This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: Samsung Electronics Co., Ltd., Samsung Electro-Mechanics Co., Ltd.. Active years: 2010-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 132,108 
1 out of 7,633 Years Active: 2010-2020
Title: Chang-yun Lee: Innovator in Semiconductor Technology
Introduction
Chang-yun Lee is a prominent inventor based in Hwaseong-si, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His innovative approaches have advanced the methods used in semiconductor manufacturing and inspection.
Latest Patents
Chang-yun Lee's latest patents include a method of inspecting semiconductor substrates and a method of manufacturing semiconductor devices. The inspection method involves measuring the light intensity of light reflected from a rotating semiconductor substrate. It also includes analyzing the frequency distribution of the measured light intensity to determine the state of the semiconductor substrate. This analysis extracts multiple frequency components corresponding to various frequencies from the measured light intensity.
Additionally, he has developed a deposition process monitoring system that can detect the internal state of a chamber during the deposition process. This system includes a facility cover that defines a space for the deposition process, a chamber covered with a translucent dome, and a support for the deposition target. The system also features lamps that supply radiant heat energy during the process and a laser sensor that detects the intensity of a laser beam transmitted through the dome. The state of by-products coating the dome is determined based on the detected intensity of the laser beam.
Career Highlights
Chang-yun Lee has worked with notable companies such as Samsung Electronics Co., Ltd. and Samsung Electro-Mechanics Co., Ltd. His experience in these leading firms has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.
Collaborations
Some of his notable coworkers include Kee-soo Park and Ju-hyun Lee. Their collaborative efforts have further enhanced the innovative projects they have undertaken together.
Conclusion
Chang-yun Lee's contributions to semiconductor technology through his patents and career achievements highlight his role as a key innovator in the field. His work continues to influence the industry and pave the way for future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile