ROGERS CORP. RO4835 high frequency laminates are specially formulated with improved oxidation resistance, developed for applications needing a special level of electrical stability over time and temperature, while maintaining the cost advantages of a thermoset, FR-4 processable material. Products provide a dielectric constant of 3.48 at 10GHz, a low loss tangent of 0.0037 at 10GHz and a low z-axis coefficient of thermal expansion (CTE) for excellent plated-through-hole (PTH) reliability under a variety of processing and operating conditions. These improved oxidation resistance circuit materials exhibit x- and y-axis expansion coefficients similar to that of copper.
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