This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Applied Materials, Inc., Lam Research Corporation. Active years: 2023-2025.
Company Filing History:
Years Active: 2023-2025
Title: Jayoung Choi: Innovator in Semiconductor Processing
Introduction
Jayoung Choi is a prominent inventor based in San Jose, CA, known for his contributions to semiconductor processing technologies. With a total of 3 patents, he has made significant advancements in methods for etching high aspect ratio structures and enhancing etch selectivity.
Latest Patents
One of Jayoung Choi's latest patents is a method for etching high aspect ratio structures. This innovative method involves etching a substrate to form a recess, depositing a passivation layer on the sidewalls of the recess, treating the passivation layer, and etching the recess to a second depth. The process ensures minimal variation in the recess sidewall width while effectively removing clogging materials formed during etching. Another notable patent focuses on enhanced etch selectivity using halides. This method includes performing a dry etch process to remove a portion of a first layer while forming a passivation layer on the surfaces of a second material. The introduction of halide gas enhances the passivation layer, improving the overall etching process.
Career Highlights
Throughout his career, Jayoung Choi has worked with leading companies in the semiconductor industry, including Applied Materials, Inc. and Lam Research Corporation. His experience in these organizations has allowed him to develop and refine his innovative techniques in semiconductor processing.
Collaborations
Jayoung has collaborated with notable colleagues, including Hailong Zhou and Qian Fu, who have contributed to his research and development efforts in the field.
Conclusion
Jayoung Choi's work in semiconductor processing has led to significant innovations that enhance the efficiency and effectiveness of etching processes. His contributions continue to impact the industry positively, showcasing his expertise and dedication to advancing technology.

