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RF PCB with ro4350b+fr4
Rogers material + FR4 high TG with blind vias PCB Stackup.
Storm Circuit can make such hybrid stackup PCB.
This is a 6 layer PCB ,Blind vias from L1-l2.
Below is the 3D image to show the control depth slot.
Material:Rogers material RO4350B+FR4 (TG170)
Surface finish:Immersion Gold
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