On 16 Oct 95 at 15:22, [log in to unmask] <[log in to unmask]> wrote: > 1.) Circuit Routing Programs: > I have seen several designs where traces are routed at the minimum > spacing, between two pads, when they could be routed differently to > optimize spacing. These are typically designs with multiple traces > running between pads. It appears the design algorithm will not > automatically jog a single or multiple lines to maximize the spacing. > Do effective, reliable, high quality programs exist that could > maximize these types of designs? Does the design community support > these programs, assuming they exist? You can guarantee I would notify > the customer and let them review any changes prior to making > implementing any changes. Cooper & Chyan's Specctra Router has a DFM utility called "spread" that can reposition previously routed traces according to defined clearance values.