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20 mil RO4003C PCB
20 mil RO4003C PCB
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  • What is High Frequency PCB?
    • 2020.07.18
    What is High Frequency PCB?

    What is High Frequency PCB? Just as its name implies, high frequency is that the frequency is relatively high, generally refers to the frequency of >=300 MHz (i.e. wave length <=1m), that is, the usual radio frequency band. The electromagnetic wave of frequency >=1GHz is called microwave. Typical frequencies for wireless applications: * Current mobile: 0.9GHz - 2GHz * 3G systems: 2.5GHz *...

  • How to Distinguish the Step (Stack-up) of HDI PCB?
    • 2021.08.21
    How to Distinguish the Step (Stack-up) of HDI PCB?

    How to Distinguish the Step (Stack-up) of HDI PCB? Tag#Stacked via Staggered via HDI | PCB 1+N+1 HDI PCB | 2+N+2 HDI PCB HDI stands for high density interconnection. It contains non-mechanical drilling, the ring of microvias and blind via below 6 mil, internal and external layers of track width, track gap below 4 mil, pad diameter is not more than 0.35 mm. We call this kind of multi-layer PCB...

  • Megtron6 (M6) Panasonic, High Speed Low Loss Muti-layer PCB materials Arrives.
    • 2021-10-27
    Megtron6 (M6) Panasonic, High Speed Low Loss Muti-layer PCB materials Arrives.

    Megtron6 (M6) Panasonic, High Speed Low Loss Muti-layer PCB materials Arrives. After the delivery of several groups of high-level (18L/16L/14L) back drilling PCB boards last month, we received customer’s higher requirement on this kind of circuit board this month. We’re requested to changes the interior space from the original 6mils to 5.8mils,5 groups back drilling to 8 groups for the 18-Layer bo...

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