Company Filing History:
2 out of 18 
1 out of 15 
1 out of 2 Years Active: 2021-2025
Title: Hui Liu: Innovator in Diamond Technology and Polymer Engineering
Introduction
Hui Liu is a prominent inventor based in Henan, China, known for his contributions to the fields of diamond technology and polymer engineering. With a total of 3 patents, he has made significant advancements that have practical applications in various industries.
Latest Patents
Hui Liu's latest patents include a large-size diamond and a microwave plasma chemical vapor deposition (MPCVD) device. The MPCVD device features a deposition platform, substrate platform, lifting platform, microwave quartz window, upper cover plate, baseplate, pressure sensors, composite windows, thickness measuring device, visual device, temperature measuring device, plasma diagnostic device, vacuum sealing ring, and microwave shielding sealing ring. The reaction cavity is formed by the upper cover plate and baseplate, with an inlet hole on the upper cover plate and an exhaust hole on the baseplate. The microwave quartz window is annular and isolates the reaction cavity from external air. Additionally, the lifting platform includes vacuum and cooling channels, while a pressure sensor monitors gas pressure within the vacuum cavity.
Another notable patent is a silicate-modified polymer grouting material for leakage plugging. This innovative material consists of 60% by weight of a silicate-modified aqueous solution and approximately 40% of a structural flame-retardant isocyanate. The material exhibits excellent flame retardant performance, with an oxygen index of ≥35% and adhesion of ≥1.5 mPa. It also has a maximum reaction temperature of ≤95° C., an odor level (at 80° C.) of ≤3.5, and a fog test result of ≤5 mg, indicating minimal environmental impact from physical additive flame retardants.
Career Highlights
Hui Liu has worked with notable companies such as Safekey Engineering Technology and Welead Infrastructure Engineering Technology, both located in Zhengzhou. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Hui Liu has collaborated with professionals like Hongyuan Fang and Peng Zhao, enhancing his work through shared knowledge and expertise.
Conclusion
Hui Liu's innovative patents and career achievements highlight his significant contributions to technology and engineering. His work continues to influence advancements in diamond technology and polymer materials, showcasing the importance of innovation in these fields.