Alumina has high electrical insulation properties, is relatively inexpensive considering its wear resistance and chemical stability, and is a representative material of fine ceramics.
At Asuzac, we offer a variety of high-purity, high-performance grades of alumina ceramics. We also sell alumina plates online. (http://www.asuzac-ceramics.jp/shop/shopenter.htm) Alumina is used in internal components of chambers in semiconductor manufacturing equipment and liquid crystal manufacturing equipment, as well as in transport arms. Due to its high electrical insulation properties (1015Ωcm), alumina serves as an insulating component within the chamber. The transport arms can be made thinner because alumina has higher bending strength compared to metals and resins, making warping less likely. How about using it this way? → We can provide large alumina products (including those over 3 meters) and hollow ceramics (tunnel shapes without adhesives), making it suitable for large ceramics in semiconductor Φ450 wafer manufacturing equipment and liquid crystal G10 glass substrate manufacturing equipment.
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Among alumina (Al2O3), Asuzak offers four standard grades [AR-99.6, ARW, ARK, AR-4N] and one special alumina grade [AR(B)]. Below are the characteristics and details of each, so please choose according to your application. ◆ AR-99.6 is an alumina with various excellent mechanical, thermal, electrical, magnetic, and chemical properties among fine ceramics. It is the most versatile grade with an alumina purity of over 99.6%. ◆ ARW / ARK are thin alumina products made using the doctor blade method. They are white in color and have a proven track record in applications such as alumina substrates and dummy wafers. ARW has a purity of 99.6%, while ARK has a purity of 96%. This grade can produce thin products with a thickness of about 1 to 2 t at a low cost. ◆ AR-4N is a grade that reduces the alkali metals contained in the bauxite raw material and minimizes heavy metals. ◆ AR(B) Black Alumina is a material that maintains the mechanical properties of alumina while having a low reflectivity. It can suppress surface reflection while maintaining the strength and durability of fine ceramics.
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Semiconductor device parts Parts for liquid crystal devices Furnace materials Robot handling arms
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Company information
At Asuzac Co., Ltd., Fine Ceramics Division, ● We can manufacture top-class large alumina plates. ◇ We can handle everything from material sales to processing into desired shapes for alumina plates exceeding 3 meters in length! ● With top-level processing technology, we can produce silicon carbide (SiC) in a short delivery time. ◇ We also offer high-purity products and can handle mass production. We are particularly skilled in plate shapes! ● We can accommodate small lots and single items as well. ◇ We also provide VE and VA proposals! We are engaged in the development, manufacturing, processing, and sales of fine ceramics (various ceramics such as alumina, silicon carbide SiC, zirconia, low thermal conductivity ceramic Alusima, black alumina, porous alumina, etc.). For more information, please visit our corporate website (http://www.asuzac-ceramics.jp/).
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