| 摘要 |
PURPOSE:To enable the automatic enlargement of the wiring width by a method wherein a memory incorporating a net table region, a connecting information region, and a wire width enlargement program region, and a wire width enlargement information table region is controlled by a microprocessor, and the wiring width at a desired position of a wiring provided on a printed substrate is enlarged in plane or in three dimensions by these regions. CONSTITUTION:The four regions 5-8 are provided in the memory 2. The region 5 of these is the net table of each net combined with lines, and the region 6 is a region in which the classification of pattern such as a forbidden region, a wide band pattern region, a line, and a land and their co-ordinates, the shape of the land, the line width, the minimum interval, and the like are stored. The region 7 is a region allowed to have wire width enlargement programs, and the region 8 is a region determining whether or not the wire width is enlarged in every net. Constructed in such a manner, the memory 2 is controlled by the microprocessor 1, the control thereof being instructed through a keyboard, and the result of enlargement is indicated by a display 3. |
