Mr. McEntire was vice president of manufacturing and research development for the company prior to his appointment. His previous positions include senior director of supply chain management and applied materials in Silicon Valley and leadership positions for a joint venture between Norton Company and TRW.

He is a fellow of the American Ceramic Society. In his new role, Mr. McEntire will more fully align the company's development and commercialization efforts to maximize return on investment from its silicon nitride projects.

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