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Fine Lines & Spacing
Controlled Impedance
Heavy Copper
PTFE / Hybrid
Cavity Boards
Internal Cavities
Thermal Management
Blind / Buried Vias
Edge Plating
Metal Core
Internal Cavities


Internal Cavity PCBs require an intentional void among internal layers so that a specific area is not in contact with prepreg. Internal Cavity issues include registration, bleed outs and shallow cavities.


Applications that require portion of inner layer to be open for component assembly and air retention span a wide range of industries to include: Microwave; (Military) Telecommunications; and Natural Gas Detection.

Internal Cavity (click on image to proceed)
Mouse over pictures below to see description