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Aluminum nitride is a ceramic material with high melting point, hardness, and thermal conductivity, as well as good thermal stability and corrosion resistance. Its crystal structure is hexagonal, thus requiring high temperatures and pressures in the preparation process. Due to these excellent properties, aluminum nitride has been widely used in high-temperature electronic devices, thermal conductivity materials, and other fields.

Nanometer powder, in recent years, has become an essential material in various fields, including electronic devices, biomedical science, and energy storage systems. To characterize the unique structure and properties of nanometer powders, scanning electron microscopy (SEM) has become an invaluable tool. However, preparing nanometer powders for SEM imaging is non-trivial and requires special attention to avoid data distortion caused by preparation artefacts. In this article, we will discuss the methods for preparing nanometer powders for SEM imaging and demonstrate how SAT NANO's products and services can simplify the preparation process.

The 14th Shenzhen International Thermally Conductive Materials and Equipment Exhibition, also known as CIME2025, is set to take place on June 4-6, 2025, at the Shenzhen International Convention and Exhibition Center. With an expansive exhibition area of 20,000 square meters, the event is expected to host 500 exhibitors, 30 academic presentations, and attract approximately 30,000 professional visitors. CIME, originating in Shenzhen in 2013, has evolved over the past decade into a prestigious industry event in the field of thermal management and thermally conductive materials, now hosting exhibitions in Shenzhen in June and in Shanghai in December.

Nanosized aluminium powder is an innovative wonder material that has various unique properties that make it useful for many industrial applications. Its enhanced mechanical, thermal and catalytic properties offer opportunities to develop new materials and products with better performance. The synthesis of nanosized aluminium powder is now a developing field of research and promises bright prospects for the future.

Silver coated copper technology is a composite metal material technology, and its core product silver coated copper powder is composed of copper in the core and silver shell covering its surface. A typical silver layer thickness is between 50-200 nanometers, with a silver content (mass ratio) of 5% -30%. In this structure, the copper core plays a role in providing low cost and high conductivity, while the silver shell is crucial in ensuring that the particles resist oxidation during processes such as pulping and printing, while forming good ohmic contact with the battery silicon wafer or TCO film. After sintering, the silver shell acts as a conductive medium, ensuring low contact resistance and reliable adhesion of the electrode, while the copper core reduces material costs while endowing the slurry with certain mechanical strength and thermal stability.

Nanoparticle transmission electron microscopy (TEM) is an important microscopy technique widely used to observe and characterize the structure and morphology of nanoscale particles and materials.