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What bonding material can be used to bond the PTFE substrates?

April 26, 2017Bond bonding material PTFE substrates Used

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What bonding material can be used to bond the PTFE substrates?

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Most PCB bonding material will adhere to the PTFE substrates. The determinant is whether the bonding layer is a concern for good electrical performance. If the bonding layer is not electrically important then standard FR4 prepregs can be used. If it is electrically important, then the RO4450 prepregs can be used. If even better electrical performance is needed, then 3001 Bonding Film or FEP could be used.