Flexible Circuit Board with Reinforcement Ribs

Stiffeners are an important and common requirement for both flex boards and rigid flex printed circuit boards. They increase the durability and reliability in a variety of applications.

The stiffeners are also mechanically functional and do not affect the electrical requirements for the whole part. Multiple laminations are required if stiffeners are needed on both sides of a bend. This can lead to increased cost and lead times. There are some situations in which stiffeners may be necessary.

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