METHOD FOR SELECTING MASK MAKER

摘要

PURPOSE: To select a mask maker that manufactures a low-priced photomask. CONSTITUTION: The selecting method includes: a step (S104) of receiving 100% drawing area data and unit-price data from a mask mater computer; a step (S110) of extracting a 100% code meeting a condition according to the 100% area data when data are received from more than a predetermined number of mask maker computers (YES at S108); a step (S112) of calculating a drawing area rate according to the 100% drawing area of the extracted 100% code and the drawing area of drawing area data; a step (S114) of calculating a unit price from the drawing area rate according to the unit-price data and drawing area rate; and a step (S116 ) of determining a mask maker as an ordering destination according to the calculated unit price.