JPS6462773A - Wiring system for printed board - Google Patents

Abstract

PURPOSE:To eliminate the generation of a useless beer, and to contrive to shorten the wiring length, by checking an intersection state of a polygonal area and deriving an intersection area and the number of intersections, and using an intersection area train in which the sum of the number of intersection becomes the smallest as an area path for connecting two points. CONSTITUTION:In the shortest rectangular area A, an intersection area train for containing a wiring possible path extending from a land LA1 to a land LA2 therein, and the sum of the number of intersections in the intersection area train are derived. The intersection area train in which the sum of the number of intersections is the smallest is the intersection area train of A-1 A-6 A-7, and a wiring pattern for connecting the sections of the land LA1 and the land LA2 becomes such a shape as exists in an area A'. In this regard, when plural pieces of intersection area trains in which the sum of the number of intersections is the smallest exist, that of the smallest area among them is selected. In such a way, while evaluating the relative area intersection in the whole printed board or the divided block area, a path inference and a path determination can be executed, and a beer can be optimized.