I-beam design and stiffeners

I-BEAM DESIGN AND STIFFENERS

I-Beam constructions occur when the inductors on both layers lie directly on top of each other, increasing the stiffness of the circuit through fold areas.  A better alternative is stagger conductors, alternating their location to retain the maximum flexibility of the circuit.

STIFFENERS DESIGN REFERENCE

Stiffener and coverlay termination line should overlap a minimum of 12mil to avoid stress points.  Eliminating the stress points reduces the chance of traces breaking.

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