CHIBA, Japan, Dec. 4 -- The world's leading manufacturers of semiconductor equipment expect sales to increase this year to $21.4 billion, more than eight percent above the $19.8 billion in sales posted in 2002, according to the year-end edition of the SEMI Capital Equipment Consensus Forecast, released here this week at the annual SEMICON Japan exposition. SEMI is an industry association for companies that develop manufacturing technology and materials to the global semiconductor, flat-panel display, microelectromechanical systems (MEMS) and other microelectronics industries. 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