A product with high precision flatness and parallelism which is obtained by plane grinding after bonding and curing with special glue by microporous ceramics with specific pore diameter and porosity and base containing gas groove (dense ceramics, metal, Peek, etc.) ; 

        Widely used in semiconductor (wafer and wafer thinning, scribing, gluing, cleaning, testing) , display panel (glass, flexible screen) , screen printing and vacuum adsorption platform and fixture on machine tools.