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RT/duroid® 5880LZ Laminates

January 17, 2011
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RTduroid5880LZRT/duroid® 5880LZ materials have the lowest Dk for a copper clad laminate available in the market today. Because of its low dielectric constant of 1.96 at 10 GHz, RT/duroid 5880LZ supports broadband applications at the microwave through millimeter-wave frequencies where dispersion and circuit losses must be minimized. It is a lightweight, PTFE-based composite optimized with a unique filler that provides very low density (1.37 gm/cm3) and a low coefficient of thermal expansion (CTE) in the Z-axis. This makes 5880LZ well suited for fabricating high-frequency circuits with plated-through holes (PTH) and allows higher vehicle payloads. In addition, the dielectric constant is uniform from panel-topanel and constant over a wide frequency range, with a low Z-axis TCDk of +22 ppm/°C. Its low dissipation factor extends the usefulness of RT/duroid 5880LZ to Ku-band and above.

Rogers’ 5880LZ laminate materials are made using the same high quality, reliable materials and processes that Rogers pioneered and that enable Rogers to win top awards from the largest manufacturers and fabricators of high frequency materials in the world.

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