Spread weave induced skew minimization
AssigneeCiena Corporation
InventorsRobert Bisson, Marko Antonic
Life of this patent
Estimating the term…
Abstract
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.
Claims20
A printed circuit board comprising:
- 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
- a 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.
A printed circuit board formed by a process comprising the steps of:
- obtaining 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
- routing a one or more pairs of traces on the spread weave of fibers according to a routing design, wherein the first direction has less differences in dielectric permittivity seen by each trace than the second direction,
- wherein the routing design 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.
A method comprising:
- obtaining 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
- routing a one or more pairs of traces on the spread weave of fibers according to a routing design, wherein the first direction has less differences in dielectric permittivity seen by each trace than the second direction,
- wherein the routing design 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.
Dependencies are inferred from the claim text.