High Purity Black Color Aluminum Oxide Ceramic Disc
We produce black color Alumina Ceramic Disc with high purity.
As a special ceramic packaging materials, black alumina ceramic's density is smaller than the general metal packaging material and better hermeticity than plastic packaging materials. In the requirements of electronic packaging with high reliability, hermeticity and heat shock performance, black alumina ceramic has advantages other kinds of packaging materials can not replace.
As semiconductor integrated circuits often have obvious photosensitivity, alumina used for digital tube liner is also required to be black to ensure that the digital display is clear, and the special ceramic material used for encapsulating the tube shell should be required to have light shielding. Therefore, the black color cermic meets the requirement of some electronic products to avoid light.