Rigid-Flex Bend-Radius & Endurance Calculator

PCBark’s 10-6-3 capability vs the IPC-2223 layer-count minimum — designed to the stricter rule.

Flex stack thickness (mm)

Flex usage

Flex construction (for IPC-2223 minimum)

Copper type

recommended minimum inside bend radius (stricter of PCBark & IPC-2223)

PCBark 10-6-3 capability

IPC-2223 minimum

Flex endurance class

Copper recommendation

Educational estimate. PCBark validates every dynamic build with flex-endurance testing per IPC-TM-650 Method 2.4.3. Confirm your stack at DFM.