In order to provide a black Al2O3 ceramic with good air sealing performance and good surface roughness, also easy to bond with the air seal glass.That material more and more use in IC( Integrated Circuit) ceramic packaging .
Advantages Of Black Al2O3 Ceramic :
● High lightproof performance with black and uniform color;
● High hardness，good wear resistance;
● Good heat resistance ;
● Good air sealing performance, dense microstructure;
● Can be formed by many methods, such as injection moulding, dry pressing cold isostatic pressing and gel-casting.
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