MB54609
s EVALUATION BOARD (Reference Example)
• Material: BT resin BT-HL870 (Dielectric constant [1 MHz] = 3.4 to 3.6)
• Thickness: 4 layers, 1.6 mm (Copper thickness: External layer = 18 µm, Internal layer = 70 µm)
• Plating: electroless gold plating
• Layer 1
(front surface)
1
• Layer 2
(Continued)
6