SAN JOSE, Calif., Feb. 9 -- SEMI announced that Lubab L. Sheet has been named senior director of nanotechnology and will spearhead expanded efforts to pursue new technology and market opportunities for the organization's global membership. Together with the launch of a comprehensive market study, a global executive conference and standards development activities, the new appointment reaffirms SEMI's increasing emphasis on nanotechnology-related information, public policy, services and events, the association said. 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