Company Filing History:
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1 out of 70 Years Active: 2014-2025
Title: Lei Zhang: Innovator in Polymer and Inorganic Substrate Technologies
Introduction
Lei Zhang is a notable inventor based in Hockessin, DE (US). He has made significant contributions to the field of materials science, particularly in the development of innovative articles that incorporate inorganic substrates and polymer film layers. With a total of 3 patents, his work showcases a blend of creativity and technical expertise.
Latest Patents
One of Lei Zhang's latest patents is focused on articles having inorganic substrates and polymer film layers. This invention includes an inorganic substrate made from materials such as ceramics, glass, or glass-ceramics, which contain metal cations like silicon, aluminum, and titanium. The polymer film layer consists of a polymer that includes an imide group. Notably, the patent describes how the CNO− signal from negative secondary ion mass spectroscopy decreases from the interface into the bulk of the polymer film layer.
Another significant patent is the thin film fluoropolymer composite CMP polishing method. This invention outlines a polymer-polymer composite polishing method that features a polishing layer designed for substrate polishing or planarizing. The method involves attaching a polymer-polymer composite with a polishing layer and a polymeric matrix containing embedded fluoropolymer particles. The process includes applying a cationic particle slurry and conditioning the polishing pad to achieve a fluorine concentration that enhances the polishing effectiveness.
Career Highlights
Throughout his career, Lei Zhang has worked with prominent companies such as Rohm and Haas Electronic Materials, CMP Holdings, Inc., and E.I. DuPont De Nemours and Company. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Lei Zhang has collaborated with notable colleagues, including Mohammad T. Islam and Nan-Rong Chiou. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in their respective fields.
Conclusion
In summary, Lei Zhang is a distinguished inventor whose work in polymer and inorganic substrate technologies has led to valuable patents and innovations. His contributions continue to impact the materials science industry positively.