This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignee: Samsung Electronics Co., Ltd.. Active years: 2023.
Company Filing History:
Years Active: 2023
Title: Doohyun Cho: Innovator in Semiconductor Technology
Introduction
Doohyun Cho is a prominent inventor based in Hwaseong, South Korea. He has made significant contributions to the field of semiconductor technology, particularly in thickness estimation methods and processing control techniques. With a total of 2 patents, his work has the potential to enhance production efficiency in semiconductor manufacturing.
Latest Patents
One of his latest patents is a thickness estimation method that involves obtaining a test spectrum image and data. This method measures the thickness of a test layer formed on a substrate at multiple positions. By generating a regression analysis model that correlates the thickness of the test layer with the test spectrum data, it allows for the estimation of the thickness of a target layer across the entire area of the semiconductor substrate. This innovative approach enables real-time feedback to processing equipment, thereby improving production yield.
Another notable patent is a wafer inspection apparatus and method. This apparatus includes a transfer robot, a light source, a camera, a memory, and a controller. The memory stores a thickness predicting model that is trained to minimize a loss function based on a data set. The controller utilizes pixel data from captured images to predict the thickness of the wafer or an element layer formed on it. This technology enhances the accuracy of thickness measurements in semiconductor manufacturing.
Career Highlights
Doohyun Cho is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate in the semiconductor industry. His work is instrumental in advancing the capabilities of wafer inspection and processing control methods.
Collaborations
He collaborates with talented coworkers, including Taejoong Kim and Jongsu Kim, who contribute to the development of cutting-edge technologies in their field.
Conclusion
Doohyun Cho's contributions to semiconductor technology through his innovative patents demonstrate his expertise and commitment to enhancing manufacturing processes. His work not only improves production efficiency but also sets a benchmark for future advancements in the industry.