The technical level of the two scientific research projects undertaken by Zhengzhou Sanmao has reached the international advanced level.

Abstract On March 14, 2015, commissioned by the Science and Technology Department of Henan Province, Zhengzhou Science and Technology Bureau organized the development of a series of superhard abrasive tools for precision cutting of key parts in the optical and electronic industries in Zhengzhou. ...
On March 14, 2015, commissioned by the Science and Technology Department of Henan Province, Zhengzhou Science and Technology Bureau organized the development of a series of superhard abrasive tools for precision cutting of key parts in the optical and electronic industries in Zhengzhou. Scientific research results were evaluated in two research projects, such as the research on the manufacturing technology of diamond polishing fluid for LED substrate processing.

The meeting was presided over by Li Wei, Director of the Achievements Department of Zhengzhou Municipal Science and Technology Bureau. The deputy general manager of the company first gave a welcome speech and expressed gratitude to the experts and leaders. Zhang Daimin, deputy director of the Science and Technology Department of Henan Province, made a request to the appraisal committee for this appraisal meeting and raised hopes for the project undertaker. At the meeting, the appraisal committee carefully listened to the technical summary report of the two projects, reviewed the relevant technical documents, and inspected the samples of the series.

The "Development of Superhard Abrasives for Precision Cutting of Key Parts in the Optical and Electronics Industry" project has developed nine types of high-precision ultra-thin and ultra-hard material cutting wheels. These products are characterized by ultra-thin thickness, high dimensional accuracy, good rigidity and high strength. They are mainly used for high-speed, high-efficiency and high-precision cutting of key parts in the optical and electronic industries. The cutting quality meets the requirements of the workpiece process and the grinding wheel. Indicators such as efficiency, durability and service life are close to or reach the level of similar foreign products.

The “Research on the Manufacturing Technology of Diamond Grinding Liquid for LED Substrate Processing” has developed a diamond polishing fluid product with independent intellectual property rights. It is used in the precision grinding process of the substrate substrate and the epitaxial wafer in the sapphire substrate precision grinding processing industry. The two processes of thin grinding, the indicators are close to or reach the level of similar foreign products.

After the appraisal, the committee believes that both projects have met the technical requirements required by the project declaration, completed the research content, overcome the related technical problems, improved the quality and performance of the products, improved the work efficiency, and can replace the imported similar products. The products, economic and social benefits are remarkable, the market prospect is broad, and the overall technical achievements are at the international advanced level.

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