Texas Instruments Inc expects its return on assets to remain in the 8% to 10% range; the figure reached 8.6% in the first quarter, up from 8.1% in the 1993 year: vice-chairman Pat Weber told the conference the company sees the semiconductor market growing 21% this year, contributing factors being high end-equipment demand, industrial inventories near a record low and production capacity that hasn’t been added too quickly; a recovery in Japan could help provide momentum.