Classification of soft PCB, is divided into four main classes (3)

- Oct 25, 2016 -

Flexible PCB are usually classified according to conductor layer and structure follows:

3. multi-layer flexible PCB

Flexible multilayer PCB as rigid multilayer PCB, with laminated multilayer technology, multilayer soft PCB. The simplest multi-layer soft in single-sided PCB PCB is coated with two layers of copper shielded layer on both sides and the formation of three-layer soft PCB. This three-layer soft PCB in electrical properties equivalent to coaxial wires or shielded wire. Most commonly used multi-layer flexible PCB structure is a four-layer structure with metallized holes to achieve interconnection between layers, the middle two layers are usually power and ground layer.

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