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Aluminium is a chemical element with the symbol Al and atomic number 13. It is a silvery-white, soft, non-magnetic and ductile metal in the boron group. Aluminium is remarkable for its low density and its ability to resist corrosion through the phenomenon of passivation. Aluminium and its alloys are vital to the aerospace industry and important in transportation and building industries, such as building facades and window frames.3N8-4N8 pure aluminum is used for rolling electrolytic capacitor aluminum foil, lighting fixtures and data storage. 5N-6N ultra-pure aluminum is used in the manufacture of semiconductor devices, fabrication of optoelectronic storage media, superconducting cable stabilization materials, and space shuttle scientific research.
The picture below are two micrographs of our aluminum sputtering target, the average grain size＜300μm.