Definition
Preventing specific areas of the inner layers from contact with the prepreg requires circuit boards to have internal cavities, which are an intentional void in specific areas of the inner layer.

Applications & Industries Served
Applications that require a portion of the inner layer to be open for component assembly and air retention. We serve the following industries: RFMW, Military, Telecom and Natural Gas Detection.

Common Issues
Registration, bonding material bleed-outs into cavity and shallow cavity routing.
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Sample Boards  

Internal Cavity PTFE Hybrid Board
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