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High-speed digital PCB with 18 layers on Panasonic M6 (R-5775) laminate. 4.0 mm finished thickness, 0.20 mm minimum drill at 20:1 aspect ratio. Double-sided back-drilling with stub < 0.08 mm. Differential impedance control ±7.5% (≤ 50 Ω) and ±5% (> 5
Panasonic MEGTRON6 R-5775 is a high-speed, low-loss multilayer laminate designed for next-generation RF and high-frequency digital applications. With a dielectric constant (Dk) of approximately 3.5 and a dissipation factor (Df) of 0.004 at 1 GHz, R-5