpoint detection showcases her commitment to improving manufacturing processes.