Yuming Zhang

Title: Innovations of Yuming Zhang in Semiconductor Technology

Introduction: Yuming Zhang, an accomplished inventor based in Xi'an, China, has made significant contributions to the field of semiconductor devices. With a total of nine patents to his name, Zhang's work focuses on innovative approaches to enhance semiconductor packaging and contact preparation methods.

Latest Patents: Among Yuming Zhang's latest patents are two notable inventions. The first is a "Package structure for semiconductor device and preparation method thereof." This patent describes an advanced package structure comprising a three-layer film. The layers include a first silicon oxide film formed through thermal oxidation, a silicon nitride film produced via low-pressure chemical vapor deposition, and a second silicon oxide film created using low-temperature atomic layer deposition. This innovation also outlines the method for constructing such a package structure.

The second patent, "Method for preparing SiC ohmic contact with low specific contact resistivity," focuses on a new technique for creating a SiC ohmic contact. This method utilizes a SiC substrate and involves several steps, including the preparation of a graphene/SiC structure, deposition of a gold film, and the application of photolithography and etching processes. The innovative aspect lies in the integration of graphene, which significantly reduces the potential barrier at the SiC interface, achieving a specific contact resistance of approximately 10^(-10) Ω·cm with high repeatability.

Career Highlights: Yuming Zhang is associated with Xidian University, where he continues to push the boundaries of semiconductor technology. His dedication to research and development has positioned him as a leading figure in his field.

Collaborations: Throughout his career, Yuming Zhang has worked alongside talented colleagues, including Hui Guo and Keji Zhang. These collaborations have fostered a creative environment, allowing for the exchange of ideas and the advancement of semiconductor innovations.

Conclusion: Yuming Zhang's contributions to semiconductor technology exemplify the spirit of innovation. His patents not only showcase his expertise in material science and engineering but also highlight the importance of collaboration in driving forward groundbreaking advancements. As he continues his work at Xidian University, the impact of his innovations will likely resonate throughout the semiconductor industry for years to come.