Donghua Zuo

Title: The Innovations of Donghua Zuo

Introduction

Donghua Zuo is a notable inventor based in Henan, China. He has made significant contributions to the field of grinding technology, particularly through his innovative patent related to composite binding agent grinding wheels. His work has implications for the manufacturing and processing of silicon carbide crystal epitaxial wafers.

Latest Patents

Donghua Zuo holds a patent for a composite binding agent grinding wheel and its preparation method. This invention details a grinding wheel composed of various raw materials, including 45-65% pretreatment abrasive, 8-20% resin bonding agent, 5-12% hexagonal boron nitride, 5-10% silicon dioxide, 5-15% ceramic powder, 6-12% prealloy powder bonding agent, and 1-3% boron powder. The grinding wheel is designed to achieve nano-level grinding surface quality, demonstrating strong self-sharpening and high sharpness. This innovation addresses the limitations faced in the back thinning processing of silicon carbide crystal epitaxial wafers.

Career Highlights

Donghua Zuo is affiliated with the Zhengzhou Research Institute for Abrasives and Grinding Co., Ltd. His work at this institute has allowed him to focus on advancements in abrasive technologies and grinding processes. His contributions have been instrumental in enhancing the efficiency and effectiveness of grinding operations.

Collaborations

Donghua Zuo has collaborated with several professionals in his field, including Yanjun Zhao and Lihua Wang. These collaborations have fostered a productive environment for innovation and research in grinding technologies.

Conclusion

Donghua Zuo's innovative work in the development of composite binding agent grinding wheels showcases his commitment to advancing grinding technology. His contributions are paving the way for improved processing techniques in the semiconductor industry.