Company Filing History:
Years Active: 2016-2024
Title: Innovations of Jinhua Dai
Introduction
Jinhua Dai is a prominent inventor based in Rolla, MO (US), known for his significant contributions to the field of materials science. With a total of 7 patents to his name, Dai has made remarkable advancements in surface modification technologies.
Latest Patents
One of his latest patents focuses on selective liquiphobic surface modification of substrates. This invention provides materials and methods for modifying semiconducting substrate surfaces to dramatically change surface energy. Preferred materials include perfluorocarbon molecules or polymers with various functional groups. These functional groups, such as carboxylic acids, hydroxyls, epoxies, aldehydes, and/or thiols, attach materials to the substrate surface through physical adsorption or chemical bonding. The perfluorocarbon components contribute to low surface energy, allowing for rapid transformation of surface properties from hydrophilic to hydrophobic, achieving a water contact angle of 120° and a PGMEA contact angle of 70°. Additionally, selective liquiphobic modifications of copper over Si/SiOx, TiOx over Si/SiOx, and SiN over SiOx are demonstrated.
Another notable patent involves bottom-up conformal coating and photopatterning on PAG-immobilized surfaces. This invention provides materials and methods to immobilize photoacid generators on semiconducting substrates. PAG-containing monomers are copolymerized with other monomers to enhance solubility and generate PAG-containing polymers. The immobilized PAGs can then be used to pattern materials coated on top, allowing direct patterning without the use of a photoresist. This innovation reduces process steps and costs while enabling the production of conformal coatings of controlled thicknesses.
Career Highlights
Jinhua Dai is currently employed at Brewer Science, Inc., where he continues to push the boundaries of innovation in materials science. His work has significantly impacted the development of advanced materials and processes.
Collaborations
Dai collaborates with talented individuals such as Joyce A Lowes and Daniel M Sullivan, contributing to a dynamic research environment that fosters innovation.
Conclusion
Jinhua Dai's contributions to materials science through his patents and innovations demonstrate his commitment to advancing technology. His work at Brewer Science, Inc. continues to influence the field and inspire future developments.
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