This inventor holds 1 USPTO granted patent. Top assignee: Shin-Etsu Handotai, Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Weifeng Qu: Innovator in Silicon Single Crystal Substrates
Introduction
Weifeng Qu is a notable inventor based in Takasaki, Japan. He has made significant contributions to the field of materials science, particularly in the development of silicon single crystal substrates. His innovative work has implications for various applications in semiconductor technology.
Latest Patents
Weifeng Qu holds a patent for a "Silicon single crystal substrate for vapor phase growth, vapor phase growth substrate and methods for producing them." This patent describes a silicon single crystal substrate made of an FZ crystal with a resistivity of 1000 Ωcm or more. The substrate features a high nitrogen concentration layer, which has a nitrogen concentration higher than that of other regions, specifically 5×10 atoms/cm³ or more, and a thickness ranging from 10 to 100 μm.
Career Highlights
Weifeng Qu is currently employed at Shin-Etsu Handotai, Ltd., a leading company in the semiconductor industry. His work at the company has allowed him to focus on advancing technologies related to silicon substrates, which are crucial for the production of high-performance electronic devices.
Collaborations
Throughout his career, Weifeng Qu has collaborated with esteemed colleagues, including Keitaro Tsuchiya and Masaru Shinomiya. These collaborations have fostered a productive environment for innovation and research in the field of materials science.
Conclusion
Weifeng Qu's contributions to the development of silicon single crystal substrates highlight his role as an influential inventor in the semiconductor industry. His innovative patent and collaborative efforts continue to shape advancements in technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile