99.9% High-Purity Porous Alumina Ceramic Vacuum Chuck
This 99.9% Alumina Vacuum Chuck is manufactured using 99.9% ultra-high-purity alumina (Al₂O₃) precision ceramic material, processed via high-temperature sintering and precision machining; it is specifically designed for the semiconductor, optoelectronics, and precision manufacturing sectors. It combines high rigidity, a low coefficient of thermal expansion, superior flatness, and a uniform microporous structure, enabling stable, non-damaging, and contamination-free vacuum clamping of precision workpieces such as wafers, silicon substrates, and glass panels.
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