.theta.-alumina powder, preparation thereof and magnetic recordi

Alkali-metal-&bgr;- and &bgr;″-alumina and gallate...

Alkali-metal-.beta.- and .beta."-alumina and gallate polycrystal

Alkali-metal-beta-and beta″-alumina and gallate...

Alumina porcelain compositions

Alumina sintered product

Alumina-based ceramic composition and substrate obtained by mean

Alumina-based ceramic for sintering, method of manufacture and s

Alumina-based sintered materials and process for producing the s

Aluminum oxide ceramics having improved mechanical properties

Aluminum oxide sintered body, and members using same for...

Aluminum-containing oxide and process for producing aluminum-con

Arc resistant insulator

Beta alumina sintered body and method of manufacturing the same

Blue colored artificial stone stocks and method of manufacturing

Boron subphosphide/aluminum oxide composite materials, processes

Ceramic envelope for high intensity discharge lamp and...

Conversion of polycrystalline alumina to single crystal...

Crystalline compositions of doped aluminum phosphate

Dielectric layers and memory cells including metal-doped...