Patents Represented by Attorney Eugene Liberstein

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  • Interface coating for ceramic fibers
    Patent number: 5593728
    Abstract: An improved interface coating for a fibrous material composed of a silicon-containing boron nitride having the general composition BSi.sub.x N.sub.1+1.33x, and containing from 2 wt % to 42 wt % of silicon, with substantially no free silicon present. The coating is formed by CVD using reactant vapors of ammonia and a gaseous source of both boron and silicon which flow into the furnace chamber at a controlled flow ratio to nitride the deposit to form the complex coating.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: January 14, 1997
    Assignee: Advanced Ceramics Corporation
    Inventors: Arthur W. Moore, Michael Dowell