This inventor holds 2 USPTO granted patents. Top assignees: International Business Machines Corporation, Siemens Aktiengesellschaft. Active years: 1999-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 166,351 
2 out of 30,874 
Years Active: 1999-2005
Title: Innovations by Inventor Chien Yu
Introduction
Chien Yu is a notable inventor based in Highland Mills, NY (US). He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on improving processes related to microelectronic composite structures.
Latest Patents
Chien Yu's latest patents include methods for the removal of post-reactive ion etch (RIE) sidewall polymer rails on aluminum/copper (Al/Cu) metal lines. These patents detail a process that involves supplying a mixture of etching gas and acid neutralizing gas into a vacuum chamber. This process forms a water-soluble material from the sidewall polymer rails left behind after the RIE process. The removal of this material is achieved using deionized water. Additionally, his patents describe methods for stripping photo-resist layers from semiconductor structures, either through a water-only plasma process or a chemical downstream etching method.
Career Highlights
Throughout his career, Chien Yu has worked with prominent companies such as Siemens Aktiengesellschaft and IBM. His experience in these organizations has contributed to his expertise in semiconductor technologies and innovations.
Collaborations
Chien Yu has collaborated with notable professionals in his field, including Ravikumar Ramachandran and Wesley Charles Natzle. These collaborations have further enhanced his contributions to the industry.
Conclusion
Chien Yu's innovative work in semiconductor technology and his patents reflect his dedication to advancing the field. His contributions continue to influence the development of microelectronic composite structures.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile