| http://www.w3.org/ns/prov#value | - It is proved from comparison between FIGS. 1 and 2 and FIG. 4 and comparison between FIG. 3 and FIG. 5 that the ceramic composite material of the present invention is a novel composite material consisting of single crystal ??-Al2 O3 and single crystal YAG, different from the composite material disclosed by Mr. Parthasarathy et al.
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