Company Filing History:
4 out of 1,724 
2 out of 8 
1 out of 1 Years Active: 2006-2011
Title: Innovations of Chris Chang Yu
Introduction
Chris Chang Yu is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of semiconductor manufacturing, particularly in the development of chemical compositions and methods for photoresist removal. With a total of 7 patents to his name, his work has streamlined processes and improved efficiency in the industry.
Latest Patents
One of his latest patents is titled "Composition for removing photoresist layer and method for using it." This invention discloses a composition that includes a chemical portion comprising water and constituents that dissolve or soften the photoresist layer, along with a mechanical portion consisting of abrasive particles. This innovative approach reduces the conventional two-step process of removing a photoresist layer to a single step, simplifying the procedure, shortening the removal time, and reducing costs. The chemical constituents used are of low toxicity and flammability, making the process more environmentally friendly and decreasing waste disposal expenses.
Another notable patent is "Chemical mechanical polishing slurries, their applications and method of use thereof." This invention describes a chemical mechanical polishing slurry that includes abrasive particles, an oxidant, and a carrier. The oxidant is combined with a large metallorganic compound, and the invention also details the applications and handling methods. This slurry achieves a high removal rate without causing corrosion, low defectivity, and high planarity.
Career Highlights
Chris has worked with notable companies in the semiconductor industry, including Semiconductor Manufacturing International Corporation and Anji Microelectronics Co., Ltd. His experience in these organizations has allowed him to apply his innovative ideas and contribute to advancements in technology.
Collaborations
Throughout his career, Chris has collaborated with talented individuals such as Andy Yang and Chun Yang. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Chris Chang Yu's contributions to the field of semiconductor manufacturing through his innovative patents have significantly impacted the industry. His work continues to pave the way for more efficient and environmentally friendly processes.