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Single Sided Flexible PCB

After the completion of the circuit, the single-sided PI-clad material is covered with a protective film to form a flexible fpc with only a single layer of conductor.

Structure of Single-layer FPC
The flexible pcb of this structure is the flexible pcb of the simplest structure. Usually the substrate + transparent plastic + copper foil is a set of purchased raw materials, protective film + transparent plastic is another raw material bought. First, the copper foil is subjected to etching or the like to obtain a desired circuit, and the protective film is drilled to expose the corresponding pad. After cleaning, the two are combined by rolling. Then, gold or tin is plated on the exposed pad portion for protection. In this way, the big pcb will be ready. It is also generally stamped into small pcbs of corresponding shapes. There is also a solder resist layer printed on the copper foil without using a protective film, so that the cost is lower, but the mechanical strength of the circuit board is deteriorated. Unless the strength requirements are not high but the price needs to be as low as possible, it is best to apply a protective film.

Single Sided Flexible PCB Characteristics

  • Because it is thin, it can be bent freely, making efficient use of assembly space.
  • Excellent repeatability, saving wiring space in the working area
  • Good follow-up to the bumps

Welcome to custom Single Sided Printed Circuit Board directly from Shenzhen PCB Manufacturer at low cost.

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