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Prepregs, laminates, printed wiring board structures and processes for constructing materials and printed wiring boards that enable the construction of printed wiring boards with improved thermal properties. In one embodiment, the prepregs include substrates impregnated with electrically and thermal

Prepregs, laminates, printed wiring board structures and processes for constructing materials and printed wiring boards that enable the construction of printed wiring boards with improved thermal properties. In one embodiment, the prepregs include substrates impregnated with electrically and thermally conductive resins. In other embodiments, the prepregs have substrate materials that include carbon. In other embodiments, the prepregs include substrates impregnated with thermally conductive resins. In other embodiments, the printed wiring board structures include electrically and thermally conductive laminates that can act as ground and/or power planes.

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What is claimed is: 1. A laminate, comprising: a substrate including a non-metallized carbon fiber material; a first layer of electrically conductive material directly contacting the substrate and in direct electrical contact with the non-metallized carbon fiber material; and a second layer of elec

What is claimed is: 1. A laminate, comprising: a substrate including a non-metallized carbon fiber material; a first layer of electrically conductive material directly contacting the substrate and in direct electrical contact with the non-metallized carbon fiber material; and a second layer of electrically conductive material directly contacting the substrate and in direct electrical contact with the non-metallized carbon fiber material; wherein the substrate, the first layer of electrically conductive material and the second layer of electrically conductive material are held together by resin. 2. The laminate of claim 1, wherein the resin has a thermal conductivity in excess of 1.25 W/m·K. 3. The laminate of claim 2, wherein the resin has a thermal conductivity in excess of 2.5 W/m·K. 4. The laminate of claim 1, wherein the resin is electrically conductive. 5. The laminate of claim 4, wherein the resin has a dielectric constant greater than 6.0 at 1 MHz. 6. The laminate of claim 1, wherein the resin is an epoxy based resin.