| abstract |
Non-magnetic ceramics for recording/reproducing heads comprising an alumina and any one of a compound selected from silicon carbide, boron carbide, zirconium carbide, titanium oxide, aluminum boride or zirconium boride, said ceramics having a Young's modulus of not smaller than 370 Gpa and a surface coarseness Ra after milling of not larger than 100 nm, and a method of producing the same. |