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Ultra-hard tools play an important role in automobile, aerospace, energy, military and mechanical fields.

The research and development of PCD marks a new stage in the application of superhard materials.

With the continuous improvement of film final properties and the development of co-extrusion technology, multi-layer structure films have become a common design.

TSP diamond is characterized by its application in petroleum drilling, geological exploration and small diameter polycrystalline bit.

Diamond has high thermal conductivity, excellent insulation performance and low dielectric constant, which are the basic requirements of electronic packaging materials.

(1) Chemical modificationWhen a diamond is treated with an oxidizing acid solution (such as nitric acid, chromic acid, Fenton reagent, etc.), impurities (graphite and metal) on the surface of the diam...