Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2006-05-09
2006-05-09
Arbes, Carl J. (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S402010, C029S825000, C029S847000, C029S850000
Reexamination Certificate
active
07040013
ABSTRACT:
A method, system, and product for routing nets along a printed circuit board through an obstacle field and a circuit board having traces produced in accordance with the routed nets is disclosed. The nets are routed by identifying a general path for each of a pair of nets between adjacent rows of obstacles within an obstacle field, selectively lengthening at least one of the nets by shifting at least one portion of the net toward a position between adjacent pads in one of the rows, thereby increasing the length of the net, and selectively increasing the mean spacing between the pair of nets by shifting at least one portion of at least one net of the pair away from the other net of the pair toward a position between adjacent pads in one of the rows, thereby reducing cross-talk between the nets.
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Fix Robert
Jochym Daniel A.
Shenberger Christian E.
Arbes Carl J.
RatnerPrestia
Rode Lise A.
Starr Mark T.
Unisys Corporation
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