This inventor holds 3 USPTO granted patents. Top assignee: United Microelectronics Corp.. Active years: 1999-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1999-2001
Title: Yi-Chun Chang: Innovator in Semiconductor Technology
Introduction
Yi-Chun Chang is a notable inventor based in Zhongli, Taiwan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on methods that enhance the performance and reliability of semiconductor devices.
Latest Patents
One of Yi-Chun Chang's latest patents is a method for preventing corrosion of bonding pads on the surface of semiconductor wafers. This invention addresses the issue of corrosion caused by residual polymers on the bonding pad, which is a metallic layer on the semiconductor wafer. The method involves using an organic solution to clean off these residual polymers, thereby preventing corrosion and ensuring the integrity of the bonding pad.
Another significant patent by Chang is related to the etching of silicon nitride layers. This method utilizes anisotropic plasma etching with a photo-resist layer as a mask to remove the silicon nitride layer on a semiconductor substrate. The etching process employs a mixture of tetra-fluoro-methane, argon, and nitrogen as the reactive material, showcasing his innovative approach to semiconductor fabrication.
Career Highlights
Yi-Chun Chang is currently employed at United Microelectronics Corporation, a leading company in the semiconductor industry. His expertise and innovative methods have contributed to advancements in semiconductor technology, making him a valuable asset to his organization.
Collaborations
Throughout his career, Yi-Chun has collaborated with several talented individuals, including Ming-Sheng Kuo and Jain-Hon Chen. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Yi-Chun Chang's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative methods continue to shape the future of semiconductor manufacturing and reliability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile