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PCB Laminates: Discovering Dielectric Constant (Dk)

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This post authored by John Coonrod, Technical Marketing Manager, and team originally appeared on the ROG Blog hosted by Microwave Journal. Dielectric constant (Dk) is one of the most important of circuit material parameters and a starting point for circuit designers. The dimensions of high-frequency circuit structures, including different types of transmission lines and the spacing between lines for proper…

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Rogers Corporation

For Millimeter-Wave Performance, Thinner Materials are Often Better

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Thin can be a good thing for high-frequency circuit laminate materials. As this ROG Blog detailed some years ago (see “Thinner Materials Help Target Higher Frequencies,” http://mwexpert.typepad.com/rog_blog/2010/11/thinner-materials-help-target-higher-frequencies.html), thinner printed-circuit-board (PCB) laminates offer many electrical benefits as well as mechanical advantages compared to thicker circuit materials, especially at higher frequencies reaching into millimeter-wave bands. For applications where…

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