Reuben Chacko

Title: Innovations by Reuben Chacko

Introduction

Reuben Chacko is an accomplished inventor based in Rolla, Missouri. He has made significant contributions to the field of materials science, particularly in the modification of substrate surfaces. With a total of two patents to his name, Chacko's work focuses on enhancing the properties of semiconducting materials.

Latest Patents

Chacko's latest patents revolve around selective liquiphobic surface modification of substrates. These patents provide materials and methods for dramatically changing surface energy. The preferred materials include perfluorocarbon molecules or polymers with various functional groups. These functional groups, such as carboxylic acids, hydroxyls, epoxies, aldehydes, and thiols, attach materials to the substrate surface through physical adsorption or chemical bonding. The perfluorocarbon components contribute to low surface energy, allowing for a rapid transformation of surface properties from hydrophilic to hydrophobic. The water contact angle achieved is 120°, while the PGMEA contact angle is 70°. Additionally, selective liquiphobic modifications of copper over Si/SiOx, TiOx over Si/SiOx, and SiN over SiOx are demonstrated in his patents.

Career Highlights

Chacko is currently employed at Brewer Science, Inc., where he continues to innovate and develop new materials and methods. His work has implications for various applications in the semiconductor industry, enhancing the performance and functionality of electronic devices.

Collaborations

Some of Chacko's notable coworkers include Jinhua Dai and Joyce A Lowes. Their collaborative efforts contribute to the advancement of research and development in materials science.

Conclusion

Reuben Chacko's innovative work in selective liquiphobic surface modification showcases his expertise in materials science. His contributions are paving the way for advancements in the semiconductor industry, demonstrating the importance of his research and patents.