Ciena Corporation

Marko Antonic

Robert Bisson

A printed circuit board includes a spread weave of fibers having a first direction and a second direction with corresponding fibers spread more in the first direction than the second direction; and one or more pairs of traces on the spread weave of fibers, wherein the first direction has less differences in dielectric permittivity seen by each trace than the second direction, wherein the one or more pairs of traces are routed according to a routing design that includes one or more fixed regions on the spread weave of fibers, where routing of traces therein is restricted to linear, non-angled routed in the first direction.

Spread weave induced skew minimization

A method of manufacturing a printed circuit board (PCB) includes determining a weft direction of the PCB, and defining a routing design of differential pairs. The routing design is designed to have a fixed region in the weft direction. The method further includes manufacturing the PCB according to the routing design.

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Kanata, Canada

Marko Antonic