This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Cabot Microelectronics Corporation. Active years: 2017.
Company Filing History:
Years Active: 2017
Title: The Innovative Contributions of Chih-Pin Tsai
Introduction
Chih-Pin Tsai is a notable inventor based in Kaohsiung, Taiwan. He has made significant contributions to the field of chemical-mechanical polishing (CMP) with a focus on silicon nitride and titanium nitride removal. With a total of 2 patents, his work has advanced the technology used in semiconductor manufacturing.
Latest Patents
Tsai's latest patents include a CMP composition for silicon nitride removal. This invention provides a chemical-mechanical polishing composition that comprises colloidal silica particles modified with metal ions, an anionic surfactant, a buffering agent, and water. The composition is designed to have a pH of about 2 to about 7 and is substantially free of oxidizing agents. Additionally, he has developed a CMP method for the suppression of titanium nitride and titanium/titanium nitride removal. This method involves abrading a metal layer with an acidic CMP composition to expose the underlying TiN or Ti/TiN layer, utilizing a surfactant inhibitor to control the polishing rate.
Career Highlights
Chih-Pin Tsai is currently employed at Cabot Microelectronics Corporation, where he continues to innovate in the field of CMP technologies. His work has been instrumental in improving the efficiency and effectiveness of semiconductor processing.
Collaborations
Tsai has collaborated with notable coworkers such as Ming-Chih Yeh and Hui-Fang Hou, contributing to the advancement of CMP methodologies and compositions.
Conclusion
Chih-Pin Tsai's contributions to the field of chemical-mechanical polishing have made a significant impact on semiconductor manufacturing. His innovative patents and ongoing work at Cabot Microelectronics Corporation highlight his role as a leading inventor in this specialized area.